256GB (2X128GB) DDR5 4800MHz PC5-38400 4Rx4 1.1V CL40 288-PIN ECC Registered RDIMM NEMIX RAM Server Memory KIT
Bottom line: The 256GB (2X128GB) DDR5 4800MHz PC5-38400 4Rx4 1.1V CL40 288-PIN ECC is a specs-and-price decision rather than a crowd-consensus one in the memory (ram) category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
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Pros & Cons
Pros
- ✓ Backed by NEMIX RAM's warranty and support channels
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
SpecPicks Verdict
SpecPicks scored 256GB (2X128GB) DDR5 4800MHz PC5-38400 4Rx4 1.1V CL40 288-PIN ECC… using a rating × review-volume × price-fit model applied to published specs and reviews across the memory (ram) category. NEMIX RAM's memory (ram) lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for memory (ram) of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- EXACT-MATCH UPGRADE — 256GB (2X128GB) kit DDR5-4800 (PC5-38400), 4Rx4 Registered ECC, 1.1V, CL40, 288-pin. The precise rank, voltage, and timing your server's memory controller expects, so it's recognized at full capacity and runs at its rated speed.
- VERIFIED FITMENT — Compatible with Sapphire Rapids, Xeon Scalable, PowerEdge, ProLiant, ThinkSystem, Supermicro. Spec-matched to your board's memory-population rules.
- ENTERPRISE STABILITY — Registered (buffered) architecture offloads the memory controller so every slot runs fully populated at full capacity, while ECC catches and corrects single-bit errors on the fly — stopping silent data corruption and unplanned reboots before they reach production.
- CHECK YOUR CONFIG — Server and motherboard memory support varies by model. Consult your system or motherboard manual for supported capacities, approved DIMM population order, and installation steps before purchase.
- LIFETIME SUPPORT — Backed by a lifetime replacement warranty and free US-based technical support.
Full Specifications
| Brand | NEMIX RAM |
|---|---|
| Voltage | 1.1 volts |
| RAM Size | 256 GB |
| Unit Count | 2 Count |
| Form Factor | RDIMM |
| Memory Speed | 4800 MHz |
| Number of Pins | 288 |
| Memory Generation | DDR5 |
| Compatible Devices | AI READY Servers/Motherboards, DDR5 ECC RDIMM Servers/Motherboards/Workstations/Nodes, Major Brand Servers Built by Dell, HPE, SuperMicro, Lenovo + More, OEM Factory Direct Pre-Installed Memory |
| Memory Form Factor | DIMM |
| Additional Features | Compatible with All Major Brand Servers and Workstations |
| Computer Memory Size | 256 GB |
| Warranty Description | Lifetime Replacement Warranty |
| RAM Memory Technology | DDR5 RDIMM |
| Column Address Strobe Latency | 40 Nanowatts |
Ready to buy?
256GB (2X128GB) DDR5 4800MHz PC5-38400 4Rx4 1.1V CL40 288-PIN ECC Registered RDIMM NEMIX RAM Server Memory KIT is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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