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Four bare green DDR5 UDIMM sticks in a kit

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 4800 CL40 1.1V UDIMM memory upgrade for MSI Z790 Project Zero

SKU CH-MXC3-P2TBB

A 128 GB DDR5 kit of four 32 GB unbuffered UDIMMs running at 4800 MT/s with CL40 latency at 1.1 V, validated for the MSI Z790 Project Zero 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

  • 128 GB total capacity with four 32 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • Low 1.10 V operating voltage for efficient power use
  • CL40 CAS latency with 2Rx8 dual-rank organisation
  • Validated compatibility with MSI Z790 Project Zero motherboard

Target system and kit layout

This 128GB kit contains four 32GB DDR5 UDIMM modules validated for the MSI Z790 Project Zero motherboard. It runs at 4800 MT/s with CL40 timings at 1.10V and uses unbuffered non-ECC 2Rx8 chips from major DRAM vendors.

Who this suits and who it does not

Builders who need the maximum supported capacity on this specific board will use all four slots with a matched set. Systems limited to two DIMM slots, workloads that require ECC error correction, or users seeking lower latency or higher frequency kits should consider a different configuration.

The specification that decides fit

The 288-pin DDR5 UDIMM form factor at 4800 MT/s CL40 1.10V is the single parameter that determines whether this kit installs and runs without manual tuning on the target motherboard.

How it compares

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

Price $1,820.99
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 $14.23 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 lineMSI Gaming Motherboard Compatible Series Memory
Model nameMSI 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 systemsMSI
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

Does the kit contain only the four 32 GB modules or are any cables or tools included?

The package contains only the four 32 GB DDR5 UDIMM modules. No cables, screws or installation tools are supplied.

The kit is listed as CL40 at 4800 MT/s. Is there a lower-latency or higher-speed version of this same 128 GB capacity?

This part number MD38400-328K4 is offered only at DDR5 4800 with CL40 timings. No alternative latency or speed bin is available for this kit.

Will the 4800 MT/s rating run at that speed automatically on the MSI Z790 Project Zero, or does it need manual setup?

The modules operate at the standard DDR5 4800 MT/s JEDEC speed and voltage of 1.10 V. The motherboard will configure them automatically without manual intervention.

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