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Six green DDR5 RDIMM modules in a row, no heat spreaders, gold contacts visible

NEMIX RAM

NEMIX RAM 384GB 6x64GB DDR5 5600 PC5-44800 CL46 2Rx4 1.1V ECC RDIMM Supermicro H14SSF memory upgrade

SKU CH-1H88-86M99

Six-module kit delivers 384 GB of DDR5-5600 registered ECC memory tuned for the Supermicro H14SSF motherboard

  • Total capacity384 GB (6 × 64 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 384GB 6X64GB

Show 24 more
  • 384 GB total capacity from six 64 GB modules
  • DDR5 5600 speed with PC5-44800 bandwidth rating
  • Registered ECC design corrects single-bit errors automatically
  • 2Rx4 dual-rank organisation at 1.1 V operating voltage
  • 288-pin RDIMM form factor validated for Supermicro H14SSF

Capacity and fitment

This 384 GB kit contains six 64 GB DDR5 5600 RDIMMs built to the exact rank, voltage and timing the Supermicro H14SSF memory controller expects. Registered ECC modules ensure every slot runs fully populated at rated speed while correcting single-bit errors before they reach production workloads.

When the upgrade makes sense

The jump is worth it when your current configuration cannot hold the working set of virtual machines, databases or in-memory analytics and the board’s population rules allow six registered DIMMs at 1.1 V. If the platform limits total capacity per channel or requires a different rank structure, this kit will not be recognised at full size.

Installation and common issues

Installation follows the motherboard manual’s DIMM population order; no heat spreader means clearance is rarely a problem. The usual failure mode is mixing registered and unbuffered modules or ignoring the approved slot sequence, which prevents the system from posting or limits usable capacity.

How it compares

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

Price $12,059.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (6 × 64 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $31.41 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 numberMR44800-924K6
Total capacity384 GB (6 × 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 items384 GB 6 × 64 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 memory slots on my Supermicro H14SSF motherboard?

Yes. The kit uses the 288-pin Registered RDIMM form factor that the H14SSF requires, not UDIMM or SODIMM, and it matches the board's memory-population rules for full-capacity recognition.

What is the correct installation order for the six 64 GB modules, and what step is most often missed?

Follow the motherboard manual's approved DIMM population sequence for the H14SSF; the step most often missed is verifying the exact slot order before seating all six modules, which is required for the system to recognise the full 384 GB at DDR5-5600.

Do these Registered ECC modules need any firmware updates or periodic maintenance after installation?

No firmware updates or scheduled maintenance are required; the registered ECC design handles single-bit error correction automatically, and the modules are covered by a lifetime replacement warranty if a hardware fault ever occurs.

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