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Dell PowerEdge R640 vs Dell PowerEdge R740

Specs & price comparison · 2-socket 1U rack · used / refurbished market

R640 is the cheaper buy right now: about $667.70 sold vs $749.88 for R740, ~12% less.

Based on completed eBay sales (30d): 10 for R640, 2 for R740. 1186 R640 live now · 314 R740.

At a glance

  • PriceR640 — $750 vs $668
  • EfficiencyR640 — 120W idle vs 90W idle

Edge: Dell PowerEdge R640 wins more dimensions.

Specifications

SpecR640R740
Vendor / familyDell PowerEdgeDell PowerEdge
GenerationG14G14
Form factor1U rack2U rack
CPU sockets22
Max RAM3 TB3 TB
RAM speed2933 MT/s2933 MT/s
PCIe genPCIe 3.0PCIe 3.0
Idle power (1 CPU)90 W120 W
Noise tier3, Moderate3, Moderate
Typical sold price$667.70$749.88

R640 sold price trend

Nov 6: $1,511.97 (1 sold comp)Nov 20: $1,290.41 (1 sold comp)Nov 27: $1,310.63 (1 sold comp)Oct 7: $17,159.48 (1 sold comp)Nov 25: $1,368.62 (1 sold comp)Sep 29: $992.62 (1 sold comp)Nov 17: $1,049.48 (1 sold comp)Feb 23: $483.40 (1 sold comp)Mar 2: $796.44 (4 sold comps)Mar 9: $1,733.34 (1 sold comp)Mar 16: $406.32 (2 sold comps)Mar 23: $831.56 (4 sold comps)Mar 30: $349.86 (5 sold comps)Apr 6: $756.17 (4 sold comps)Apr 13: $887.29 (3 sold comps)Apr 20: $974.40 (1 sold comp)Apr 27: $275.27 (7 sold comps)May 4: $528.66 (12 sold comps)May 11: $497.81 (7 sold comps)May 18: $411.78 (12 sold comps)Jun 3: $436.28 (30 sold comps)Jun 6: $497.81 (21 sold comps)Jun 7: $497.81 (21 sold comps)Jun 8: $497.81 (21 sold comps)Jun 9: $498.24 (20 sold comps)Jun 10: $498.24 (18 sold comps)Jun 11: $667.70 (12 sold comps)Jun 12: $667.70 (12 sold comps)Jun 13: $694.22 (11 sold comps)Jun 14: $667.70 (10 sold comps)
2023-11-06$275.27–$17,159.48 · sold median2026-06-14

Dot size reflects how many listings back each day (1–30 sold comps per point). Hover for details.

R740 sold price trend

Sep 30: $6,340.66 (1 sold comp)Oct 7: $7,057.71 (1 sold comp)Nov 4: $4,995.18 (1 sold comp)Jan 6: $4,286.19 (1 sold comp)Apr 13: $5,680.00 (1 sold comp)Oct 23: $1,409.92 (1 sold comp)May 20: $1,304.83 (1 sold comp)Aug 26: $3,184.96 (1 sold comp)Oct 14: $3,277.75 (1 sold comp)Dec 30: $3,231.36 (1 sold comp)Feb 24: $1,449.81 (1 sold comp)Aug 4: $3,219.76 (1 sold comp)Oct 13: $1,587.40 (1 sold comp)Feb 2: $1,432.41 (1 sold comp)Feb 23: $1,099.08 (2 sold comps)Mar 9: $1,148.24 (2 sold comps)Mar 23: $1,659.69 (5 sold comps)Mar 30: $724.60 (3 sold comps)Apr 20: $1,899.28 (5 sold comps)May 4: $734.59 (7 sold comps)May 11: $1,139.89 (1 sold comp)May 18: $202.42 (2 sold comps)Jun 3: $714.40 (10 sold comps)Jun 6: $734.59 (7 sold comps)Jun 7: $734.59 (5 sold comps)Jun 8: $734.59 (5 sold comps)Jun 9: $749.88 (4 sold comps)Jun 10: $359.86 (3 sold comps)Jun 11: $749.88 (2 sold comps)Jun 12: $749.88 (2 sold comps)Jun 13: $749.88 (2 sold comps)Jun 14: $749.88 (2 sold comps)
2019-09-30$202.42–$7,057.71 · sold median2026-06-14

Dot size reflects how many listings back each day (1–10 sold comps per point). Hover for details.

Browse 1186 R640 listingsBrowse 314 R740 listings

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