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Hardwarehoard

Dell PowerEdge T640 vs Lenovo ThinkSystem ST550

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

Not enough recent sold data to call a price winner yet.

2 T640 live now · 10 ST550.

At a glance

  • EfficiencyST550 120W idle vs 85W idle
  • NoiseT640 tier 5 vs tier 2

Specifications

SpecT640ST550
Vendor / familyDell PowerEdgeLenovo ThinkSystem
GenerationG14Skylake/Cascade Lake (Xeon Scalable Gen1/Gen2)
Form factortowertower
CPU sockets22
Max RAM3 TB3 TB
RAM speed2933 MT/s2933 MT/s
PCIe genPCIe 3.0PCIe 3.0
Idle power (1 CPU)120 W85 W
Noise tier2, Quiet5, Datacenter
Typical sold price$1,399.99 (asking)$1,689.97 (asking)

T640 sold price trend

Mar 2: $81.90 (1 sold comp)Mar 16: $1,158.70 (1 sold comp)Apr 13: $980.22 (1 sold comp)Apr 20: $972.18 (1 sold comp)May 4: $39.93 (1 sold comp)
2026-03-02$39.93$1,158.70 · sold median2026-05-04

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

ST550 sold price trend

Price history is still accruing for this model. Check back soon.

Browse 2 T640 listingsBrowse 10 ST550 listings

← All price histories