LENOVO | THINKSTATION | P SERIES | WORKSTATION | RAM UPGRADE

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Memory upgrades for Lenovo's current ThinkStation P Series workstations — from the 1-litre P3 Tiny and P3 Ultra small-form-factor machines, through the P2 and P3 Gen 2 towers, up to the Xeon and Threadripper PRO towers: P5 Gen 2, P7, P8 and PX. Every listing is matched to a specific ThinkStation and the memory it actually takes — DDR5 SODIMM, UDIMM or registered RDIMM, ECC or non-ECC, at the platform's native speed — in single modules and matched kits sized for that machine's slot count. NEMIX RAM researches, matches, and compatibility-tests each module against the platform it is listed for, and backs it with a lifetime replacement warranty and US-based support.

Which ThinkStation takes which memory

P3 Tiny Gen 2 — two slots of DDR5-5600 non-ECC SODIMM, up to 128GB.

P3 Ultra SFF Gen 2 — DDR5-5600 SODIMM in ECC or non-ECC; both are listed here, so choose the one that matches your configuration.

P2 Tower Gen 2 and P3 Tower Gen 2 — four slots of DDR5-5600 UDIMM, ECC or non-ECC (Intel W880). One or two modules run at 5600 MT/s; per Lenovo, four modules run at 4800 (8GB/16GB) or 4400 (32GB). Two-module kits give you dual-channel at full speed; four-module kits give you maximum capacity.

P5 Gen 2 (Intel Xeon 6, W890) — eight slots of DDR5-6400 ECC RDIMM, up to 1TB.

P7 (Intel Xeon W-3400, W790) — eight slots of DDR5-4800 ECC RDIMM, eight channels, up to 1TB.

P8 (AMD Ryzen Threadripper PRO) — eight slots, eight channels, up to 1TB. Threadripper PRO 7000 WX systems run DDR5-4800 RDIMM; 9000 WX systems run DDR5-6400 RDIMM. Each has its own listing — check which processor your P8 was built with.

PX (dual Intel Xeon Scalable, C741) — sixteen slots, eight per processor, up to 2TB. 4th Gen Xeon Scalable runs DDR5-4800 RDIMM; 5th Gen runs DDR5-5600 RDIMM. Populate each processor in matched sets.

Kits for multi-channel platforms

The P5, P7 and P8 are 8-channel (or 4-channel on the P5) designs and the PX is 8-channel per socket: bandwidth scales with the number of channels populated, so an 8-module kit of 16GB delivers far more throughput than a single 128GB module. The RDIMM listings here go up to 8-module kits in 16GB, 32GB and 64GB modules for that reason. If you need 96GB, 128GB or 256GB modules, or a mixed configuration, contact us for a matched build.

Not covered

The ThinkStation PGX uses 128GB of LPDDR5X unified memory soldered to the NVIDIA GB10 module and cannot be upgraded. Lenovo also offers DDR5-6400 CUDIMM (P3 Tower Gen 2) and CSODIMM (P3 Tiny and P3 Ultra Gen 2) configurations; NEMIX RAM does not currently support clocked-driver DIMMs, so those configurations are not listed. The standard DDR5-5600 UDIMM and SODIMM configurations of the same machines are covered above.