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

NEMIX RAM

NEMIX RAM DDR5 5600 ECC RDIMM 768GB 6x128GB CL46 1.1V Supermicro H14DSH memory upgrade

SKU CH-XG9Z-6ABEB

A 768 GB DDR5 kit of six 128 GB registered ECC modules running at 5600 MHz with CL46 latency and 1.1 V, built for the Supermicro H14DSH motherboard

  • Total capacity768 GB (6 × 128 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 768GB 6X128GB

Show 30 more
  • 768 GB total capacity from six 128 GB modules for dense server workloads
  • DDR5-5600 PC5-44800 speed delivers rated bandwidth without down-clocking
  • CL46 CAS latency at 1.1 V matches the memory controller timing table
  • Registered ECC RDIMM architecture corrects single-bit errors and supports full population
  • 288-pin 2Rx4 form factor verified for Supermicro H14DSH motherboard compatibility

Exact-match upgrade kit

This 768 GB kit contains six 128 GB DDR5-5600 RDIMMs built to the CL46 1.1 V specification that the Supermicro H14DSH memory controller expects. Registered ECC architecture allows every slot to be populated at full rated speed without signal degradation. Modules arrive without heat spreaders for standard server airflow.

Sustained-load behaviour

Registered buffering offloads the memory controller so all six channels remain stable during continuous database or virtualization workloads. ECC corrects single-bit errors on the fly, preventing silent data corruption that would otherwise force unplanned reboots. The 2Rx4 organisation maintains bandwidth across the full 768 GB capacity.

Thermals and power

Operating at 1.1 V keeps per-module power draw low inside dense chassis configurations. Bare DRAM packages rely on directed server airflow rather than onboard spreaders, so noise stays at the level of the system fans. The DDR5 voltage regulator on each module manages local conversion without adding audible components.

How it compares

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

Price $25,582.99
Pricier than about 92% of the 21,161 comparable items (median $397.99).
Total capacity 768 GB (6 × 128 GB)
Higher than about 92% of the 20,941 comparable items (median 32 GB).
Price per GB $33.31 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 numberMR44800-724K6
Total capacity768 GB (6 × 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 items768 GB 6 × 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

How much heat and power should I expect from the six 128 GB DDR5 5600 RDIMMs running at 1.10 V all day?

Each module operates at the standard DDR5 voltage of 1.10 V with no heat spreader; the registered design reduces electrical load on the memory controller, so total power draw scales with the 768 GB capacity at 5600 MT/s but exact wattage depends on your server's workload and airflow.

What must my Supermicro H14DSH motherboard already provide for this 6 x 128 GB kit to be recognised at full speed?

The board needs six free 288-pin DDR5 RDIMM slots wired for 2Rx4 registered ECC modules, a BIOS that supports 768 GB total capacity at 5600 MT/s (PC5-44800), and the correct population order specified in the Supermicro manual.

Will these CL46 2Rx4 RDIMMs work alongside any older DDR5 DIMMs I keep in the same H14DSH system?

Mixing ranks, latencies or capacities can force the memory controller to down-clock or disable ECC; for stable operation populate all six channels with this matched 2Rx4 CL46 kit and remove any dissimilar modules.

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