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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 768GB 12x64GB DDR5 4800 CL40 ECC RDIMM Cisco UCS X210c M7 memory upgrade

SKU CH-2ZQN-KJJY5

A 768GB registered DDR5 kit with twelve 64GB modules at 4800MHz CL40 and 1.1V for Cisco UCS X210c M7 compute nodes

  • Total capacity768 GB (12 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 768 GB total capacity across 12 modules for large-scale workloads
  • DDR5 4800 speed with CL40 latency for responsive server performance
  • ECC registered RDIMM design protects data integrity in critical environments
  • 1 V operation reduces power draw per 64 GB module
  • Validated compatibility with Cisco UCS X210c M7 compute nodes

Cisco UCS X210c M7 memory kit

This 768GB kit contains twelve 64GB DDR5 4800 ECC RDIMM modules built for the Cisco UCS X210c M7 compute node. It targets administrators who need maximum registered memory capacity in that specific platform. Each module runs at 1.1V with CL40 latency and 2Rx4 organisation. The kit is validated for the named Cisco system and uses major OEM DRAM.

Thermals and power at DDR5 4800

Registered DDR5 modules at 4800 MT/s and 1.1V draw modest power per DIMM, so total consumption scales with the twelve-module population. The modules have no heat spreaders, relying on the chassis airflow designed for the X210c M7. Under typical server workloads the memory subsystem stays within the node's thermal envelope without requiring additional cooling.

Build and daily handling

The 288-pin RDIMM form factor fits the compute node's memory slots directly. Twelve modules fill the available channels for maximum bandwidth and capacity. Registered signalling and ECC protect data integrity in mission-critical workloads. The kit ships as a matched set to simplify qualification and deployment in the target Cisco platform.

How it compares

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

Price $19,080.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 768 GB (12 × 64 GB)
Higher than about 92% of the 20,941 comparable items (median 32 GB).
Price per GB $24.85 per GB
Pricier than about 69% 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 numberMR38400-924K12
Total capacity768 GB (12 × 64 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 rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsCisco
In the box
Included items768 GB (12 × 64 GB) DDR5 4800 MHz PC5-38400 2Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How do I install the 12 DDR5 4800 RDIMMs in the Cisco UCS X210c M7, and what step is often missed?

Power down the node, open the chassis, align each 288-pin module with its slot, press firmly until the ejector tabs click, then verify in BIOS that all 768 GB are detected at 4800 MT/s; the step often missed is seating every module fully so the tabs lock on both sides.

What maintenance or replacement will this 12 x 64 GB ECC registered kit need over time?

The modules have no heat spreaders and no moving parts, so no routine maintenance is required; if a DIMM fails, replace the single 64 GB RDIMM — ECC corrects single-bit errors, but a persistent multi-bit fault means that module must be swapped.

What limit appears first when the 768 GB kit runs sustained workloads at 1.1 V?

The primary limit is thermal — without heat spreaders, continuous heavy traffic can raise DIMM temperatures until the memory controller throttles speed to protect data integrity at the rated CL40 latency.

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