Quiet & low-power servers
Estimated idle noise and power draw for 244 used-server platforms, so you can find one quiet and efficient enough to live in a home or office, not just a datacenter. Sorted quietest and lowest-power first (60 land in the whisper/quiet tiers). Annual cost assumes 24/7 at ~12¢/kWh.
| Model | Idle noise | Idle power | ~Power cost | Fan control | Form factor | Typical price | Listings |
|---|---|---|---|---|---|---|---|
| Intel NUC8i5BEH · Coffee Lake-U | Whisper (<35 dB) | 6 W | $6/yr | — | mini | ~$137 asking | 4 live → |
| Beelink SER5 · Ryzen 5000U | Whisper (<35 dB) | 8 W | $8/yr | — | mini | ~$510 asking | 27 live → |
| Dell 3040 Micro · Skylake | Whisper (<35 dB) | 9 W | $9/yr | — | mini | ~$78 asking | 17 live → |
| Dell 3050 Micro · Kaby Lake | Whisper (<35 dB) | 9 W | $9/yr | — | mini | ~$85 asking | 20 live → |
| Dell 3060 Micro · Coffee Lake | Whisper (<35 dB) | 9 W | $9/yr | — | mini | ~$135 asking | 36 live → |
| Dell 3070 Micro · Coffee Lake R | Whisper (<35 dB) | 9 W | $9/yr | — | mini | ~$135 asking | 29 live → |
| Dell 7050 Micro · Kaby Lake | Whisper (<35 dB) | 9 W | $9/yr | — | mini | ~$105 asking | 32 live → |
| Dell 7060 Micro · Coffee Lake | Whisper (<35 dB) | 9 W | $9/yr | — | mini | ~$199 asking | 23 live → |
| Dell 7070 Micro · Coffee Lake R | Whisper (<35 dB) | 9 W | $9/yr | — | mini | ~$213 asking | 34 live → |
| Dell 7080 Micro · Comet Lake | Whisper (<35 dB) | 9 W | $9/yr | — | mini | ~$229 asking | 19 live → |
| HP 800 G2 Mini · Skylake | Whisper (<35 dB) | 9 W | $9/yr | — | mini | ~$120 asking | 20 live → |
| HP 800 G3 Mini · Kaby Lake | Whisper (<35 dB) | 9 W | $9/yr | — | mini | ~$95 asking | 38 live → |
| HP 800 G4 Mini · Coffee Lake | Whisper (<35 dB) | 9 W | $9/yr | — | mini | ~$140 asking | 24 live → |
| HP 800 G5 Mini · Coffee Lake-R | Whisper (<35 dB) | 9 W | $9/yr | — | mini | ~$180 asking | 29 live → |
| Lenovo M700 · Skylake | Whisper (<35 dB) | 9 W | $9/yr | — | mini | ~$139 asking | 24 live → |
| Lenovo M710q · Kaby Lake | Whisper (<35 dB) | 9 W | $9/yr | — | mini | ~$105 asking | 41 live → |
| Lenovo M910q · Kaby Lake | Whisper (<35 dB) | 9 W | $9/yr | — | mini | ~$130 asking | 22 live → |
| Dell 3080 Micro · Comet Lake | Whisper (<35 dB) | 10 W | $11/yr | — | mini | ~$192 asking | 22 live → |
| HP 800 G6 Mini · Comet Lake | Whisper (<35 dB) | 10 W | $11/yr | — | mini | ~$278 asking | 44 live → |
| Lenovo M70q · Comet Lake | Whisper (<35 dB) | 10 W | $11/yr | — | mini | ~$380 asking | 45 live → |
| Lenovo M715q · Raven Ridge | Whisper (<35 dB) | 10 W | $11/yr | — | mini | ~$120 asking | 23 live → |
| Lenovo M720q · Coffee Lake | Whisper (<35 dB) | 10 W | $11/yr | — | mini | ~$195 asking | 13 live → |
| Lenovo M73 · Haswell | Whisper (<35 dB) | 10 W | $11/yr | — | mini | ~$63 asking | 24 live → |
| Lenovo M75q · Zen2 (Renoir) | Whisper (<35 dB) | 10 W | $11/yr | — | mini | ~$290 asking | 22 live → |
| Lenovo M90q · Comet Lake | Whisper (<35 dB) | 10 W | $11/yr | — | mini | ~$500 asking | 26 live → |
| Lenovo M920q · Coffee Lake | Whisper (<35 dB) | 10 W | $11/yr | — | mini | $219 sold | 14 live → |
| Dell 7090 Micro · Rocket Lake | Whisper (<35 dB) | 11 W | $12/yr | — | mini | ~$278 asking | 19 live → |
| Dell T30 · G13 | Whisper (<35 dB) | 20 W | $21/yr | good | tower | $330 sold | none |
| Dell T130 · G13 | Whisper (<35 dB)✓ 22 dBA sourced | 25 W | $26/yr | good | tower | $136 sold | none |
| Dell T340 · G14 | Whisper (<35 dB) | 35 W | $37/yr | good | tower | $413 sold | 1 live → |
| Dell T160 · G16 | Whisper (<35 dB) | 40 W | $42/yr | good | tower | $3,369 sold | 1 live → |
| Dell T360 · G16 | Whisper (<35 dB) | 45 W | $47/yr | good | tower | $3,199 sold | none |
| Lenovo ST250 · V1 | Whisper (<35 dB) | 45 W | $47/yr | good | tower | ~$750 asking | 4 live → |
| Dell T330 · G13 | Whisper (<35 dB)✓ 19 dBA sourced | 55 W | $58/yr | fair | tower | $145 sold | none |
| Dell T320 · G12 | Whisper (<35 dB) | 65 W | $68/yr | fair | tower | $178 sold | none |
| HP DL20 Gen9 · Gen9 | Quiet (35–45 dB) | 25 W | $26/yr | fair | 1U rack | $68 sold | none |
| HP ML30 · Gen9 | Quiet (35–45 dB) | 35 W | $37/yr | good | tower | $177 sold | 2 live → |
| Dell T420 · G12 | Quiet (35–45 dB) | 60 W | $63/yr | good | tower | $175 sold | 1 live → |
| Dell T430 · G13 | Quiet (35–45 dB)✓ 28 dBA sourced | 65 W | $68/yr | good | tower | $426 sold | 2 live → |
| HP ML350 Gen10 · Gen10 | Quiet (35–45 dB) | 65 W | $68/yr | good | tower | ~$2,060 asking | 13 live → |
| Dell T440 · G14 | Quiet (35–45 dB) | 80 W | $84/yr | good | tower | $1,370 sold | 2 live → |
| HP ML350 Gen9 · Gen9 | Quiet (35–45 dB) | 90 W | $95/yr | good | tower | ~$610 asking | 3 live → |
| Cisco C220 M6 · M6 | Quiet (35–45 dB) | 110 W | $116/yr | excellent | 1U rack | ~$6,638 asking | 4 live → |
| Dell R650 · G15 | Quiet (35–45 dB) | 110 W | $116/yr | excellent | 1U rack | ~$10,109 asking | 6 live → |
| Lenovo SR630 V2 · V2 | Quiet (35–45 dB) | 110 W | $116/yr | excellent | 1U rack | ~$4,639 asking | 4 live → |
| Dell R660 · G16 | Quiet (35–45 dB) | 120 W | $126/yr | excellent | 1U rack | $29 sold | none |
| Dell T640 · G14 | Quiet (35–45 dB) | 120 W | $126/yr | good | tower | ~$1,400 asking | 1 live → |
| HP DL360 Gen11 · Gen11 | Quiet (35–45 dB) | 120 W | $126/yr | excellent | 1U rack | $5,267 sold | none |
| Lenovo SR630 V3 · V3 | Quiet (35–45 dB) | 120 W | $126/yr | excellent | 1U rack | ~$10,056 asking | 4 live → |
| Lenovo ST650 V2 · V2 | Quiet (35–45 dB) | 120 W | $126/yr | good | tower | ~$650 asking | 2 live → |
| Dell R7515 · G14 | Quiet (35–45 dB) | 130 W | $137/yr | good | 2U rack | $1,906 sold | 1 live → |
| Dell R7525 · G14 | Quiet (35–45 dB) | 130 W | $137/yr | good | 2U rack | $191 sold | 1 live → |
| Cisco C240 M6 · M6 | Quiet (35–45 dB) | 140 W | $147/yr | excellent | 2U rack | — | none |
| Dell R750 · G15 | Quiet (35–45 dB) | 140 W | $147/yr | excellent | 2U rack | ~$16,774 asking | 2 live → |
| Dell R750xs · G15 | Quiet (35–45 dB) | 140 W | $147/yr | excellent | 1U rack | $3,825 sold | none |
| HP DL385 Gen10 Plus · Gen10+ | Quiet (35–45 dB) | 140 W | $147/yr | good | 2U rack | — | none |
| Lenovo SR650 V2 · V2 | Quiet (35–45 dB) | 140 W | $147/yr | excellent | 2U rack | ~$6,274 asking | 3 live → |
| Dell R760 · G16 | Quiet (35–45 dB) | 150 W | $158/yr | excellent | 2U rack | $17,493 sold | none |
| HP DL380 Gen11 · Gen11 | Quiet (35–45 dB) | 150 W | $158/yr | excellent | 2U rack | $495 sold | 1 live → |
| Lenovo SR650 V3 · V3 | Quiet (35–45 dB) | 150 W | $158/yr | excellent | 2U rack | ~$5,589 asking | 3 live → |
| Dell R230 · G13 | Moderate (45–55 dB)✓ 25 dBA sourced | 25 W | $26/yr | fair | 1U rack | $302 sold | 1 live → |
| HP DL20 Gen10 · Gen10 | Moderate (45–55 dB) | 25 W | $26/yr | fair | 1U rack | ~$550 asking | 2 live → |
| Dell R260 · G16 | Moderate (45–55 dB) | 30 W | $32/yr | good | 1U rack | $3,924 sold | none |
| Supermicro X10SLH-N6-ST031 · X10 | Moderate (45–55 dB) | 30 W | $32/yr | good | 1U rack | $439 sold | 19 live → |
| Dell R330 · G13 | Moderate (45–55 dB)✓ 33 dBA sourced | 35 W | $37/yr | fair | 1U rack | $348 sold | 1 live → |
| Lenovo SR250 · V1 | Moderate (45–55 dB) | 40 W | $42/yr | fair | 1U rack | ~$949 asking | 13 live → |
| Dell R350 · G15 | Moderate (45–55 dB) | 45 W | $47/yr | good | 1U rack | $87 sold | none |
| Supermicro X8SIE-LN4F | Moderate (45–55 dB) | 45 W | $47/yr | fair | 1U rack | ~$255 asking | 2 live → |
| Cisco C220 M4 · M4 | Moderate (45–55 dB) | 70 W | $74/yr | good | 1U rack | ~$250 asking | 51 live → |
| Dell R630 · G13 | Moderate (45–55 dB)✓ 25 dBA sourced | 70 W | $74/yr | good | 1U rack | $1,111 sold | 596 live → |
| HP DL360 Gen9 · Gen9 | Moderate (45–55 dB) | 70 W | $74/yr | good | 1U rack | $259 sold | 268 live → |
| Lenovo x3550 M5 · M5 | Moderate (45–55 dB) | 70 W | $74/yr | good | 1U rack | $20 sold | none |
| Supermicro H11SSL-I · H11 | Moderate (45–55 dB) | 70 W | $74/yr | good | 1U rack | $523 sold | none |
| Dell R540 · G14 | Moderate (45–55 dB) | 75 W | $79/yr | good | 2U rack | $1,471 sold | 9 live → |
| Lenovo SR530 · V1 | Moderate (45–55 dB) | 75 W | $79/yr | good | 1U rack | ~$330 asking | 7 live → |
| Dell R530 · G13 | Moderate (45–55 dB)✓ 33 dBA sourced | 80 W | $84/yr | fair | 2U rack | $405 sold | 2 live → |
| HP DL180 Gen9 · Gen9 | Moderate (45–55 dB) | 80 W | $84/yr | good | 2U rack | $201 sold | 4 live → |
| Lenovo SR655 · V1 | Moderate (45–55 dB) | 80 W | $84/yr | good | 1U rack | ~$2,225 asking | 2 live → |
| Cisco C220 M5 · M5 | Moderate (45–55 dB) | 90 W | $95/yr | good | 1U rack | $440 sold | 28 live → |
| Dell R640 · G14 | Moderate (45–55 dB) | 90 W | $95/yr | good | 1U rack | $668 sold | 1096 live → |
| HP DL360 Gen10 · Gen10 | Moderate (45–55 dB) | 90 W | $95/yr | good | 1U rack | $535 sold | 512 live → |
| Lenovo SR570 · V1 | Moderate (45–55 dB) | 90 W | $95/yr | good | 1U rack | ~$670 asking | 3 live → |
| Lenovo SR630 · V1 | Moderate (45–55 dB) | 90 W | $95/yr | good | 1U rack | ~$1,550 asking | 168 live → |
| Cisco C240 M4 · M4 | Moderate (45–55 dB) | 100 W | $105/yr | good | 2U rack | ~$1,212 asking | 65 live → |
| Dell R730 · G13 | Moderate (45–55 dB)✓ 28 dBA sourced | 100 W | $105/yr | good | 2U rack | $180 sold | 381 live → |
| Dell R730xd · G13 | Moderate (45–55 dB)✓ 31 dBA sourced | 100 W | $105/yr | good | 2U rack | $806 sold | 418 live → |
| Dell T630 · G13 | Moderate (45–55 dB)✓ 24 dBA sourced | 100 W | $105/yr | good | tower | $61 sold | 1 live → |
| HP DL380 Gen9 · Gen9 | Moderate (45–55 dB) | 100 W | $105/yr | good | 2U rack | $215 sold | 635 live → |
| Lenovo SR550 · V1 | Moderate (45–55 dB) | 100 W | $105/yr | good | 2U rack | ~$850 asking | 4 live → |
| Lenovo x3650 M5 · M5 | Moderate (45–55 dB) | 100 W | $105/yr | good | 2U rack | $144 sold | none |
| Supermicro 6028R-E1CR12T · X10 | Moderate (45–55 dB) | 100 W | $105/yr | good | 2U rack | ~$336 asking | 3 live → |
| Dell T620 · G12 | Moderate (45–55 dB) | 110 W | $116/yr | fair | tower | $761 sold | none |
| HP DL325 Gen10 Plus · Gen10+ | Moderate (45–55 dB) | 110 W | $116/yr | good | 1U rack | — | none |
| Supermicro X12SPi-TF · X12 | Moderate (45–55 dB) | 110 W | $116/yr | fair | 1U rack | ~$1,795 asking | 1 live → |
| Cisco C240 M5 · M5 | Moderate (45–55 dB) | 120 W | $126/yr | good | 2U rack | ~$1,220 asking | 84 live → |
| Dell R740 · G14 | Moderate (45–55 dB) | 120 W | $126/yr | good | 2U rack | $750 sold | 290 live → |
| Dell R740xd · G14 | Moderate (45–55 dB) | 120 W | $126/yr | good | 2U rack | ~$3,260 asking | 192 live → |
| HP DL380 Gen10 · Gen10 | Moderate (45–55 dB) | 120 W | $126/yr | good | 2U rack | $759 sold | 730 live → |
| Lenovo SR650 · V1 | Moderate (45–55 dB) | 120 W | $126/yr | good | 2U rack | $2,097 sold | 46 live → |
| HP DL385 Gen10 · Gen10 | Moderate (45–55 dB) | 130 W | $137/yr | good | 2U rack | ~$3,895 asking | 2 live → |
| Lenovo SR665 · V1 | Moderate (45–55 dB) | 130 W | $137/yr | good | 2U rack | ~$2,524 asking | 19 live → |
| Supermicro H12DSi-NT6 · H12 | Moderate (45–55 dB) | 140 W | $147/yr | fair | 2U rack | — | none |
| Supermicro SYS-E200-8D · Xeon D-1500 | Loud (55–65 dB) | 30 W | $32/yr | — | mini | ~$950 asking | 6 live → |
| Supermicro X11SCW-F | Loud (55–65 dB) | 40 W | $42/yr | fair | 1U rack | ~$349 asking | 5 live → |
| Dell XR11 · G15 | Loud (55–65 dB) | 50 W | $53/yr | good | 1U rack | $1,924 sold | 2 live → |
| Dell R430 · G13 | Loud (55–65 dB)✓ 27 dBA sourced | 60 W | $63/yr | fair | 1U rack | $414 sold | 147 live → |
| Supermicro 5018R-WR | Loud (55–65 dB) | 60 W | $63/yr | fair | 1U rack | ~$339 asking | 4 live → |
| Lenovo x3550 M4 · M4 | Loud (55–65 dB) | 65 W | $68/yr | fair | 1U rack | — | none |
| Dell R420 · G12 | Loud (55–65 dB) | 70 W | $74/yr | poor | 1U rack | ~$290 asking | 1 live → |
| HP DL380e · Gen8 | Loud (55–65 dB) | 70 W | $74/yr | poor | 2U rack | ~$305 asking | 2 live → |
| Lenovo x3650 M5 · M5 | Loud (55–65 dB) | 70 W | $74/yr | fair | 2U rack | — | none |
| Dell R440 · G14 | Loud (55–65 dB) | 75 W | $79/yr | good | 1U rack | $1,432 sold | 83 live → |
| Cisco C220 M3 · M3 | Loud (55–65 dB) | 80 W | $84/yr | fair | 1U rack | ~$140 asking | 32 live → |
| Dell R620 · G12 | Loud (55–65 dB) | 80 W | $84/yr | fair | 1U rack | $250 sold | 5 live → |
| Dell R650xs · G15 | Loud (55–65 dB) | 80 W | $84/yr | good | 1U rack | $3,896 sold | none |
| HP DL360 Gen8 · Gen8 | Loud (55–65 dB) | 80 W | $84/yr | fair | 1U rack | $9 sold | none |
| Lenovo x3550 M4 · M4 | Loud (55–65 dB) | 80 W | $84/yr | fair | 1U rack | — | none |
| Supermicro AS-1014S-WTRT | Loud (55–65 dB) | 80 W | $84/yr | fair | 1U rack | ~$3,260 asking | 3 live → |
| HP DL360p Gen8 · Gen8 | Loud (55–65 dB) | 85 W | $89/yr | poor | 1U rack | ~$194 asking | 20 live → |
| Supermicro X10DRU-i+ · X10 | Loud (55–65 dB) | 85 W | $89/yr | fair | 2U rack | $565 sold | 53 live → |
| Dell R710 · G11 | Loud (55–65 dB) | 90 W | $95/yr | poor | 2U rack | ~$160 asking | 1 live → |
| Dell R760xs · G16 | Loud (55–65 dB) | 90 W | $95/yr | good | 1U rack | $1,697 sold | none |
| Dell T610 · G11 | Loud (55–65 dB) | 90 W | $95/yr | poor | tower | ~$399 asking | none |
| Dell T710 · G11 | Loud (55–65 dB) | 90 W | $95/yr | poor | tower | $84 sold | none |
| HP DL380 G6 · G6 | Loud (55–65 dB) | 90 W | $95/yr | poor | 2U rack | ~$125 asking | 3 live → |
| HP DL380 G7 · G7 | Loud (55–65 dB) | 90 W | $95/yr | poor | 2U rack | ~$70 asking | 7 live → |
| Dell R6515 · G15 | Loud (55–65 dB) | 100 W | $105/yr | good | 1U rack | ~$3,879 asking | 4 live → |
| Supermicro X10DRi · X10 | Loud (55–65 dB) | 100 W | $105/yr | fair | 2U rack | — | none |
| Supermicro X10DRi-T · X10 | Loud (55–65 dB) | 100 W | $105/yr | fair | 2U rack | $429 sold | 1 live → |
| Cisco C240 M3 · M3 | Loud (55–65 dB) | 110 W | $116/yr | fair | 2U rack | ~$175 asking | 14 live → |
| Dell R720 · G12 | Loud (55–65 dB) | 110 W | $116/yr | fair | 2U rack | $400 sold | 7 live → |
| Dell R720xd · G12 | Loud (55–65 dB) | 110 W | $116/yr | fair | 2U rack | ~$1,995 asking | 1 live → |
| HP DL380 Gen8 · Gen8 | Loud (55–65 dB) | 110 W | $116/yr | fair | 2U rack | ~$300 asking | 1 live → |
| HP DL380p Gen8 · Gen8 | Loud (55–65 dB) | 110 W | $116/yr | fair | 2U rack | $159 sold | 19 live → |
| Lenovo x3650 M4 · M4 | Loud (55–65 dB) | 110 W | $116/yr | fair | 2U rack | $12 sold | none |
| Supermicro X9DR3-F · X9 | Loud (55–65 dB) | 110 W | $116/yr | fair | 2U rack | ~$255 asking | none |
| Supermicro X9DRi-F · X9 | Loud (55–65 dB) | 110 W | $116/yr | fair | 2U rack | ~$295 asking | 2 live → |
| Supermicro SSG-6029P-E1CR24L · X11 | Loud (55–65 dB) | 120 W | $126/yr | fair | 2U rack | $1,000 sold | 1 live → |
| Supermicro X11DPH-T · X11 | Loud (55–65 dB) | 120 W | $126/yr | fair | 2U rack | ~$1,145 asking | 2 live → |
| Supermicro X11DPi-N · X11 | Loud (55–65 dB) | 120 W | $126/yr | fair | 2U rack | ~$1,747 asking | 48 live → |
| Dell M630 · G13 | Loud (55–65 dB) | — | — | good | blade | ~$3,659 asking | 11 live → |
| Dell R810 · G11 | Loud (55–65 dB) | — | — | fair | 2U rack | ~$295 asking | 4 live → |
| Dell R820 · G13 | Loud (55–65 dB) | — | — | fair | 2U rack | ~$278 asking | 4 live → |
| Dell R940 · G14 | Loud (55–65 dB) | — | — | good | 3U rack | $49 sold | 4 live → |
| Supermicro 1029U-TRT | Loud (55–65 dB) | — | — | fair | 1U rack | ~$799 asking | 1 live → |
| Supermicro 2029TP-HC1R | Loud (55–65 dB) | — | — | fair | 2U rack | ~$1,295 asking | 4 live → |
| Supermicro 6029U-E1CR4 | Loud (55–65 dB) | — | — | fair | 2U rack | ~$999 asking | 3 live → |
| Supermicro 6029U-TRT | Loud (55–65 dB) | — | — | fair | 2U rack | ~$2,888 asking | 3 live → |
| Supermicro X10DRFR-NT | Loud (55–65 dB) | — | — | fair | 4U rack | — | none |
| Supermicro X11SPW-TF | Loud (55–65 dB) | — | — | fair | 1U rack | ~$510 asking | 6 live → |
| Supermicro X12DDW-A6 | Loud (55–65 dB) | — | — | fair | 6U rack | ~$999 asking | 3 live → |
| Supermicro X8DTU-F | Loud (55–65 dB) | — | — | fair | 2U rack | ~$90 asking | 1 live → |
| Supermicro X9DBL-3F | Loud (55–65 dB) | — | — | fair | 1U rack | — | none |
| Supermicro X10SLD-F · Haswell / Ivy Bridge E3 | Datacenter (>65 dB) | 30 W | $32/yr | — | node, 3U chassis | ~$69 asking | 8 live → |
| Supermicro X11SCA-F · X11 (Xeon E-2200/E-2300, Coffee Lake/Rocket Lake-S) | Datacenter (>65 dB) | 35 W | $37/yr | — | 1U rack | ~$374 asking | 4 live → |
| Supermicro X9SCL-F · Ivy Bridge-E / Sandy Bridge-E LGA1155 | Datacenter (>65 dB) | 35 W | $37/yr | — | 1U rack | ~$173 asking | 6 live → |
| Supermicro SYS-5019A-FN5T · Atom P Series / Denverton | Datacenter (>65 dB) | 40 W | $42/yr | — | 1U rack | ~$1,700 asking | 2 live → |
| Supermicro SYS-5019S-W4TR · Skylake/Kaby Lake (E3-1200 v5/v6) | Datacenter (>65 dB) | 45 W | $47/yr | — | 1U rack | ~$640 asking | 21 live → |
| HP DL160 Gen9 · Gen9 | Datacenter (>65 dB) | 55 W | $58/yr | — | 1U rack | ~$186 asking | 8 live → |
| Supermicro SYS-5019C-WR · Xeon E-2100 (Coffee Lake) | Datacenter (>65 dB) | 55 W | $58/yr | — | 1U rack | ~$788 asking | 39 live → |
| Supermicro X10SRW-F · Haswell/Broadwell-EP (E5-2600 v3/v4) | Datacenter (>65 dB) | 55 W | $58/yr | — | 1U rack | ~$761 asking | 52 live → |
| Dell R610 · G11 | Datacenter (>65 dB) | 65 W | $68/yr | poor | 1U rack | $32 sold | 3 live → |
| HP DL325 Gen10 · Gen10 | Datacenter (>65 dB) | 65 W | $68/yr | — | 1U rack | ~$4,143 asking | 4 live → |
| HP DL360 G6 · G6 | Datacenter (>65 dB) | 65 W | $68/yr | poor | 1U rack | ~$100 asking | 3 live → |
| HP DL360 G7 · G7 | Datacenter (>65 dB) | 65 W | $68/yr | poor | 1U rack | ~$95 asking | 4 live → |
| HP DL360e Gen8 · Gen8 | Datacenter (>65 dB) | 65 W | $68/yr | — | 1U rack | ~$255 asking | 6 live → |
| Supermicro X10DRT-P · Grantley | Datacenter (>65 dB) | 65 W | $68/yr | — | node, 2U chassis | ~$399 asking | 16 live → |
| HP DL360 G7 · G7 | Datacenter (>65 dB) | 80 W | $84/yr | — | 1U rack | ~$235 asking | 11 live → |
| Supermicro X11DPT-B · Purley (Skylake-SP / Cascade Lake-SP) | Datacenter (>65 dB) | 80 W | $84/yr | — | node, 2U chassis | ~$1,595 asking | 11 live → |
| Supermicro X11DPT-PS · Purley / Skylake-SP / Cascade Lake-SP | Datacenter (>65 dB) | 80 W | $84/yr | — | node, 2U chassis | ~$1,846 asking | 8 live → |
| Supermicro X12SPL-F · Ice Lake SP | Datacenter (>65 dB) | 80 W | $84/yr | — | tower | ~$4,010 asking | 9 live → |
| HP DL160 Gen6 · Gen6 | Datacenter (>65 dB) | 85 W | $89/yr | — | 1U rack | ~$300 asking | 6 live → |
| HP DL180 G6 · G6 | Datacenter (>65 dB) | 85 W | $89/yr | — | 2U rack | ~$220 asking | 5 live → |
| Lenovo ST550 · Skylake/Cascade Lake (Xeon Scalable Gen1/Gen2) | Datacenter (>65 dB) | 85 W | $89/yr | — | tower | ~$1,690 asking | 9 live → |
| Supermicro SYS-1028U-TR4+ · Grantley (Haswell-EP / Broadwell-EP) | Datacenter (>65 dB) | 85 W | $89/yr | — | 1U rack | ~$268 asking | 2 live → |
| Supermicro X10DRT-H · Grantley (Broadwell-EP / Haswell-EP) | Datacenter (>65 dB) | 85 W | $89/yr | — | node, 2U chassis | ~$2,210 asking | 10 live → |
| Supermicro X9DRT-HF · Sandy Bridge-EP / Ivy Bridge-EP | Datacenter (>65 dB) | 85 W | $89/yr | — | node, 2U chassis | ~$685 asking | 7 live → |
| Cisco C200 M2 · M2 | Datacenter (>65 dB) | 90 W | $95/yr | — | 1U rack | ~$171 asking | 9 live → |
| HP BL460c · G1 | Datacenter (>65 dB) | 90 W | $95/yr | — | blade | ~$135 asking | 6 live → |
| HP DL360 G6 · G6 | Datacenter (>65 dB) | 90 W | $95/yr | — | 1U rack | ~$260 asking | 5 live → |
| Supermicro H8DGT-HIBQF · AMD Opteron 6000 Series (Magny-Cours / Interlagos) | Datacenter (>65 dB) | 90 W | $95/yr | — | node, 2U chassis | ~$154 asking | 3 live → |
| Supermicro SYS-6028U-TR4T+ · Grantley | Datacenter (>65 dB) | 90 W | $95/yr | — | 2U rack | $1,459 sold | 10 live → |
| Supermicro X10DRW-i · Grantley (Haswell-EP / Broadwell-EP) | Datacenter (>65 dB) | 90 W | $95/yr | — | 1U rack | ~$410 asking | 4 live → |
| HP BL460c G6 · G6 | Datacenter (>65 dB) | 95 W | $100/yr | — | blade | ~$164 asking | 12 live → |
| HP DL380 · G9 | Datacenter (>65 dB) | 95 W | $100/yr | — | 2U rack | ~$824 asking | 10 live → |
| HP DL380 G6 · G6 | Datacenter (>65 dB) | 110 W | $116/yr | — | 2U rack | ~$300 asking | 13 live → |
| HP DL380 Gen7 · Gen7 | Datacenter (>65 dB) | 110 W | $116/yr | — | 2U rack | ~$279 asking | 11 live → |
| Cisco C240 M7 · M7 | Datacenter (>65 dB) | 120 W | $126/yr | — | 2U rack | ~$14,750 asking | 2 live → |
| Supermicro SYS-2029U-E1CRT · Skylake-SP / Cascade Lake-SP (Purley) | Datacenter (>65 dB) | 120 W | $126/yr | — | 2U rack | ~$1,127 asking | 6 live → |
| Supermicro SYS-6029TP-HTR · Purley | Datacenter (>65 dB) | 120 W | $126/yr | — | node, 2U chassis | ~$899 asking | 2 live → |
| Supermicro SYS-6029U-E1CR4T · Purley (Skylake-SP / Cascade Lake-SP) | Datacenter (>65 dB) | 120 W | $126/yr | — | 2U rack | ~$1,800 asking | 5 live → |
| Supermicro SYS-7048GR-TR · Broadwell-EP / Haswell-EP (E5-2600 v3/v4) | Datacenter (>65 dB) | 120 W | $126/yr | — | tower | ~$1,376 asking | 19 live → |
| Supermicro SYS-7049GP-TRT · Purley (Skylake-SP / Cascade Lake-SP) | Datacenter (>65 dB) | 120 W | $126/yr | — | tower | ~$2,623 asking | 4 live → |
| Supermicro X10DRH-C · Grantley (Haswell-EP) | Datacenter (>65 dB) | 120 W | $126/yr | — | 4U rack | ~$1,694 asking | 6 live → |
| Supermicro X10DRH-iT · Broadwell-EP / Haswell-EP (Xeon E5-2600 v3/v4) | Datacenter (>65 dB) | 120 W | $126/yr | — | 4U rack | $838 sold | 11 live → |
| Supermicro X8DTT-HF+ · Westmere-EP / Nehalem-EP | Datacenter (>65 dB) | 120 W | $126/yr | — | node, 2U chassis | ~$87 asking | 4 live → |
| Supermicro X9DRW-3LN4F+ · Ivy Bridge-EP | Datacenter (>65 dB) | 120 W | $126/yr | — | 1U rack | ~$170 asking | 5 live → |
| Supermicro X9DRW-7TPF · Sandy Bridge-EP / Ivy Bridge-EP | Datacenter (>65 dB) | 120 W | $126/yr | — | 1U rack | ~$600 asking | 4 live → |
| HP DL360 G5 · G5 | Datacenter (>65 dB) | 135 W | $142/yr | — | 1U rack | ~$168 asking | 8 live → |
| Supermicro AS-2023US-TR4 · H11 | Datacenter (>65 dB) | 150 W | $158/yr | fair | 2U rack | ~$1,801 asking | 7 live → |
| Cisco C210 M2 · M2 | Datacenter (>65 dB) | 180 W | $189/yr | — | 2U rack | ~$249 asking | 7 live → |
| Cisco C250 M2 · M2 | Datacenter (>65 dB) | 180 W | $189/yr | — | 2U rack | ~$415 asking | 2 live → |
| HP DL380 G5 · G5 | Datacenter (>65 dB) | 180 W | $189/yr | — | 2U rack | $95 sold | 14 live → |
| Supermicro SYS-2029BT-HNTR · Purley / Skylake-SP | Datacenter (>65 dB) | 180 W | $189/yr | — | node, 2U chassis | ~$1,710 asking | 8 live → |
| Supermicro 4029GP-TVRT · X11 | Datacenter (>65 dB) | 300 W | $315/yr | good | 4U rack | ~$10,999 asking | 3 live → |
| Supermicro SYS-2029GP-TR · X11 | Datacenter (>65 dB) | 300 W | $315/yr | fair | 4U rack | ~$2,422 asking | 49 live → |
| HP DL560 · Gen9 | Datacenter (>65 dB) | 350 W | $368/yr | poor | 2U rack | $269 sold | none |
| Lenovo SR950 · V1 | Datacenter (>65 dB) | 350 W | $368/yr | poor | 4U rack | ~$2,392 asking | 4 live → |
| Supermicro AS-4124GS-TNR · H12 | Datacenter (>65 dB) | 400 W | $420/yr | fair | 4U rack | $3,014 sold | 13 live → |
| Cisco B200 M1 · UCS M1 | Datacenter (>65 dB) | — | — | — | blade | ~$130 asking | 2 live → |
| Cisco C260 M2 · M2 | Datacenter (>65 dB) | — | — | — | 2U rack | ~$284 asking | 2 live → |
| Cisco C420 M3 · Ivy Bridge-EP | Datacenter (>65 dB) | — | — | — | 4U rack | ~$221 asking | 3 live → |
| Cisco C460 M4 · M4 | Datacenter (>65 dB) | — | — | — | 4U rack | ~$625 asking | 6 live → |
| Cisco C480 M5 · M5 | Datacenter (>65 dB) | — | — | — | 4U rack | ~$2,900 asking | 3 live → |
| HP DL560 Gen9 · Gen9 | Datacenter (>65 dB) | — | — | — | 2U rack | ~$2,500 asking | 1 live → |
| HP DL580 G7 · G7 | Datacenter (>65 dB) | — | — | — | 4U rack | ~$384 asking | 4 live → |
| HPE DL560 Gen10 · Gen10 | Datacenter (>65 dB) | — | — | — | 2U rack | ~$3,114 asking | 22 live → |
| Lenovo SR850 · Skylake-SP / Cascade Lake-SP (1st/2nd Gen Xeon Scalable) | Datacenter (>65 dB) | — | — | — | 2U rack | ~$1,250 asking | 4 live → |
| Supermicro 2028TP-HC0R | Datacenter (>65 dB) | — | — | fair | 2U rack | ~$795 asking | 3 live → |
| Supermicro 2029TP-HTR | Datacenter (>65 dB) | — | — | fair | 2U rack | — | 3 live → |
| Supermicro 6049GP-TRT | Datacenter (>65 dB) | — | — | fair | 4U rack | ~$3,950 asking | none |
| Supermicro SSG-6048R-E1CR36N · Grantley (Haswell-EP) | Datacenter (>65 dB) | — | — | — | 4U rack | ~$2,773 asking | 6 live → |
| Supermicro SYS-1029U-TN10RT · Skylake-SP / Cascade Lake-SP (Xeon Scalable 1st/2nd Gen) | Datacenter (>65 dB) | — | — | — | 1U rack | ~$1,395 asking | 3 live → |
| Supermicro SYS-2029BT-HNR · Purley / Xeon Scalable Gen 1+2 | Datacenter (>65 dB) | — | — | — | node, 2U chassis | ~$1,998 asking | 4 live → |
| Supermicro SYS-2049U-TR4 · Skylake-SP / Cascade Lake-SP (Xeon Scalable 1st/2nd Gen) | Datacenter (>65 dB) | — | — | — | 2U rack | ~$1,295 asking | 2 live → |
| Supermicro SYS-4028GR-TR · Broadwell-EP | Datacenter (>65 dB) | — | — | — | 4U rack | ~$1,698 asking | 4 live → |
| Supermicro SYS-4028GR-TRT2 · Haswell-EP | Datacenter (>65 dB) | — | — | — | 4U rack | ~$1,300 asking | 5 live → |
| Supermicro SYS-420GP-TNR | Datacenter (>65 dB) | — | — | fair | 4U rack | ~$11,770 asking | 40 live → |
| Supermicro SYS-5039MS-H8TRF · Skylake/Kaby Lake | Datacenter (>65 dB) | — | — | — | node, 3U chassis | ~$2,670 asking | 5 live → |
| Supermicro SYS-6019U-TN4R4T · Purley | Datacenter (>65 dB) | — | — | — | 1U rack | ~$1,321 asking | 11 live → |
| Supermicro SYS-6019U-TN4RT · Skylake-SP / Cascade Lake-SP (Purley) | Datacenter (>65 dB) | — | — | — | 1U rack | ~$1,967 asking | 27 live → |
| Supermicro SYS-6028UX-TR4 · Broadwell-EP / Haswell-EP | Datacenter (>65 dB) | — | — | — | 2U rack | $776 sold | 6 live → |
| Supermicro SYS-620C-TN12R · Ice Lake (3rd Gen Xeon Scalable) | Datacenter (>65 dB) | — | — | — | 2U rack | ~$1,650 asking | 7 live → |
| Supermicro SYS-740A-T · Ice Lake SP | Datacenter (>65 dB) | — | — | — | tower | ~$9,890 asking | 7 live → |
| Supermicro SYS-8048B-TRFT · Ivy Bridge-EX / Haswell-EX | Datacenter (>65 dB) | — | — | — | 4U rack | ~$1,382 asking | 6 live → |
| Supermicro X9DRT-P | Datacenter (>65 dB) | — | — | fair | blade | ~$1,200 asking | 5 live → |
| Supermicro X9DRW-iF | Datacenter (>65 dB) | — | — | fair | blade | ~$420 asking | 2 live → |
| Cisco B200 M2 · Nehalem/Westmere | — | 90 W | $95/yr | — | blade | ~$75 asking | 6 live → |
| Cisco B200 M3 · M3 | — | 90 W | $95/yr | — | blade | ~$123 asking | 19 live → |
| Cisco B200 M4 · M4 | — | 90 W | $95/yr | — | blade | ~$315 asking | 26 live → |
| HP BL460c Gen8 · Gen8 | — | 90 W | $95/yr | — | blade | ~$340 asking | 6 live → |
| HP BL460c Gen9 · Gen9 | — | 90 W | $95/yr | — | blade | ~$610 asking | 12 live → |
| HPE BL460c Gen10 · Gen10 | — | 90 W | $95/yr | — | blade | ~$216 asking | 4 live → |
| HP BL460c G7 · Gen7 | — | 110 W | $116/yr | — | blade | ~$230 asking | 4 live → |
How these are estimated. Noise tiers and idle wattage are derived from each platform's design (chassis size, fan setup, CPU TDP class, generation), they're informed estimates for a typical single-CPU configuration, not measured dB/watt readings, and a specific unit varies with its fans, CPUs, drives, and BIOS fan curve. Use them to shortlist, then verify for your config. Noise tiers: 1 = whisper (<35 dB) to 5 = datacenter-only (>65 dB).
A ✓ NN dBA sourced badge means that figure comes from the vendor's own acoustical datasheet (idle, minimal config), linked for you to verify, rather than our estimate. Vendor idle numbers are measured in a controlled room, so a loaded unit in a warm closet will read higher. A ◆ NN dBA measured badge is the median of real readings homelabbers reported.
Measured one yourself? Report a real noise or power figure and help build the community-measured dataset. See how scoring works · price history · browse by lowest idle power.