Tech Spec Spec it right!

Lenovo ThinkSystem SD650 V3

A CPU-only, direct-water-cooled dense compute node for the ThinkSystem DW612S enclosure: each 1U tray holds two independent dual-socket nodes, for up to 12 nodes and 24 processors in 6U of rack space, aimed at HPC and large-scale cloud clusters.

Memory

Slots
16 DIMM per node (8 per processor)
Type
Lenovo TruDDR5 RDIMM, 3DS RDIMM, 9x4 RDIMM
Speed
Up to 5600 MT/s (5th Gen), up to 4800 MT/s (4th Gen and Max Series)
Max
2 TB per node (16 x 128 GB 3DS RDIMM)
Channels
8 per processor, 1 DIMM per channel
Protection
ECC, SDDC, Patrol/Demand Scrubbing, Bounded Fault, DRAM Address Command Parity with Replay, DRAM Uncorrected ECC Error Retry, On-die ECC, ECS, Post Package Repair
Persistent memory
Not supported

Storage

Drive bays
Per node, one of: up to 4x E3.S 1T (PCIe 5.0 NVMe); up to 4x 7mm 2.5" (SATA or PCIe 5.0 NVMe); up to 2x 15mm 2.5" (PCIe 5.0 NVMe)
Bay/slot tradeoff
Full bay count with 0 PCIe slots; half with 1 slot; 0 bays (M.2 only) with 2 PCIe slots
M.2
1x PCIe 4.0 x4 NVMe M.2 (2280/22110) on an adapter mounted above the front processor; NVMe only, SATA M.2 not supported
Controllers
2x onboard SATA ports, 2x onboard NVMe ports; RAID via Intel VROC (SATA and NVMe)
Max capacity
61.44 TB (4x 15.36 TB E3.S NVMe); 30.72 TB (4x 7.68 TB 7mm SATA) or 15.36 TB (4x 3.84 TB 7mm NVMe); 7.68 TB (2x 3.84 TB 15mm NVMe)
Optical
No internal bay; external USB drive only

Expansion

Slots
Per node: 1x or 2x PCIe 5.0 x16, low-profile form factor (each slot mutually exclusive with one drive bay)
Bandwidth
128 GB/s per x16 slot; CXL 1.1 ready

Networking

Onboard
Per node: 2x 25 Gb Ethernet SFP28 (Mellanox ConnectX-4 Lx, supports 10/25Gb), 1x 1 Gb Ethernet RJ45 (Intel I210)
Shared NIC
1 Gb port and 25 Gb port 1 can share with XClarity Controller for Wake-on-LAN/NC-SI

Power

Enclosure supplies
6x or 9x air-cooled hot-swap (80 PLUS Titanium/Platinum), or 2x or 3x water-cooled hot-swap, installed at the rear of the DW612S enclosure
Redundancy
Optional N+1 or N+N; single power domain shared by all nodes in the enclosure
Input
200-240V AC nominal, 50/60 Hz; 180-300 Vdc China only

Ports

Node
External diagnostics port; console connector (breakout cable provides 1x VGA, 1x USB 3.1 Gen1 5Gb/s, 1x DB9 serial)
Enclosure (SMM)
2x RJ45 10/100/1000 Ethernet, daisy-chainable across up to 7 enclosures

Physical

Tray dimensions
438 x 41 x 693 mm (17.2 x 1.6 x 27.3 in); 747 mm depth including rear water connections
Tray weight
20.7 kg (45.6 lb), 2 nodes
Enclosure
ThinkSystem DW612S, 6U rack-mounted, 447 x 264 x 933 mm (17.6 x 10.4 x 36.7 in)
Enclosure capacity
Up to 12 SD650 V3 nodes (6 trays) per DW612S enclosure
Enclosure weight
Empty 24.3 kg (53.5 lb); fully configured 182.9-188.7 kg (403-416 lb) without water manifold
Cooling
5th-generation Lenovo Neptune direct water cooling, fan-less; water 2-50°C (ASHRAE W45), air 10-35°C (ASHRAE A2)

Management

BMC
XClarity Controller 2 (XCC2) on ASPEED AST2600
Enclosure management
System Management Module (SMM2) in the DW612S enclosure
Protocols
IPMI 2.0, SNMP 3.0, Redfish REST API
Optional
XCC Platinum: remote KVM, remote media, FIPS 140-3
Power monitoring
TI INA226-based power/energy meter, >97% accuracy, 100 Hz sampling
Video
Embedded 2D graphics with 16 MB memory in XCC; max 1920x1200 32bpp @ 60 Hz
Security
TPM 2.0, power-on/admin passwords

Operating systems

Certified
Red Hat Enterprise Linux, SUSE Linux Enterprise Server, Ubuntu
Tested
Rocky Linux, AlmaLinux

Processors

  • Intel Xeon Gold 6526Y
  • Intel Xeon Gold 6534
  • Intel Xeon Gold 6542Y
  • Intel Xeon Gold 6544Y
  • Intel Xeon Gold 6548Y+
  • Intel Xeon Gold 6558Q
  • Intel Xeon Platinum 8558
  • Intel Xeon Platinum 8562Y+
  • Intel Xeon Platinum 8568Y+
  • Intel Xeon Platinum 8570
  • Intel Xeon Platinum 8580
  • Intel Xeon Platinum 8592+
  • Intel Xeon Platinum 8593Q
  • Intel Xeon Gold 6426Y
  • Intel Xeon Gold 6434
  • Intel Xeon Gold 6442Y
  • Intel Xeon Gold 6444Y
  • Intel Xeon Gold 6448Y
  • Intel Xeon Gold 6458Q
  • Intel Xeon Platinum 8458P
  • Intel Xeon Platinum 8460Y+
  • Intel Xeon Platinum 8462Y+
  • Intel Xeon Platinum 8468
  • Intel Xeon Platinum 8468V
  • Intel Xeon Platinum 8470
  • Intel Xeon Platinum 8470Q
  • Intel Xeon Platinum 8480+
  • Intel Xeon Platinum 8480CL
  • Intel Xeon Platinum 8490H
  • Intel Xeon CPU Max 9462
  • Intel Xeon CPU Max 9460
  • Intel Xeon CPU Max 9468
  • Intel Xeon CPU Max 9470
  • Intel Xeon CPU Max 9480