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Four green DDR5 RDIMM sticks without heat spreaders in a kit box

NEMIX RAM

NEMIX RAM MR44800-724K4 512GB 4x128GB DDR5 5600 CL46 ECC RDIMM memory upgrade

SKU CH-MDRS-M1WPF

512 GB DDR5 5600 ECC RDIMM kit with four 128 GB modules, CL46 latency, 1.1 V, 2Rx4 registered design validated for Supermicro H14SHM motherboards

  • 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

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  • 512 GB total capacity from four 128 GB modules
  • DDR5 5600 speed with CL46 latency at 1.1 V
  • Registered ECC design prevents data errors under load
  • 288-pin RDIMM form factor built for Supermicro H14SHM
  • 2Rx4 rank layout matches server memory controller expectations

Exact-match server kit

This 512GB kit contains four 128GB DDR5-5600 RDIMM modules built to the exact rank, voltage and timing the Supermicro H14SHM motherboard expects. Registered ECC architecture offloads the memory controller so every slot runs fully populated at rated speed while correcting single-bit errors on the fly.

Replaces mixed or undersized DIMMs

The jump is worth it when your current configuration uses smaller capacities, mixed ranks or unbuffered modules that prevent full population or force downclocking. This kit delivers the precise 2Rx4 1.1V CL46 specification required for stable operation at maximum supported density.

Suits H14SHM builders at scale

Ideal for administrators populating all available slots with validated Registered ECC memory for production workloads. Not for systems that require UDIMM or SODIMM form factors, boards limited to lower maximum capacities, or configurations that cannot accept 2Rx4 registered modules.

How it compares

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

Price $17,224.99
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 $33.64 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 numberMR44800-724K4
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 rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items512 GB 4 × 128 GB DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Will the 288-pin DDR5 RDIMM modules fit the Supermicro H14SHM motherboard slots?

Yes, the kit uses 288-pin DDR5 RDIMM form factor, which is the exact slot type the Supermicro H14SHM requires. UDIMM or SODIMM modules will not fit or work in this board.

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

Install all four modules in the sequence specified in the Supermicro H14SHM manual; the board has specific DIMM population rules for full-capacity operation with 2Rx4 registered DIMMs.

Do these modules have a heat spreader that could need cleaning or replacement?

No, the modules are built without a heat spreader, so there is no spreader to clean, re-seat, or replace during the product's lifetime.

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