R540 is the cheaper buy right now: about $1,470.91 sold vs $2,096.82 for SR650, ~43% less.
Based on completed eBay sales (30d): 2 for R540, 1 for SR650. 10 R540 live now · 62 SR650.
At a glance
- PriceR540 — $2,097 vs $1,471
- Max RAMSR650 — 3 TB vs 1 TB
- RAM speedR540 — 2933 MT/s vs 2666 MT/s
- EfficiencyR540 — 120W idle vs 75W idle
Edge: Dell PowerEdge R540 wins more dimensions.
Specifications
| Spec | R540 | SR650 |
|---|
| Vendor / family | Dell PowerEdge | Lenovo ThinkSystem |
| Generation | G14 | V1 |
| Form factor | 2U rack | 2U rack |
| CPU sockets | 2 | 2 |
| Max RAM | 1 TB | 3 TB |
| RAM speed | 2933 MT/s | 2666 MT/s |
| PCIe gen | PCIe 3.0 | PCIe 3.0 |
| Idle power (1 CPU) | 75 W | 120 W |
| Noise tier | 3, Moderate | 3, Moderate |
| Typical sold price | $1,470.91 | $2,096.82 |
R540 sold price trend
2025-11-03$401.49–$1,470.91 · sold median2026-06-14Dot size reflects how many listings back each day (1–2 sold comps per point). Hover for details.
SR650 sold price trend
2024-11-25$181.28–$3,457.53 · sold median2026-06-14Dot size reflects how many listings back each day (1–2 sold comps per point). Hover for details.
← All price histories