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Two green DDR5 RDIMM modules, bare circuit boards with gold contacts, no heat spreaders

NEMIX RAM

NEMIX RAM 32GB 2x16GB DDR5 4800 CL40 ECC RDIMM Supermicro H14SSL-N memory upgrade

SKU CH-Z7JT-K55A2

A 32 GB DDR5-4800 ECC registered RDIMM kit, two 16 GB modules at CL40 1.1 V, validated for Supermicro H14SSL-N servers

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 32GB 2X16GB

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  • 32 GB capacity in a matched 2 x 16 GB kit
  • DDR5-4800 speed with CL40 latency for rated throughput
  • Registered ECC design corrects single-bit errors automatically
  • 1 V operation meets the board's voltage spec
  • 288-pin RDIMM form factor fits the Supermicro H14SSL-N motherboard

System-Specific DDR5 Upgrade

This NEMIX RAM kit delivers 32 GB of DDR5-4800 registered ECC memory in a matched pair of 16 GB RDIMMs. It is built to the exact rank, voltage and timing specification that the Supermicro H14SSL-N motherboard expects.

Suited For And Not Suited For

Server administrators expanding the H14SSL-N with validated registered ECC modules will find this kit drops straight into the 288-pin slots. Builders needing unbuffered UDIMMs, SODIMMs or non-ECC memory should look elsewhere.

Capacity And Limits

Two 1Rx8 modules provide 32 GB total at 1.1 V and CL40, running at the board's native DDR5-4800 speed when populated per the manual. Larger configurations require consulting the motherboard documentation for approved population rules and maximum supported capacity.

How it compares

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

Price $924.99
Pricier than about 60% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $28.91 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 numberMR38400-618K2
Total capacity32 GB (2 × 16 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 rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items32 GB 2 × 16 GB DDR5 4800 MHz PC5-38400 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Does the Supermicro H14SSL-N require registered ECC RDIMMs for this 32GB kit to work?

Yes, the H14SSL-N needs 288-pin registered ECC RDIMMs. This kit provides exactly that: two 16GB DDR5-4800 modules at 1.1V, CL40, 1Rx8 organisation, matching the board's memory-controller expectations.

Can I keep my existing DDR5-4800 registered ECC RDIMMs and add this 2x16GB kit to the H14SSL-N?

You can add the kit if the board has free RDIMM slots and the population rules allow mixing 1Rx8 modules of the same speed, voltage and rank. Check the manual for approved slot order and maximum capacity per channel.

How do I confirm the kit is running at DDR5-4800 CL40 1.1V after installation?

Enter the BIOS or use a tool like dmidecode to verify each module shows 4800 MT/s, CAS latency 40, 1.1V and registered ECC status. The system should report 32GB total with no memory errors on POST.

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