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Eight green DDR5 RDIMM sticks in anti-static tray

NEMIX RAM

NEMIX RAM 128GB (8x16GB) DDR5 4800 ECC RDIMM CL40 1.1V 288-Pin ASUS Pro WS WRX90E SAGE SE Memory Upgrade

SKU CH-7MNN-Q5NX3

Eight 16 GB DDR5 ECC registered DIMMs at 4800 MT/s, CL40, 1.1 V, validated for the ASUS Pro WS WRX90E SAGE SE workstation motherboard

  • Total capacity128 GB (8 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V

Capacity 128GB 8X16GB

Show 3 more
  • 128GB total capacity across 8 modules of 16GB each
  • DDR5 4800 speed with PC5-38400 bandwidth for server workloads
  • ECC registered RDIMM design protects data integrity in critical systems
  • CL40 latency at 1.1V voltage for stable operation
  • Validated compatibility with ASUS Pro WS WRX90E SAGE SE motherboard

ASUS WRX90E SAGE SE 128GB DDR5 Kit

This NEMIX RAM kit supplies 128GB of DDR5 ECC registered memory across eight 16GB modules. It is built for the ASUS Pro WS WRX90E SAGE SE workstation motherboard and runs at DDR5 4800 with CL40 latency at 1.1V.

Who this suits and who it does not

IT professionals and workstation builders who need validated ECC RDIMM capacity for the ASUS WRX90E platform will find this kit compatible. Buyers who need non-ECC unbuffered DIMMs or a different module count should look at other memory.

Speed and form factor decide fit

The modules operate at DDR5 4800 (PC5-38400) in a 288-pin RDIMM form factor with 1Rx8 organization. Only systems that accept registered ECC DDR5 at this speed and pin layout can use the kit.

How it compares

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

Price $3,774.99
Pricier than about 76% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (8 × 16 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $29.49 per GB
Pricier than about 84% 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 lineASUS Server Motherboard Compatible Series Memory
Model nameASUS DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-618K8
Total capacity128 GB (8 × 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
Heat spreaderNo
Memory rank1Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASUS
In the box
Included items128 GB (8 × 16 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Other versions of this model

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Questions about this item

Will these 288-pin DDR5 RDIMMs fit the ASUS Pro WS WRX90E SAGE SE motherboard slots?

Yes, the kit is built as a system-specific upgrade for the ASUS Pro WS WRX90E SAGE SE workstation motherboard and uses the standard 288-pin DDR5 RDIMM form factor required by that board.

What is the correct way to populate all eight 16 GB modules on this motherboard?

Install one module per channel following the board's slot-order diagram; the common mistake is leaving a channel empty or mixing ranks, which prevents the full 128 GB from being recognised.

Do these registered ECC modules need active cooling or periodic replacement?

They have no heat spreader and run at 1.1 V, so standard chassis airflow is sufficient; ECC RDIMMs are solid-state with no wear-out mechanism, so no scheduled replacement is required.

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