model

Lenovo ThinkSystem SR650 V3 Server

Form Factor

2U rack Server

Processor

One or two 4th-generation Intel Xeon Scalable processor (formerly codenamed "Sapphire Rapids"). Supports processors up to 60
cores, core speeds of up to 4.0 GHz, and TDP ratings of up to 350 W.

Memory

32 DIMM slots with two processors (16 DIMM slots per processor). Each processor has 8 memory channels, with 2 DIMMs per channel
(DPC). Lenovo TruDDR5 RDIMMs, 9x4 RDIMMs, and 3DS RDIMMs are supported. DIMMs operate at up to 4800 MHz at 1 DPC and up to 4400
MHz at 2 DPC.

Drive Bays

Up to 20x 3.5-inch or 40x 2.5-inch hot-swap drive bays:
* Front bays can be 3.5-inch (8 or 12 bays) or 2.5-inch (8, 16 or 24 bays)
* Middle bays can be 3.5-inch (4 bays) or 2.5-inch (8 bays)
* Rear bays can be 3.5-inch (2 or 4 bays) or 2.5-inch (4 or 8 bays)
* Combinations of SAS/SATA, NVMe, or AnyBay (supporting SAS, SATA or NVMe) are available

The server also supports these drives for OS boot or drive storage:
* Two 7mm drives at the rear of the server (in addition to any 2.5-inch or 3.5-inch drive bays)
* Internal M.2 module supporting up to two M.2 drives

Expansion Slots

Up to 10x PCIe slots with rear access, plus a slot dedicated to the OCP adapter. Slot are either PCIe 5.0 or 4.0 depending on
riser selection and rear drive bay selection. The use of some slots requires two processors.

Power

Up to two hot-swap redundant AC power supplies, 80 PLUS Platinum or 80 PLUS Titanium certification. 750 W, 1100 W, 1800 W, 2400 W
and 2600W AC options, supporting 220 V AC. 750 W and 1100 W options also support 110V input supply. In China only, all power
supply options support 240 V DC. Also available is a 1100W power supply with a -48V DC input.