The SR650 V2 (2021) is a enterprise server with extensive upgrade potential. This guide covers RAM, storage, and compatibility details. For more Lenovo server guides, visit our Lenovo Servers category.
SR650 V2 Specifications
| Component | Specification |
|---|---|
| Processor | Intel Xeon Scalable 3rd Gen (Ice Lake-SP) |
| Chipset | Intel C621A |
| RAM Type | DDR4-3200 ECC RDIMM / LRDIMM |
| RAM Slots | 32 DIMM slots (16 per CPU) |
| Max RAM | 4 TB (32x 128GB RDIMM) |
| Storage | NVMe / SAS / SATA hot-swap, up to 24x SFF or 12x LFF bays, ThinkSystem RAID 940-16i controller |
| Form Factor | 2U Rack |
| Release Year | 2021 |
SR650 V2 RAM Upgrade Guide
The SR650 V2 supports DDR4-3200 ECC RDIMM / LRDIMM across 32 DIMM slots (16 per CPU), for a maximum of 4 TB (32x 128GB RDIMM). This system requires ECC (Error-Correcting Code) memory for data integrity in mission-critical workloads.
Compatible RAM
- Kingston Server Premier ECC — Enterprise-grade ECC memory with proven server compatibility.
- Samsung ECC RDIMM — OEM-quality registered ECC modules used in data centres worldwide.
- Crucial ECC UDIMM/RDIMM — Reliable ECC memory with excellent compatibility across server platforms.
SR650 V2 Storage Upgrade Guide
The SR650 V2 supports NVMe / SAS / SATA hot-swap, up to 24x SFF or 12x LFF bays, ThinkSystem RAID 940-16i controller. 2U chassis allows up to 24 SFF drives. Supports GPU accelerators.
Recommended Storage
- Samsung 990 Pro NVMe — Flagship NVMe with exceptional speed and endurance for workstation use.
- WD Red Pro / WD Black SN850X — High-reliability drives suited for server and workstation environments.
- Samsung 870 EVO SATA SSD — Reliable SATA SSD with excellent endurance for server boot drives.
- Seagate IronWolf / WD Red Plus — NAS-grade HDDs rated for 24/7 operation in server environments.
Upgrade Notes
Dual CPU for all 32 DIMM slots. Ideal for virtualisation and database workloads.
Frequently Asked Questions
What type of RAM does the SR650 V2 use?
The SR650 V2 uses DDR4-3200 ECC RDIMM / LRDIMM across 32 DIMM slots (16 per CPU), supporting up to 4 TB (32x 128GB RDIMM).
Can I mix RAM sizes in the SR650 V2?
While technically possible, mixing RAM sizes is not recommended for servers. Use matched pairs or sets for optimal performance and stability.
What storage options does the SR650 V2 support?
The SR650 V2 supports NVMe / SAS / SATA hot-swap, up to 24x SFF or 12x LFF bays, ThinkSystem RAID 940-16i controller.
Is ECC RAM required for the SR650 V2?
Yes, the SR650 V2 requires ECC memory for reliable operation. Non-ECC modules will not be recognised.
Recommended Products
All links go to Amazon UK where you can check current prices and availability.
| Product | Why We Recommend It | Amazon UK |
|---|---|---|
| Kingston Server Premier ECC | Enterprise-grade ECC memory. | View on Amazon UK |
| Samsung ECC RDIMM | OEM-quality registered modules. | View on Amazon UK |
| Crucial ECC Memory | Reliable ECC with wide compatibility. | View on Amazon UK |
| Samsung 990 Pro NVMe | Flagship NVMe for workstation use. | View on Amazon UK |
| Samsung 870 EVO SATA SSD | Reliable SATA SSD for boot drives. | View on Amazon UK |
Prices and availability may vary. As an Amazon Associate, we earn from qualifying purchases.