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Four green DDR5 RDIMM sticks in anti-static tray

NEMIX RAM

NEMIX RAM 512GB (4x128GB) DDR5 5600 CL46 4Rx4 ECC RDIMM Supermicro X14SDV-32C-SP3F memory upgrade

SKU CH-XEHH-N02S0

A 512 GB kit of four 128 GB DDR5 5600 CL46 4Rx4 ECC registered RDIMMs validated for the Supermicro X14SDV-32C-SP3F motherboard

  • Total capacity512 GB (4 × 128 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 512GB 4X128GB

  • 512 GB total capacity across four 128 GB modules enables maximum memory density
  • DDR5 5600 speed with CL46 latency delivers rated bandwidth for server workloads
  • Registered ECC design corrects single-bit errors and supports full population stability
  • 10 V operation matches the motherboard's memory-controller voltage requirement
  • 288-pin RDIMM form factor fits the Supermicro X14SDV-32C-SP3F memory slots exactly

Capacity and purpose

This 512GB kit delivers four 128GB DDR5 RDIMMs built for the Supermicro X14SDV-32C-SP3F motherboard. It targets administrators who must run every memory slot at full population without stability compromises.

Upgrade path

The kit replaces partial or lower-capacity DDR5 configurations when the workload demands the full 512GB ceiling this board supports. The jump is worth it when virtualization density or in-memory databases exceed the headroom of smaller kits.

Installation notes

Registered ECC modules seat like standard 288-pin RDIMMs but the board enforces a strict population order documented in its manual. Skipping that order or mixing ranks is the most common cause of a no-post condition.

How it compares

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

Price $17,609.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (4 × 128 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $34.39 per GB
Pricier than about 90% 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 numberMR44800-744K4
Total capacity512 GB (4 × 128 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
ECC supportYes
Buffer typeRegistered
Memory rank4Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items512 GB 4 × 128 GB DDR5 5600 MHz PC5-44800 4Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

5 more in the same range

Questions about this item

Will the 288-pin DDR5 RDIMM modules fit the Supermicro X14SDV-32C-SP3F motherboard slots?

Yes, the kit uses the 288-pin Registered DDR5 form factor that the Supermicro X14SDV-32C-SP3F requires; it is not a UDIMM or SODIMM, so it matches the board's physical slot keying exactly.

What population order should I follow when installing the four 128 GB 4Rx4 modules?

Install the modules in the sequence specified by the Supermicro X14SDV-32C-SP3F manual, typically filling the primary channel slots first, to ensure the memory controller recognises the full 512 GB at DDR5 5600 speed.

Do the modules need active cooling or heat-spreader maintenance over time?

The modules have no heat spreader and operate at the standard 1.10 V; normal chassis airflow is sufficient, and no periodic cleaning or replacement of thermal interfaces is required.

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