OWC
OWC 256GB (4x64GB) DDR5 5600MHz ECC RDIMM 2Rx4 288-pin Memory RAM
Bottom line: The OWC 256GB DDR5 5600MHz ECC RDIMM 2Rx4 288-pin Memory RAM 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 OWC'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 OWC 256GB DDR5 5600MHz ECC RDIMM 2Rx4 288-pin Memory RAM using a rating × review-volume × price-fit model applied to published specs and reviews across the memory (ram) category. OWC'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
- ECC REGISTERED UPGRADE: This type of memory is used in Workstations and Servers. It will NOT be compatible with standard desktop computers. Also, it cannot be mixed with UNBUFFERED -or- ECC LOAD REDUCED memory.
- OWC 256GB UPGRADE: Consists of 4pcs of 64GB DDR5 5600 PC5-44800 CL46 2Rx4 288-pin 1.1V ECC Registered DIMM Memory RAM Module Upgrade Kit for Select Workstations or Servers.
- 100% COMPLIANT: JEDEC-Standard and ROHS Compliant. Warranty-Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs.
- MAXIMIZE YOUR SERVER: With OWC's ECC Registered Server Memory, you will extend the life of your old infrastructure or save money when building a new one.
- INDUSTRY LEADING: Consumer-friendly Advanced Replacement Program and Limited Lifetime Warranty, which includes Free Tech Support by Other World Computing.
Full Specifications
| Brand | OWC |
|---|---|
| Voltage | 1.1 volts_of_direct_current |
| RAM Size | 256 GB |
| Model Name | OWC DDR5 256GB ECC Registered RDIMM |
| Unit Count | 4 Count |
| Form Factor | Workstation Server |
| Memory Speed | 5600 MHz |
| Model Number | OWC5R6D52R4256S-B973-SF |
| 100% COMPLIANT | JEDEC-Standard and ROHS Compliant. Warranty-Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs. |
| Number of Pins | 288 |
| Mfr Part Number | OWC5R6D52R4256S-B973-SF |
| Number of Items | 4 |
| INDUSTRY LEADING | Consumer-friendly Advanced Replacement Program and Limited Lifetime Warranty, which includes Free Tech Support by Other World Computing. |
| Memory Generation | DDR5 |
| Compatible Devices | Workstation Server |
| Data Transfer Rate | 5600 MHz |
| Memory Form Factor | RDIMM |
| Additional Features | Name Brand Components |
| Computer Memory Size | 256 GB |
| MAXIMIZE YOUR SERVER | With OWC's ECC Registered Server Memory, you will extend the life of your old infrastructure or save money when building a new one. |
Ready to buy?
OWC 256GB (4x64GB) DDR5 5600MHz ECC RDIMM 2Rx4 288-pin Memory RAM 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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