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Four green DDR5 UDIMM sticks in a kit box

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 4800 CL40 1.1V 288-Pin UDIMM ASUS ROG Strix Z890-E memory upgrade

SKU CH-A3VZ-WSR00

A 128 GB kit of four 32 GB DDR5 4800 CL40 UDIMMs built for the ASUS ROG Strix Z890-E motherboard

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

Capacity 128GB 4X32GB

  • 128GB total capacity from four 32GB modules
  • DDR5 4800 speed rated at PC5-38400
  • CL40 CAS latency at 1.1V operating voltage
  • 288-pin UDIMM form factor for desktop installation
  • Tested compatibility with ASUS ROG Strix Z890-E motherboard

Kit contents and target platform

This kit provides 128GB of DDR5 memory across four 32GB UDIMM modules validated for the ASUS ROG Strix Z890-E motherboard. It is intended for desktop builders who need maximum capacity on that specific board.

Fit and limits

The kit suits users who want a matched quad-channel set at the rated 4800 speed with CL40 latency and 1.1V operation. Builders who need ECC error correction, registered modules, lower latency timings, higher frequency headroom, or a different module count should look elsewhere.

Decisive specification

The modules are 288-pin DDR5 UDIMMs with a 2Rx8 organisation and no heat spreader, so the motherboard must accept unbuffered non-ECC DDR5 at 4800 MT/s and physically accommodate four standard-height sticks.

How it compares

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

Price $1,887.99
Pricier than about 67% 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 $14.75 per GB
Pricier than about 61% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineASUS Server Motherboard Compatible Series Memory
Model nameASUS DDR5 4800 MHz Non-ECC Unbuffered UDIMM
Part numberMD38400-328K4
Total capacity128 GB (4 × 32 GB)
Product type288-Pin DDR5 UDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASUS
In the box
Included items128 GB (4 × 32 GB) DDR5 4800 MHz PC5-38400 2Rx8 1.1 V CL40 288-PIN Non-ECC Unbuffered UDIMM KIT

Other versions of this model

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Questions about this item

Will the 288-pin DDR5 modules fit the four DIMM slots on the ASUS ROG Strix Z890-E?

Yes, each 32 GB module uses the standard 288-pin DDR5 UDIMM form factor that matches the board's four memory slots.

What is the correct order to populate the four slots when installing the 4800 MHz kit?

Install the first module in the slot labelled DIMM_A2, the second in DIMM_B2, then fill DIMM_A1 and DIMM_B1; the manual shows this sequence for dual-channel operation.

Does the CL40 1.1 V kit require any firmware update or voltage adjustment after installation?

The modules run at the JEDEC-standard 1.1 V with CL40 timings, so the motherboard will configure them automatically without a BIOS update.

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