Lenovo ThinkSystem SR950 V3
An 8-socket mission-critical rack server built from two cabled-together 4U chassis, using 4th Gen Intel Xeon Scalable Platinum H-suffix processors for very large in-memory / RAS-critical workloads (no GPU support).
Memory
- Slots
- 128 DIMM (16 per processor, 8 memory channels, 2 DPC)
- Max
- 32 TB using 128 x 256 GB 3DS RDIMM with 8 processors
- Speed
- Up to 4800 MHz at 1 DPC / 4400 MHz at 2 DPC
- Protection
- ECC, SDDC (x4 DIMMs), ADDDC (x4 DIMMs), memory mirroring
Storage
- Bays
- Up to 16 x 2.5" hot-swap SAS/SATA, or up to 16 x E3.S EDSFF PCIe 5.0 NVMe
- Max capacity
- 491.52 TB using 16 x 30.72 TB 2.5" SAS/SATA SSDs; 983.04 TB using 16 x 61.44 TB E3.S EDSFF NVMe SSDs
- Controller
- Up to 16 onboard PCIe 5.0 NVMe ports (Intel VROC RAID); 12 Gb SAS/SATA RAID adapters; 12 Gb SAS/SATA HBA (non-RAID)
- Internal boot
- 2 x M.2 NVMe drives via an M.2 adapter with integrated Marvell 88NR2241 NVMe RAID controller
Expansion
- Front slots
- Up to 6 x FHHL PCIe 5.0 x16
- Rear slots
- Up to 8 x FHHL PCIe 4.0 x16 or PCIe 5.0, plus 1 OCP 3.0 Gen4 slot
Networking
- OCP
- One dedicated OCP 3.0 SFF slot, PCIe 4.0 x16 host interface; adapters up to 25 GbE
Power
- Supplies
- 8x or 12x hot-swap redundant 1800 W AC (4-6 per 4U chassis), 80 PLUS Titanium, 220 V only (no 110 V)
- Redundancy
- N+N within each chassis
Ports
- Front
- 1 x VGA, 2 x USB 3.2 Gen 1 (5 Gb/s), 1 x USB 2.0 (XClarity Mobile), 1 x DB-9 serial (shareable with XCC), 1 x RJ-45 XClarity Controller management
- Rear
- No ports
- Internal
- M.2 boot slots, 1 x USB 3.1 (5 Gb/s)
- Video
- Embedded, 16 MB, integrated in XClarity Controller; max 1920x1200 32bpp @ 60Hz
Physical
- Dimensions
- 443 x 175 x 973 mm (17.4 x 6.9 x 38.3 in) per 4U chassis; two chassis cabled together for the 8U system
- Weight
- 50 kg (110.23 lb) maximum per 4U chassis, 100 kg (220 lb) total for both chassis
Management
- BMC
- XClarity Controller 2 (XCC2), ASPEED AST2600; dedicated front Ethernet port; optional 2nd redundant XCC2 remote port (rear PCIe slot); XCC Platinum included
- Local
- Operator panel with status LEDs; optional External Diagnostics Handset with LCD
- Suite
- XClarity One centralized infrastructure management, XClarity Integrator plugins, XClarity Energy Manager
- Security
- Chassis intrusion on top cover and front UPI cable retainer of each chassis; power-on/admin passwords; Root of Trust module (TPM 2.0, Platform Firmware Resiliency)
Operating systems
- Supported
- Microsoft Windows, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi
Processors
- Intel Xeon Platinum 8444H
- Intel Xeon Platinum 8450H
- Intel Xeon Platinum 8454H
- Intel Xeon Platinum 8460H
- Intel Xeon Platinum 8468H
- Intel Xeon Platinum 8490H