Lenovo ST650 V2 Gold 6348 28C 235W 2.6GHZ

ST550 Xeon Silver 4208

Lenovo Part# 4XG7A14812

CPU Processors and Chipsets – Upgrade - Octa-core (8 Core) - 85 W Thermal Design Power - Intel - Xeon Silver - 11 MB L3 Cache - 2.10 GHz Clock Speed - Socket 3647 - 4208 Product Model - 14 nm Process Technology - 1 Year Limited ...

ST650 V3 6426Y 16C 185W 2.5GHZ Kit

Lenovo Part# 4XG7A85288

CPU Processors and Chipsets – Upgrade - Hexadeca-core (16 Core) - 185 W Thermal Design Power - Intel - Xeon Gold - 4th Gen Processor Generation - 32 Processor Threads - 37.50 MB L3 Cache - 2.50 GHz Clock Speed - Socket LGA-4677

Xeon Silver 4208 without Fan

Lenovo Part# 4XG7A37935

CPU Processors and Chipsets – Upgrade - Octa-core (8 Core) - 85 W Thermal Design Power - Intel - Xeon Silver - 11 MB L3 Cache - 2.10 GHz Clock Speed - Socket 3647 - 4208 Product Model - 14 nm Process Technology - 1 Year Limited ...