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Six green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 768GB DDR5 4800 ECC RDIMM 6x128GB Supermicro H14SSL-NT memory upgrade

SKU CH-68WC-RP12C

768GB DDR5 4800 ECC Registered RDIMM kit in six 128GB modules, validated for the Supermicro H14SSL-NT motherboard

  • Total capacity768 GB (6 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 768GB 6X128GB

Show 24 more
  • 768 GB total capacity from six 128 GB modules for maximum memory density
  • DDR5-4800 speed with CL40 latency delivers rated bandwidth for demanding server workloads
  • Registered ECC architecture corrects single-bit errors and offloads the memory controller for full-slot stability
  • 1 V operation and 2Rx4 rank match the Supermicro H14SSL-NT memory controller exactly
  • 288-pin RDIMM form factor ensures correct physical and electrical fit in the target motherboard

Exact-Match DDR5 Kit for Supermicro H14SSL-NT

This 768GB kit contains six 128GB DDR5-4800 Registered ECC RDIMMs built to the Supermicro H14SSL-NT motherboard's exact specifications. It targets administrators who need full-capacity memory expansion on that specific platform without mixing ranks or voltages.

Installing Six Registered Modules in Sequence

Each 288-pin RDIMM seats like any DDR5 module, but the board's population rules dictate which slots must be filled first; skipping the manual's sequence is the most common reason the system only recognises part of the capacity. The Registered buffer and 1.1V operation are already matched, so no BIOS voltage tuning is required.

Sustained Load Behaviour with ECC Active

Under continuous workloads the Registered architecture keeps every slot stable at the rated 4800 MT/s while on-die ECC corrects single-bit errors in real time. This prevents silent data corruption and unplanned reboots during long compute runs, unlike unbuffered alternatives that can destabilise when fully populated.

How it compares

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

Price $21,007.99
Pricier than about 91% 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 $27.35 per GB
Pricier than about 76% 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 numberMR38400-724K6
Total capacity768 GB (6 × 128 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
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 4800 MHz PC5-38400 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How do I verify the kit is running at the rated DDR5 4800 speed after installation?

Enter the system BIOS or UEFI and confirm the memory frequency shows 4800 and the CAS latency shows 40.

What does the 768GB kit contain and is anything else required?

The package includes six 128GB DDR5 4800 CL40 1.10V 288-pin ECC Registered RDIMM modules. No extra parts are needed for installation.

Why choose this 6x128GB kit over a different capacity for the Supermicro H14SSL-NT?

This exact-match kit provides the 2Rx4 registered ECC configuration the board expects, allowing all slots to run fully populated at the rated DDR5 4800 speed.

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