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

NEMIX RAM

NEMIX RAM 128GB 4x32GB DDR5 4800 ECC RDIMM 2Rx8 CL40 1.1V Supermicro H13SVW-NT-OS2 memory upgrade

SKU CH-JQG1-SMHVC

128 GB DDR5 ECC registered server memory kit with four 32 GB modules running at 4800 MHz, CL40 latency and 1.1 V for Supermicro H13SVW-NT-OS2

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 128GB 4X32GB

Show 12 more
  • 128 GB total capacity from four 32 GB modules
  • DDR5 4800 speed with CL40 latency at 1.1 V
  • Registered ECC architecture for error correction and full-slot stability
  • 288-pin RDIMM form factor matched to Supermicro H13SVW-NT-OS2
  • Built with major OEM Samsung Micron Hynix components

128GB DDR5 ECC RDIMM kit

This 128GB kit contains four 32GB DDR5 4800 registered ECC RDIMMs built for the Supermicro H13SVW-NT-OS2 motherboard. Each module runs at 1.1V with CL40 latency and a 2Rx8 organisation. The 288-pin registered design matches the board's memory controller requirements exactly.

Servers needing registered ECC memory

The kit suits administrators upgrading or populating the named Supermicro platform with validated registered ECC modules. It will not fit systems that require unbuffered UDIMMs, SODIMM form factors, or non-ECC memory. Buyers whose boards demand different voltages, ranks, or speeds should verify compatibility first.

Registered 2Rx8 ECC at 1.1V

The registered 2Rx8 ECC architecture at 1.1V is the specification that determines whether this kit works in your server. The motherboard's memory population rules require this exact rank, voltage, and buffering type to recognise the full 128GB capacity at the rated 4800 MT/s.

How it compares

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

Price $3,581.99
Pricier than about 75% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $27.98 per GB
Pricier than about 78% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR38400-328K4
Total capacity128 GB (4 × 32 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 rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB 4 × 32 GB DDR5 4800 MHz PC5-38400 2Rx8 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 DDR5 4800 with CL40 after installation?

Enter the BIOS or use a hardware monitor to confirm the memory reports 4800 MT/s, CL40 timings, 1.10 V and 128 GB total across all four slots.

What does the 128GB kit contain and is anything else required?

The box includes four 32 GB DDR5 288-pin ECC RDIMM modules; no extra parts are needed for a compatible Supermicro H13SVW-NT-OS2 board.

Which capacity should I choose for a fully populated four-slot configuration?

This 128 GB kit (4 x 32 GB) is the exact-match upgrade for populating all four DIMM slots on the supported Supermicro motherboard.

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