RAM & Storage Compatibility for Lenovo ThinkStation P5
The Lenovo ThinkStation P5 is a Tower Workstation supporting Intel Xeon W-2400 processors. It uses ECC DDR5 RDIMM memory across 8 DIMM slots, with a maximum capacity of 512GB at 4800 MHz. ECC (Error-Correcting Code) memory is required for data integrity in mission-critical workloads.
Memory Specifications
| Specification | Details |
|---|---|
| Memory Type | ECC DDR5 RDIMM |
| DIMM Slots | 8 |
| Max Capacity | 512GB |
| Speed | 4800 MHz |
| CPU Support | Intel Xeon W-2400 |
| Form Factor | Tower Workstation |
| M.2 Slots | 4 |
Recommended Memory
Best ECC RAM: Samsung DDR5-4800 RDIMM 32GB
Server-grade ECC RDIMM with Samsung B-die for maximum reliability. Tested compatible with Lenovo systems.
Best Value: Kingston Server Premier DDR5-4800 ECC RDIMM 32GB
Cost-effective server memory backed by Kingston’s lifetime warranty and server compatibility testing.
Storage Options

The Lenovo ThinkStation P5 has 4 M.2 slots for NVMe SSDs, plus multiple SATA and SAS ports for traditional drives and RAID arrays.
Best Enterprise SSD: Samsung PM9A3 960GB NVMe
Enterprise-grade NVMe SSD with power-loss protection, high endurance, and consistent performance under heavy workloads.
Frequently Asked Questions
What type of RAM does the Lenovo ThinkStation P5 use?
The Lenovo ThinkStation P5 uses ECC DDR5 RDIMM at 4800 MHz across 8 DIMM slots. ECC memory is required — standard desktop RAM will not work.
What is the maximum RAM for the Lenovo ThinkStation P5?
The maximum supported RAM is 512GB across 8 slots.
Related Lenovo Upgrade Guides
- Lenovo ThinkStation P360 Tower
- Lenovo ThinkStation P8
- Lenovo ThinkStation PX
- Lenovo ThinkStation P920
- Lenovo ThinkStation P620
- Lenovo Upgrade Guide
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