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Two green DDR5 RDIMM sticks with black chips no heat spreader

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5-4800 ECC Registered RDIMM CL40 1.1V 2Rx8 Supermicro H14DST-FL memory upgrade

SKU CH-SHBA-Z7JQ8

64 GB DDR5-4800 ECC registered RDIMM kit (2×32 GB, CL40, 1.1 V, 2Rx8) validated for Supermicro H14DST-FL motherboards

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 64GB 2X32GB

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  • 64 GB capacity with two 32 GB modules for full-speed population
  • DDR5-4800 PC5-38400 speed matches the controller's rated frequency
  • CL40 latency at 1.1 V delivers stable registered ECC operation
  • 2Rx8 registered RDIMM architecture offloads the controller for full-slot reliability
  • Verified fit for Supermicro H14DST-FL with 288-pin RDIMM form factor

Exact-match DDR5-4800 kit for Supermicro H14DST-FL

This 64GB kit contains two 32GB registered ECC RDIMMs built to the DDR5-4800 (PC5-38400) standard at 1.10V with CL40 timing. The 2Rx8 organization and 288-pin form factor match the memory controller expectations of the Supermicro H14DST-FL motherboard so the system recognises full capacity at rated speed.

Registered ECC architecture and verified fitment

Registered buffering offloads the memory controller, allowing every slot to run fully populated at the rated 4800MT/s while ECC corrects single-bit errors on the fly to prevent silent data corruption. The kit is validated against the board's specific population rules, so the 2Rx8 modules install in the approved order without compatibility surprises.

DDR5-4800 interface limits

The DDR5-4800 interface caps transfer rates at 4800MT/s, so workloads that scale with higher memory bandwidth will not benefit from faster modules unless the platform also supports them. Registered DIMMs are required; unbuffered UDIMMs or SODIMMs will not function in this server board.

How it compares

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

Price $1,622.99
Pricier than about 65% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $25.36 per GB
Pricier than about 70% 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 numberMR38400-328K2
Total capacity64 GB (2 × 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
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items64 GB 2 × 32 GB DDR5 4800 MHz PC5-38400 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Will the 2Rx8 DDR5 RDIMM modules need replacement once the server reaches its maximum supported capacity?

The 2Rx8 registered design lets the memory controller address each rank independently, so the 64 GB kit can stay installed even when all slots are populated at the board's rated limit.

What limit appears first when the kit runs at DDR5-4800 CL40 under continuous load?

The CL40 latency at 4800 MT/s sets the timing boundary; sustained throughput cannot exceed the rated PC5-38400 data rate.

How much heat and power do the 1.1 V registered modules produce during all-day operation?

At 1.1 V the DDR5 RDIMMs draw minimal power and run without a heat spreader, so thermal output stays low in a fully populated server chassis.

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