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Two green DDR5 RDIMM modules with gold contacts, no heat spreaders

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 4800 CL40 ECC RDIMM Cisco UCS C220 M7

SKU CH-Z9F5-GV0SF

64 GB DDR5-4800 ECC RDIMM kit (2 × 32 GB, CL40, 1.1 V) built for Cisco UCS C220 M7 rack servers

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 64 GB capacity across two 32 GB modules for high-density server workloads
  • DDR5 4800 speed delivers 38 400 MT/s bandwidth for demanding applications
  • ECC registered RDIMM design ensures data integrity in mission-critical environments
  • 10 V operating voltage reduces power draw under heavy load
  • Validated for Cisco UCS C220 M7 rack server compatibility

System-Specific DDR5 Kit for Cisco UCS C220 M7

This 64GB kit contains two 32GB DDR5 4800 registered ECC RDIMMs built for the Cisco UCS C220 M7 rack server. It targets IT teams upgrading that exact platform with validated, 1.10V modules that carry the MR38400-314K2 part number.

DDR5 4800 Registered ECC Constraints

The DDR5 4800 standard (PC5-38400) requires a motherboard with 288-pin RDIMM slots that support registered, error-correcting modules at CL40 latency. Consumer boards and unbuffered DIMM slots cannot use this memory, and mixing with other speeds or ranks may prevent the server from posting.

1Rx4 Dual-Rank Configuration Decides Fit

Each 32GB module uses a single-rank 1Rx4 organisation, giving the kit a total of two ranks across the two sticks. The Cisco UCS C220 M7 memory population rules for this generation accept that rank count per channel; a different rank structure would change the supported capacity or speed.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $1,840.99
Pricier than about 67% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $28.77 per GB
Pricier than about 81% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineCisco Server Compatible Series Memory
Model nameCisco DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-314K2
Total capacity64 GB (2 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank1Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsCisco
In the box
Included items64 GB (2 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Should I choose the 2x32 GB kit or a single 64 GB module?

This product is sold as a matched 2x32 GB kit; using the pair ensures dual-channel operation and validated compatibility with the Cisco UCS C220 M7.

What does the 4800 MT/s rating deliver in the Cisco UCS C220 M7?

The modules run at DDR5 4800 with CL40 latency at 1.10 V, providing the standard server data rate for this platform.

How does the 288-pin DDR5 RDIMM interface limit performance?

The registered 288-pin DDR5 interface caps the kit at 4800 MT/s and CL40, which is the defined speed grade for this server memory.

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