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Two green DDR5 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM CSE-GS7A-000NBP3 64GB (2x32GB) DDR5 4800 CL40 ECC RDIMM memory upgrade

SKU CH-1T1W-5KKK8 MPN CSE-GS7A-000NBP3

64 GB dual-channel DDR5 kit with ECC registered RDIMMs running at 4800 MT/s and CL40 latency

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 64 GB total capacity from two 32 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered design protects data integrity in servers
  • 10 V operation reduces power draw under load
  • Validated for Supermicro SuperWorkstation SYS-751A-I compatibility

SuperMicro SYS-751A-I memory kit

This 64 GB kit contains two 32 GB DDR5 4800 RDIMM modules built for the SuperMicro SuperWorkstation SYS-751A-I and compatible X13DAI-T motherboards. Registered ECC operation and 1.1 V voltage match the platform's server-class requirements.

Upgrade from smaller or slower DIMMs

Replacing lower-capacity or non-ECC memory with this registered kit adds error correction and doubles density per slot, which matters for virtualization hosts and data-intensive workloads. The jump is worth it when your current configuration hits capacity limits or lacks ECC protection.

Straightforward DIMM installation

Modules seat in standard 288-pin DDR5 slots without heat spreaders to interfere with tight clearances. Common issues include mixing registered and unbuffered DIMMs or populating slots in the wrong order, so follow the motherboard manual's population rules.

How it compares

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

Price $1,926.99
Pricier than about 68% 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 $30.11 per GB
Pricier than about 86% 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 numberMR38400-314K2
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
Heat spreaderNo
Memory rank1Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items64 GB (2 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Will the 288-pin DDR5 RDIMM modules fit the SuperMicro SYS-751A-I workstation?

Yes, this kit is built for the SuperMicro SuperWorkstation SYS-751A-I and the X13DAI-T motherboard, using the standard 288-pin DDR5 RDIMM form factor required by those systems.

What is the correct way to install the two 32 GB sticks, and what step do people often miss?

Power down the workstation, open the chassis, align each module’s key notch with the slot, press firmly until both retaining clips click, then verify in BIOS that both 32 GB modules are recognised at 4800 MT/s with ECC active.

When will the ECC RDIMM kit need replacement or maintenance?

The modules have no heat spreader and no moving parts, so no scheduled maintenance is required; they should run for the life of the server unless a module fails, in which case the lifetime replacement warranty covers a swap.

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