Skip to content
Memory and storage supply stays tight in 2026 — server DRAM contract prices climbed steeply in Q1. (TrendForce, Jun 2026)
HomeCatalogLenovo ThinkSystem ST550 — Full Technical Specifications

Technical specifications

Lenovo ThinkSystem ST550 — Full Technical Specifications

Official datasheet

Original spec sheet © Vendor. Hosted by hardwaresys for buyer reference. Specifications subject to vendor’s published documentation.

Full Specifications

CPU2x Intel Xeon Scalable Gen2/Gen1, up to 22C/125W, up to 3.8 GHz
CPU Sockets2
ChipsetIntel C621
Memory12x DDR4 DIMM, up to 768GB, up to 2933 MT/s
DIMM Slots12
Drive Baysup to 20x 2.5" or 8x 3.5" hot-swap
PCIe Slotsup to 6x PCIe 3.0
Network2x GbE (Intel X722)
PowerFixed 450W or hot-swap 550-1100W Platinum
Form FactorTower / 4U rack

Looking to buy this configuration?

We source this chassis OEM-new or refurbished, QC-inspected and shipped door-to-door. Quote-only pricing.

Every model · new & refurbished

Same 1-yr warranty, same QC