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Green circuit board with black memory chips and gold edge connectors

NEMIX RAM

NEMIX RAM 128GB DDR5 4800 CL40 2Rx4 ECC Registered RDIMM Supermicro H14SSL-N memory upgrade

SKU CH-Z5CZ-SY1KX

128 GB DDR5 4800 CL40 2Rx4 ECC registered RDIMM validated for Supermicro H14SSL-N servers

  • Total capacity128 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 128GB

Show 24 more
  • 128 GB capacity fits Supermicro H14SSL-N boards
  • DDR5 4800 speed with CL40 latency runs at rated spec
  • Registered ECC design corrects single-bit errors automatically
  • 2Rx4 1.10 V modules match the board's memory controller
  • 288-pin RDIMM form factor installs in the required slots

System-specific DDR5 upgrade

This 128 GB DDR5 4800 CL40 registered ECC RDIMM is built for the Supermicro H14SSL-N motherboard. The 2Rx4 organisation, 1.10 V operation and 288-pin form factor match the board's memory controller requirements exactly.

Replaces lower-capacity or slower DDR5 RDIMMs

When a server needs the full 128 GB per slot at the rated 4800 MT/s, this module removes the population limits that smaller or higher-latency kits impose. It is not for systems that require unbuffered UDIMMs or SODIMM form factors.

Slot-in RDIMM installation

Align the notch with the 288-pin key, press until the ejectors latch, then follow the motherboard manual for approved population order. Errors usually come from mixing ranks, skipping required slots or ignoring the board's maximum per-channel capacity.

How it compares

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

Price $3,528.99
Pricier than about 75% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $27.57 per GB
Pricier than about 77% 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 numberMR38400-724K1
Total capacity128 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 items128 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

Will the 288-pin RDIMM fit the Supermicro H14SSL-N motherboard slots?

Yes, the 288-pin Registered DIMM form factor matches the DDR5 slots required by the Supermicro H14SSL-N motherboard.

What is the correct installation step for the 2Rx4 Registered ECC modules on the H14SSL-N?

Follow the motherboard manual for the approved DIMM population order to ensure the 2Rx4 registered modules are recognized at full 128GB capacity.

When should the 1.1V DDR5 ECC RDIMM be replaced in a production server?

Replace the module if ECC logs show increasing corrected errors or if the server experiences unplanned reboots linked to memory faults.

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