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Hardwarehoard

Lenovo ThinkSystem SR550 vs Lenovo ThinkSystem SR650

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

SR650 sells for about $2,096.82 (1 sold, 30d); not enough sold data on the other yet.

6 SR550 live now · 62 SR650.

At a glance

  • RAM speedSR550 — 2933 MT/s vs 2666 MT/s
  • EfficiencySR550 — 120W idle vs 100W idle

Edge: Lenovo ThinkSystem SR550 wins more dimensions.

Specifications

SpecSR550SR650
Vendor / familyLenovo ThinkSystemLenovo ThinkSystem
GenerationV1V1
Form factor2U rack2U rack
CPU sockets22
Max RAM3 TB3 TB
RAM speed2933 MT/s2666 MT/s
PCIe genPCIe 3.0PCIe 3.0
Idle power (1 CPU)100 W120 W
Noise tier3, Moderate3, Moderate
Typical sold price$850.00 (asking)$2,096.82

SR550 sold price trend

Mar 16: $1,249.53 (1 sold comp)Apr 13: $324.81 (1 sold comp)
2026-03-16$324.81–$1,249.53 · sold median2026-04-13

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

SR650 sold price trend

Nov 25: $3,457.53 (1 sold comp)Mar 2: $288.80 (1 sold comp)Mar 9: $828.09 (2 sold comps)Mar 16: $2,072.92 (1 sold comp)Mar 23: $1,927.15 (2 sold comps)Apr 6: $181.28 (1 sold comp)Apr 13: $1,149.57 (1 sold comp)Apr 27: $829.58 (2 sold comps)May 4: $788.12 (2 sold comps)May 18: $2,096.82 (1 sold comp)Jun 3: $1,801.74 (2 sold comps)Jun 6: $1,801.74 (2 sold comps)Jun 7: $1,801.74 (2 sold comps)Jun 8: $1,801.74 (2 sold comps)Jun 9: $1,801.74 (2 sold comps)Jun 10: $2,096.82 (1 sold comp)Jun 11: $2,096.82 (1 sold comp)Jun 12: $2,096.82 (1 sold comp)Jun 13: $2,096.82 (1 sold comp)Jun 14: $2,096.82 (1 sold comp)
2024-11-25$181.28–$3,457.53 · sold median2026-06-14

Dot size reflects how many listings back each day (1–2 sold comps per point). Hover for details.

Browse 6 SR550 listingsBrowse 62 SR650 listings

← All price histories