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Four green 288-pin DDR5 RDIMM modules with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 4800 CL40 ECC RDIMM SuperMicro Server memory upgrade

SKU CH-7BP5-GP3P1

Four 32 GB DDR5 ECC registered modules totalling 128 GB at 4800 MT/s CL40 for SuperMicro GPU SuperServer SYS-821GE-TNHR SYS-821GV-TNR SYS-421GE-TNRT

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 128 GB total capacity across four 32 GB modules
  • DDR5 4800 speed with CL40 latency for server workloads
  • ECC registered design detects and corrects data errors
  • 10 V operation reduces power draw in dense configurations
  • Validated for SuperMicro SYS-821GE-TNHR SYS-821GV-TNR SYS-421GE-TNRT

SuperMicro DDR5 4800 ECC RDIMM kit

This 128 GB kit contains four 32 GB DDR5 4800 registered DIMMs with ECC and CL40 latency. It is built for SuperMicro GPU SuperServer models such as the SYS-821GE-TNHR, SYS-821GV-TNR and SYS-421GE-TNRT. The modules operate at 1.1 V and use a 1Rx4 organisation on major OEM chips.

Sustained load behaviour

Registered buffering and on-die ECC keep data integrity intact during continuous server workloads. The 4800 MT/s rate and CL40 timing deliver steady throughput for virtualisation, GPU compute and database tasks without the errors that unbuffered memory can introduce.

Installation notes

Each 288-pin RDIMM slots into the server motherboard like standard DDR5 memory. The kit is validated for the listed SuperMicro systems, so mixing with different speeds, ranks or unbuffered modules is not supported. Always follow the system manual for correct population order.

How it compares

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

Price $3,901.99
Pricier than about 76% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $30.48 per GB
Pricier than about 87% 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 numberMR38400-314K4
Total capacity128 GB (4 × 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 systemsSupermicro
In the box
Included items128 GB (4 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How much heat and power will the 1.1V DDR5 4800 modules generate when running continuously?

Each module operates at 1.10V standard DDR5 voltage. No heat spreaders are fitted, so airflow across the 288-pin RDIMM sticks is required for cooling.

What motherboard slots and CPU memory controller must my SuperMicro server provide for this kit to function?

The server needs four DDR5 RDIMM slots supporting 4800 MT/s registered ECC memory and a CPU memory controller that accepts 1Rx4 organisation.

Can I mix these 32GB 1Rx4 CL40 RDIMMs with different-capacity DDR5 registered ECC modules already installed?

Mixing ranks or capacities is not recommended; the kit is validated as a matched 4 x 32GB set for the listed SuperMicro SYS-821 and SYS-421 models.

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