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Two green DDR5 UDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 4800 CL40 1.1V UDIMM for MSI X670E Gaming Plus WiFi memory upgrade

SKU CH-11M1-8ZAJ0

A 64 GB dual-channel DDR5 kit with two 32 GB UDIMM modules at 4800 MT/s, CL40, 1.1 V, validated for the MSI X670E Gaming Plus WiFi motherboard

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeUnbuffered
  • Rated voltage1.1 V

Capacity 64GB 2X32GB

  • 64 GB capacity for demanding workloads
  • DDR5 4800 MT/s speed with CL40 latency
  • 10 V low-voltage operation reduces power draw
  • 288-pin UDIMM form factor fits desktop slots
  • Tested compatibility with MSI X670E Gaming Plus WiFi

64GB DDR5 kit for MSI X670E Gaming Plus WiFi

This 64GB kit contains two 32GB DDR5 4800 UDIMMs validated for the MSI X670E Gaming Plus WiFi motherboard. It targets builders who want a matched pair of high-density modules without mixing sticks.

Non-ECC unbuffered modules with no heat spreader

The modules are non-ECC and unbuffered, so they install directly into standard desktop slots. The absence of a heat spreader keeps the profile low for tight clearances but offers no active cooling surface.

DDR5 4800 PC5-38400 at 1.1V with CL40 latency

The kit runs at the JEDEC DDR5 4800 baseline with CL40 timings at 1.1V. It does not support higher XMP or EXPO profiles, so manual overclocking headroom is limited to what the motherboard BIOS allows.

How it compares

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

Price $961.99
Pricier than about 60% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $15.03 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 numberMD38400-328K2
Total capacity64 GB (2 × 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 items64 GB (2 × 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 2Rx8 DDR5 modules need any firmware updates or re-seating after a BIOS change?

The kit is built from major OEM Samsung, Micron or Hynix chips and tested under load; no firmware or re-seating is required after a BIOS update.

What limits sustained throughput first — the CL40 latency or the 4800 MT/s data rate?

The 4800 MT/s data rate sets the ceiling; CL40 latency is fixed for this speed bin and does not become the bottleneck.

How much heat does the 1.1 V kit produce when running all day without a heat spreader?

At 1.1 V the modules run cool enough for continuous operation; no spreader is fitted and none is required for typical desktop workloads.

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