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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 768GB 12x64GB DDR5 4800 CL40 2Rx4 ECC RDIMM Supermicro H13DSH memory upgrade

SKU CH-3G29-B6KC0

A 768GB DDR5-4800 ECC RDIMM kit of twelve 64GB modules at CL40 and 1.1V, built to the Supermicro H13DSH's exact rank, voltage and timing requirements so every slot runs fully populated at rated speed

  • Total capacity768 GB (12 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 768GB 12X64GB

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  • 768 GB total capacity from twelve 64 GB modules
  • DDR5 4800 speed with CL40 latency at 1.1 V
  • ECC and registered design prevents data corruption under full load
  • 2Rx4 dual-rank organisation matches Supermicro H13DSH population rules
  • 288-pin RDIMM form factor fits the motherboard slots exactly

Exact-match upgrade kit

This 768 GB kit delivers twelve 64 GB DDR5 RDIMMs rated at 4800 MT/s with CL40 latency and 1.10 V operation. Registered ECC architecture with 2Rx4 organisation meets the Supermicro H13DSH memory controller requirements for full-capacity recognition at rated speed.

Sustained-load behaviour

Registered buffering reduces electrical load on the memory controller so all twelve slots remain stable when fully populated under continuous server workloads. ECC corrects single-bit errors in real time, preventing silent data corruption and unplanned reboots during extended operation.

DDR5 interface limits

The 288-pin DDR5 RDIMM form factor is required; UDIMM or SODIMM modules will not fit or function. Maximum supported capacity, approved population order and BIOS revision dependencies are defined by the motherboard manual and must be verified before installation.

How it compares

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

Price $21,015.99
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 $27.36 per GB
Pricier than about 76% 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 numberMR38400-924K12
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
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items768 GB 12 × 64 GB DDR5 4800 MHz PC5-38400 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

How much heat or power will the 12 DDR5 RDIMM modules draw when the server runs continuously?

Each module operates at 1.10 V, and the registered ECC design keeps the memory controller load low even with all 12 slots populated.

What motherboard and slot type must already be in the system for this 768 GB kit to function?

A Supermicro H13DSH motherboard with 288-pin DDR5 RDIMM slots is required; UDIMM or SODIMM boards will not accept these modules.

Will the CL40 2Rx4 modules work alongside any older DDR5 RDIMMs I keep installed?

Mixing ranks, speeds or timings can prevent the board from training at 4800 MT/s; the manual specifies exact population rules for full-capacity operation.

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