Lenovo ThinkSystem SC750 V4
A direct water-cooled, dense HPC/AI compute node: two 2-socket nodes per tray, up to 16 nodes in a 13U ThinkSystem N1380 Neptune enclosure, built around Intel Xeon 6900-series processors.
Memory
- Slots
- 24 DIMM (12 per processor, 12 memory channels per processor, 1 DPC)
- Max
- 3 TB per node using 24 x 128 GB TruDDR5 RDIMM
- Speed
- 6400 MHz RDIMM / 8000 MHz RDIMM (6900E+) / 8800 MHz MRDIMM (6900P)
- Protection
- ECC, SDDC (x4 DIMMs), ADDDC (x4 DIMMs), Bounded Fault, memory mirroring
Storage
- Drive bays
- Up to 6 x E3.S EDSFF NVMe SSDs per node, non-hot-swap
- Max capacity
- 92.16 TB using 6 x 15.36 TB E3.S NVMe SSDs
- Controller
- Onboard NVMe ports; RAID 0/1/10 (and RAID 5 with Premium license) via Intel VROC
Expansion
- Slot 1
- PCIe 5.0 x16 low profile, connected to CPU 1 (mutually exclusive with E3.S bay)
- Slot 2
- PCIe 5.0 x16 low profile, connected to CPU 2 (mutually exclusive with E3.S bay)
Networking
- Onboard
- 2 x 25GbE SFP28 (Broadcom 57414) + 1 x 1GbE RJ45 (Intel I210)
- Options
- NVIDIA ConnectX-7 (NDR200/HDR/200GbE, NDR400 InfiniBand) and ConnectX-8 adapters, with Shared I/O and Socket Direct support
Power
- Enclosure PSU
- Up to 4 x water-cooled hot-swap power conversion stations (PCS), 80 PLUS Titanium
- Input
- 380-480 Vac, 3-phase WYE; 30A per power conversion station
- Redundancy
- N+1 or N+N depending on power policy and node population
Ports
- Front/rear
- External diagnostics port, VGA, USB-C DisplayPort video, 2 x USB 3 (5 Gb/s), RJ-45 1GbE XCC management, mini-USB serial
Physical
- Tray dimensions
- 546 x 53 x 760 mm (21.5 x 2.1 x 29.9 in), 799 mm incl. water connections
- Tray weight
- 37.2 kg (82 lb)
- Enclosure (N1380)
- 540 x 572 x 1302 mm (21.3 x 22.5 x 51.2 in), 13U
- Enclosure weight
- Empty 94 kg (208 lb); fully configured with 4 PCS and 8 trays (16 nodes) 485 kg (1069 lb)
Management
- BMC
- XClarity Controller 3 (XCC3), ASPEED AST2600; optional XCC3 Premier for remote KVM/media
- Enclosure
- System Management Module (SMM3) in N1380: power, cooling and leak monitoring for chassis/tray/PCS, daisy-chain up to 99 connections
- Protocols
- IPMI 2.0, SNMP 3.0, Redfish REST API
Operating systems
- Supported & Certified
- Red Hat Enterprise Linux 9.4-10.2, SUSE Linux Enterprise Server 15 SP6/SP7/16, Ubuntu 22.04/24.04/26.04 LTS, VMware ESXi 9.1 (P-core CPUs)
- E-core CPUs
- Red Hat Enterprise Linux 9.8/10.2, SUSE Linux Enterprise Server 16, Ubuntu 24.04/26.04 LTS
- Tested
- Rocky Linux, AlmaLinux
Processors
- Intel Xeon 6990E+
- Intel Xeon 6952P
- Intel Xeon 6960P
- Intel Xeon 6966P-C
- Intel Xeon 6972P
- Intel Xeon 6979P
- Intel Xeon 6980P