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Four green DDR5 RDIMM modules with gold contacts and black chips, no heat spreaders

NEMIX RAM

NEMIX RAM DDR5 5600 ECC RDIMM 256GB (4×64GB) CL46 1.1V 2Rx4 Supermicro H14DSH memory upgrade

SKU CH-298Y-VMH5T

256 GB DDR5 ECC RDIMM kit with four 64 GB modules running at 5600 MHz CL46 for the Supermicro H14DSH motherboard

  • Total capacity256 GB (4 × 64 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 256GB 4X64GB

Show 30 more
  • 256 GB total capacity from four 64 GB modules
  • DDR5 5600 speed with PC5-44800 bandwidth for server workloads
  • ECC and registered design corrects errors and stabilises full-slot populations
  • CL46 latency at 1.1 V matches controller expectations
  • 288-pin RDIMM form factor verified for Supermicro H14DSH motherboard

Precision upgrade for Supermicro H14DSH

This 256GB kit delivers four 64GB DDR5 5600 RDIMM modules built to the exact rank, voltage and timing the H14DSH memory controller expects. Registered ECC architecture ensures full-capacity recognition across all populated slots without down-clocking. It targets administrators who need guaranteed compatibility rather than trial-and-error qualification.

Thermals power and acoustics

Operating at 1.10V with no heat spreader, the modules rely on chassis airflow for cooling and add negligible acoustic load. Registered buffering reduces electrical load on the memory controller, helping keep system power draw predictable during normal operation. The low-voltage DDR5 design supports dense population without exceeding typical server thermal envelopes.

Sustained load behavior

Under continuous workloads the Registered ECC design maintains signal integrity across all 288 pins while correcting single-bit errors on the fly. CL46 latency and 2Rx4 organisation remain stable when every slot is filled, preventing the silent data corruption that can trigger unplanned reboots. The kit is validated for full-capacity, full-speed operation in the specified platform.

How it compares

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

Price $7,426.99
Pricier than about 83% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (4 × 64 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $29.01 per GB
Pricier than about 82% 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 numberMR44800-924K4
Total capacity256 GB (4 × 64 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 items256 GB 4 × 64 GB DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install the 288-pin DDR5 RDIMM modules in the Supermicro H14DSH, and which step is commonly missed?

Power down and unplug the server. Open the chassis, locate the DIMM slots, and follow the motherboard manual’s exact population sequence for the 4×64 GB kit. The step most often missed is verifying the prescribed slot order so all 256 GB are recognized at DDR5-5600.

What maintenance or replacement will the 2Rx4 registered ECC RDIMMs need over time?

The modules have no moving parts and require no scheduled maintenance. ECC corrects single-bit errors automatically. Replace a module only if the system logs uncorrectable errors or a DIMM fails POST, at which point the lifetime replacement warranty covers a swap.

What limit appears first when the 1.1 V CL46 kit runs sustained workloads on the H14DSH?

The registered buffer and ECC logic keep electrical loading stable across all four slots, so the first bound you hit is the DDR5-5600 data rate and CL46 timing ceiling defined by the memory controller — not thermals, as the modules ship without heat spreaders.

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