UCS-MR64G2RE3: Cisco 64GB DDR5-5600 RDIMM 2Rx4 (32Gb)
Also listed as: UCS-MR64G2RE3=
Cisco UCS-MR64G2RE3 is listed as Cisco 64GB DDR5-5600 RDIMM 2Rx4 (32Gb). It is a memory module that the vendor documents for Cisco UCS C220 M7, Cisco UCS C240 M7 show as an orderable option. Spares are ordered as UCS-MR64G2RE3=. Check the exact model and generation before buying, because option lists differ between product generations.
Specifications
| Part number | UCS-MR64G2RE3 |
|---|---|
| Brand | Cisco |
| Type | Memory |
| Other numbers | UCS-MR64G2RE3= |
| Capacity (GB) | 64 |
| Speed | DDR5-5600 |
| Rank width | 2Rx4 |
| Form factor | RDIMM |
About the UCS-MR64G2RE3
Cisco 64GB DDR5-5600 RDIMM 2Rx4 (32Gb) is sold by Cisco under product ID UCS-MR64G2RE3; the same item ordered as a spare carries the suffix = (UCS-MR64G2RE3=). It is a memory module in the Cisco option range and appears in the ordering or configuration tables of the vendor documents cited in the sources. Key figures taken from the listing: capacity gb 64, speed DDR5-5600, rank width 2Rx4, form factor RDIMM. The product ID is the number brokers and buyers search for, so match it exactly rather than by capacity or description alone.
Compatibility
The Cisco documents cited in the sources list UCS-MR64G2RE3 as an option for Cisco UCS C220 M7, Cisco UCS C240 M7. That listing is the only compatibility claim recorded here: the part is not assumed to fit other generations or other product lines of the same brand. Firmware, software, slot, backplane and controller requirements are set out in the vendor documentation for the specific product, and the vendor's compatibility tool should be checked before ordering a second-hand unit.
Buying used
Check that module type, speed, rank and capacity match the product ID, and that the label carries the Cisco part number rather than only the original maker's label. Run a memory test or check the server inventory after fitting it, since second-hand modules are not always tested.
Fits these models
Check compatibility with Cisco
Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that Cisco has tested with the Cisco UCS-MR64G2RE3.
- Compatibility Cisco UCS Hardware Compatibility List
- Compatibility Cisco Optics-to-Device Compatibility Matrix
- Support Cisco Support and Downloads
Buying or selling UCS-MR64G2RE3?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- Cisco UCS C240 M7 SFF Rack Server Spec Sheet, checked 2026-10-28
- Cisco UCS C220 M7 SFF Rack Server Spec Sheet, checked 2026-10-28