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Green bare circuit board DDR5 RDIMM module with black chips and gold contacts

NEMIX RAM

NEMIX RAM 64GB DDR5 4800 ECC RDIMM CL40 2Rx4 1.1V memory upgrade

SKU CH-WCM7-Z0016

64 GB DDR5 ECC registered DIMM running at 4800 MHz with CL40 latency and 1.1 V operation

  • Total capacity64 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 64 GB capacity supports heavy server workloads
  • DDR5 4800 speed delivers high memory bandwidth
  • ECC registered design protects data integrity
  • 1 V operation reduces power consumption
  • Validated for SuperMicro Hyper SuperServer SYS-121H-TNR SYS-221H-TNR SYS-221H-TN24R

NEMIX RAM 64GB DDR5 4800 ECC RDIMM

This 64GB DDR5 registered DIMM targets Supermicro server and workstation platforms. It delivers ECC protection and registered signalling for mission-critical environments. The single-module design suits upgrades or expansion in qualified systems. It operates at 1.1V with CL40 latency.

Sustained load behaviour with registered ECC

Registered buffering reduces electrical load on the memory controller during continuous operation. ECC corrects single-bit errors to maintain data integrity under heavy workloads. Samsung, Micron or Hynix major OEM chips provide stable supply for 24/7 deployment. The module is stress-tested under load for reliability.

2Rx4 organisation decides fit

The dual-rank by four configuration determines compatibility with specific Supermicro Hyper SuperServer models including SYS-121H-TNR SYS-221H-TNR and SYS-221H-TN24R. Verify the motherboard qualified-vendor list for 2Rx4 support before purchase. Other rank layouts will not function correctly in these platforms.

How it compares

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

Price $1,805.99
Pricier than about 67% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $28.22 per GB
Pricier than about 79% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineSuperMicro Server/Workstation Compatible Series Memory
Model nameSuperMicro DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-924K1
Total capacity64 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 systemsSupermicro
In the box
Included items64 GB (1 × 64 GB) DDR5 4800 MHz PC5-38400 2Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

Does the 1.10V DDR5 module run cooler than higher-voltage DIMMs?

The 1.10V operating voltage reduces power draw and heat output, helping the registered DIMM stay cooler during continuous server workloads.

Must the host system have DDR5 RDIMM slots and ECC support?

Yes, the 288-pin DDR5 RDIMM requires a motherboard with registered DDR5 slots and ECC capability, such as the listed Supermicro SYS-121H-TNR or SYS-221H-TNR platforms.

Will the CL40 4800MT/s module downclock to match older DDR5 4800 DIMMs already installed?

The module operates at DDR5 4800 with CL40; when mixed with identical-speed DIMMs the memory controller runs all sticks at the common 4800MT/s rate and tightest shared timings.

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