Lenovo ST550 Xeon Silver 4208

SR650 V2 Silver 4314 16C 135W 2.4GHZ

Lenovo Part# 4XG7A63455

CPU Processors and Chipsets – Upgrade - Hexadeca-core (16 Core) - 135 W Thermal Design Power - Intel - Xeon Silver - 3rd Gen Processor Generation - 32 Processor Threads - 24 MB L3 Cache - 2.40 GHz Clock Speed - Socket LGA-4189

ST650 V3 4410T 10C 150W 2.7GHZ Kit

Lenovo Part# 4XG7A85277

CPU Processors and Chipsets – Upgrade - Deca-core (10 Core) - 150 W Thermal Design Power - Intel - Xeon Silver - 4th Gen Processor Generation - 20 Processor Threads - 26.25 MB L3 Cache - 2.70 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 ...