Lenovo ThinkSystem SR675 V3
3U GPU-rich rack server built on 4th/5th Gen AMD EPYC processors, supporting up to eight double- or single-wide PCIe GPUs (including NVIDIA H200/L40S) or four SXM5 GPUs with Lenovo Neptune liquid-to-air cooling, for AI training/inference and HPC workloads. Also sold as the inference-tuned SR675i V3.
Memory
- Slots
- 24 DIMM (12 per CPU), 12 memory channels per CPU, 1 DPC
- Type
- Lenovo TruDDR5 RDIMM, 3DS RDIMM and Optimized DIMMs, up to 6400 MT/s (5th Gen only) / up to 4800 MT/s (4th Gen)
- Max
- 3 TB per node with 24 x 128 GB 3DS RDIMM
- RAS
- Chipkill (x4 DIMM), ECC, patrol/redirect scrubbers, address/command parity, read/write data CRC, runtime post-package repair, failed-DIMM identification, leaky-bucket error counters
Storage
- Bays (SXM5 model)
- 4x 2.5" hot-swap NVMe or 4x EDSFF E3.S 1T hot-swap NVMe
- Bays (4-DW GPU model)
- 8x 2.5" hot-swap AnyBay (SAS/SATA/NVMe)
- Bays (8-DW GPU model)
- 6x EDSFF E1.S 5.9mm or 4x EDSFF E3.S 1T hot-swap NVMe
- M.2
- Internal adapter for up to 2 x M.2 drives, optional RAID
- Max capacity
- SXM5: 61.44 TB. 4-DW GPU: 245.76 TB (SAS SSD) or 491.52 TB (NVMe SSD). 8-DW GPU: 46.08 TB (E1.S) or 61.44 TB (E3.S)
- Controllers
- 12 Gb SAS/SATA RAID adapters; 12 Gb SAS/SATA non-RAID HBAs (JBOD only)
Graphics
- GPU support
- Up to 8x double-wide or single-wide PCIe GPU (600 W each) or 4x SXM5 GPU (700 W each) with Lenovo Neptune liquid-to-air cooling
- Supported GPUs
- NVIDIA H200, H100, L40S and other Hopper/Ada Tensor Core GPUs; NVIDIA HGX H200 4-GPU with NVLink (900 GB/s); AMD Instinct MI-series accelerators
- Video
- AST2600 BMC-integrated G200e, 16 MB, max 1920x1200 32bpp @ 60Hz
Expansion
- Slots
- Up to 14 expansion slots + 1 OCP 3.0, configuration dependent: 8x front PCIe 5.0 x16 (DW GPU), 2x front PCIe 5.0 x16 (I/O), 2x rear PCIe 5.0 x16 (riser 1), 2x rear PCIe 5.0 x16 (riser 2), 1x rear OCP 3.0 x16 (PCIe 4.0 max)
Networking
- OCP slot
- PCIe 4.0 x8/x16, supports 1/10/25 GbE 2-port and 4-port adapters; one port can share with XCC2 for Wake-on-LAN/NC-SI
- Management
- 1x RJ-45 1 GbE dedicated XCC2 port
Power
- Supplies
- Up to 4x 1U hot-swap CFFv4 AC, 80 PLUS Titanium or Platinum, 1800 W/2400 W/2600 W options, 220 V AC (240 V DC in China); minimum 2 supplies; N+N, N+0 or N+1 policies
Ports
- Front
- 1x USB 3.1 Gen 1, 1x USB 2.0 (also XCC local mgmt), external diagnostics port, VGA (not present on 8-DW GPU model with front I/O slots)
- Rear
- 3x USB 3.1 Gen 1, 1x VGA, 1x RJ-45 1 GbE (XCC2); optional DB-9 serial (installs in a slot)
Physical
- Dimensions
- 448 x 131 x 892 mm (17.6 x 5.2 x 35.1 in)
- Weight
- SXM5 model 39.5 kg (87 lb); 4-DW GPU model 36.7 kg (81 lb); 8-DW GPU model 39 kg (86 lb)
Management
- Controller
- XClarity Controller 2 (XCC2) embedded management; XCC Platinum enables remote control and other features
- Platform
- XClarity Administrator, XClarity Integrator plugins, XClarity Energy Manager; operator panel with status LEDs; External Diagnostics Handset with LCD (SXM5/4-DW GPU models only)
- Security
- Chassis intrusion switch, power-on/administrator passwords, TPM 2.0 (optional Nationz TPM in China)
Operating systems
- Certified
- Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi (incl. 9.1 factory-installed), Canonical Ubuntu
Processors
- AMD EPYC 9015
- AMD EPYC 9115
- AMD EPYC 9135
- AMD EPYC 9175F
- AMD EPYC 9255
- AMD EPYC 9275F
- AMD EPYC 9335
- AMD EPYC 9355
- AMD EPYC 9365
- AMD EPYC 9375F
- AMD EPYC 9455
- AMD EPYC 9475F
- AMD EPYC 9535
- AMD EPYC 9555
- AMD EPYC 9565
- AMD EPYC 9575F
- AMD EPYC 9655
- AMD EPYC 9645
- AMD EPYC 9745
- AMD EPYC 9825
- AMD EPYC 9845
- AMD EPYC 9124
- AMD EPYC 9174F
- AMD EPYC 9224
- AMD EPYC 9254
- AMD EPYC 9274F
- AMD EPYC 9334
- AMD EPYC 9354
- AMD EPYC 9374F
- AMD EPYC 9454
- AMD EPYC 9474F
- AMD EPYC 9534
- AMD EPYC 9554
- AMD EPYC 9634
- AMD EPYC 9654
- AMD EPYC 9184X
- AMD EPYC 9384X
- AMD EPYC 9684X
- AMD EPYC 9734
- AMD EPYC 9754