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Lenovo ThinkSystem SR650 V4 Server
Lenovo ThinkSystem SR650 V4 Server
Enterprise stock · tested · export documentation available
Lenovo ThinkSystem SR650 V4 Server Resource List
Product Overview
The Lenovo ThinkSystem SR650 V4 is a versatile 2U rack server powered by Intel Xeon 6 processors with Performance cores (formerly codenamed “Granite Rapids-SP”). It is designed to handle enterprise workloads including virtualization, databases, hybrid cloud, and analytics.
The SR650 V4 delivers significant scalability with support for up to 32 TruDDR5 DIMMs or 16 MRDIMMs, flexible storage configurations reaching up to 40x 2.5-inch drives or 32x E3.S NVMe drives, and 10x PCIe Gen5 expansion slots. Optional Lenovo Neptune cooling technology enhances thermal efficiency, supporting the platform’s high-performance components up to 350W TDP processors.
This server is engineered for modern and future AI workloads, featuring support for advanced memory technologies including MRDIMMs and CXL 2.0 memory, along with flexible GPU support for both single-width and double-width accelerators.
Technical Specifications
| Component | Specification |
|---|---|
| Form Factor | 2U rack server |
| Processor | Up to 2x Intel Xeon 6 processors with P-cores (Granite Rapids-SP); up to 86 cores per socket, 172 threads; core speeds up to 4.0 GHz; TDP up to 350W |
| Chipset | Integrated into processor (no discrete chipset) |
| Memory Slots | 32 DIMM slots with two processors (16 per processor); 16 DIMM slots when Compute Complex Neptune Core liquid cooling is used |
| Memory Types | TruDDR5 RDIMMs (16GB-256GB), MRDIMMs (32GB-64GB), CXL memory modules (96GB-128GB) |
| Memory Speed | RDIMM: up to 6400 MT/s at 1 DPC, 5200 MT/s at 2 DPC; MRDIMM: up to 8000 MT/s at 1 DPC |
| Maximum Memory | Up to 8TB using 32x 256GB 3DS RDIMMs (standard); 4TB with Compute Complex Neptune Core module |
| Memory Protection | ECC, SDDC (x4 DIMMs), ADDDC (x4 DIMMs), memory mirroring |
| Front Drive Bays | Up to 24x 2.5″ hot-swap SAS/SATA/NVMe; up to 12x 3.5″ hot-swap SAS/SATA; up to 4x 3.5″ hot-swap NVMe; up to 32x E3.S 1T hot-swap drives |
| Middle Drive Bays | Up to 8x 2.5″ hot-swap SAS/SATA or NVMe |
| Rear Drive Bays | Up to 8x 2.5″ hot-swap SAS/SATA; up to 4x 3.5″ hot-swap SAS/SATA; up to 4x 2.5″ hot-swap SAS/SATA/NVMe |
| Boot Drives | Up to 2x M.2 SATA/NVMe drives (internal non-hot-swap or front/rear hot-swap) with RAID support |
| PCIe Expansion Slots | Up to 10x PCIe Gen5 slots (varies by riser and rear drive bay configuration) |
| OCP Slots | 2x OCP 3.0 slots |
| GPU Support | Double-width: NVIDIA L40S, RTX 4500 Ada, RTX 6000 Ada, H100 NVL; Single-width: RTX 4000 Ada, L4 |
| RAID Support | Intel VROC NVMe software RAID (Standard/Premium/Boot with activation keys); Hardware RAID: RAID 545-8i, 5350-8i, 9350-8i, 9350-16i, 940-8i, 940-16i, 940-8e |
| HBA Support | ThinkSystem 4350-16i, 440-16i, 440-16e SAS/SATA HBAs; 48-port internal expander |
| Network Interface | OCP adapters via OCP 3.0 slots; Networking PCIe adapters |
| Ports (Front) | Optional 1x Mini DisplayPort; optional USB 3.2 Gen1; optional USB 3.2 Gen1 with XCC management; external diagnostics port |
| Ports (Rear) | 1x VGA; 1x USB 3.2 Gen1; optional USB 3.2 Gen1 with XCC management; 1x XCC management port (1GbE RJ-45); optional 2nd management port; optional serial port |
| Cooling | Lenovo Neptune Core and Neptune Air technology; standard, performance, and super fan options |
| Power Supply | Dual redundant AC & DC hot-plug PSUs; multiple wattages (750W-3200W depending on configuration); Platinum and Titanium efficiency ratings |
| Systems Management | Lenovo XClarity Controller 3 (XCC3); OpenBMC support; XClarity One |
| OS Support | Microsoft Windows Server, SUSE Linux, Red Hat Enterprise Linux, VMware ESXi |
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