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Six green DDR5 RDIMM modules in a row, no heat spreaders

NEMIX RAM

NEMIX RAM 384GB 6x64GB DDR5 4800 CL40 1.1V 2Rx4 ECC RDIMM Supermicro H13SRH memory upgrade

SKU CH-4RHN-DREG2

A 384 GB DDR5 ECC registered memory kit of six 64 GB modules running at 4800 MHz CL40 and 1.1 V, validated for the Supermicro H13SRH motherboard

  • Total capacity384 GB (6 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 384GB 6X64GB

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Speed 4800MHz

  • 384GB capacity across six 64GB modules for maximum server density
  • DDR5-4800 speed with CL40 latency matching controller expectations
  • Registered ECC architecture corrects single-bit errors preventing silent data corruption
  • 1V operation at 2Rx4 rank configuration for full-slot stability
  • 288-pin RDIMM form factor verified for Supermicro H13SRH motherboard

Exact-match upgrade for Supermicro H13SRH

This 384GB kit delivers six 64GB DDR5 4800 modules built to the registered ECC specification the board expects. The 2Rx4 organisation, 1.10V operating voltage and CL40 timing match the controller requirements so the full capacity is recognised at rated speed. It is intended for administrators who need maximum memory density in a validated configuration.

Registered RDIMM form factor with ECC

Each module uses the 288-pin registered design that offloads the memory controller, allowing all slots to run fully populated without signal degradation. On-die ECC corrects single-bit errors in real time, preventing silent data corruption and unplanned reboots in production workloads. No heat spreaders are fitted, so airflow in dense server chassis remains unimpeded.

Six-module kit ready for population rules

The package contains the complete 6x64GB set, eliminating the need to source individual sticks and reducing the risk of mixed-rank installations. Before installation, consult the motherboard manual for the approved DIMM population order and maximum supported capacity per channel. Lifetime replacement coverage and US-based technical support are included.

How it compares

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

Price $9,302.99
Pricier than about 86% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (6 × 64 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $24.23 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 lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR38400-924K6
Total capacity384 GB (6 × 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
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items384 GB 6 × 64 GB DDR5 4800 MHz PC5-38400 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

What DDR5 speed and latency does this 384GB kit run at?

The kit operates at DDR5 4800 (PC5 38400) with CL40 CAS latency at 1.10V, the exact speed and timing the Supermicro H13SRH memory controller expects for full-capacity recognition.

What physical slot and form factor must the motherboard provide for these modules?

The motherboard needs six 288-pin DDR5 RDIMM slots; this kit uses registered 2Rx4 DIMMs, not UDIMM or SODIMM, and the H13SRH population rules must be followed.

What is the correct installation order for all six DIMMs on the H13SRH?

Consult the Supermicro H13SRH manual for the approved DIMM population sequence; installing modules in the wrong slot order is the step most often missed and can prevent the system from posting at full 384GB capacity.

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