Home › Compare

Dell PowerEdge C6620 vs Lenovo ThinkSystem SD650 V3

Side-by-side specifications from the vendors' own documents. The Dell PowerEdge C6620 is an ultra-dense 2-socket modular compute sled that installs into the 2U four-node PowerEdge C6600 chassis. The Lenovo ThinkSystem SD650 V3 is an advanced direct liquid-cooled dual-socket compute tray built for 4th and 5th Gen Intel Xeon Scalable processors.

Dell PowerEdge C6620Lenovo ThinkSystem SD650 V3
BrandDellLenovo
Statuscurrentcurrent
ReleasedApr 2023Jan 2023
Form factor2U 4-nodedense node
Cpu sockets2—
Cpu platformIntel Xeon Scalable 4th and 5th Gen (up to 2 processors per node, 300W TDP)—
Memory slots16—
Memory typeDDR5-4800 / DDR5-5600 RDIMM (per node)—
Memory max (GB)1,024—
Drive baysUp to 6x 2.5-inch NVMe/SAS/SATA or 2x E3.S NVMe drives per node (24x 2.5 in 2U chassis)Up to 2x 2.5-inch 7mm NVMe SSDs or 2x internal M.2 boot SSDs
Pcie slotsUp to 2 PCIe Gen5 slots per node—
Gpu supportNone supported—
Network onboardOCP 3.0 mezzanine slot; 1x 1GbE iDRAC9 port per node—
Power supplyShared dual or quad hot-plug 1800W, 2400W or 2800W Titanium in C6600 chassisShared bus-bar power delivery through the ThinkSystem DW612 Enclosure
Processor—Up to 2x 4th or 5th Gen Intel Xeon Scalable processors up to 64 cores each (up to 385W TDP)
Memory—16x DDR5 DIMM slots (8 per CPU) supporting up to 2TB DDR5-5600 ECC RDIMM
Expansion slots—Up to 2x PCIe 5.0 x16 slots supporting 400Gb/s NDR InfiniBand / 400GbE fabric cards
Network—Mezzanine and PCIe slots for high-speed InfiniBand NDR and RoCE adapters
Management—Lenovo XClarity Controller 2 (XCC2)

Buying or selling a C6620 or ThinkSystem SD650 V3?

New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.