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Four green circuit boards with black chips no heat spreader 288 pin DDR5

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 4800 CL40 1.1V ECC UDIMM memory upgrade

SKU CH-3B4Y-M5E0R

Four 32 GB DDR5 ECC UDIMM modules at 4800 MT/s CL40 1.1 V for ASUS ProArt X670E-CREATOR WiFi

  • 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 kit provides high-density ECC capacity for demanding workloads
  • Four 32 GB modules enable quad-channel bandwidth on supported platforms
  • DDR5 4800 speed delivers PC5-38400 data rates for faster throughput
  • ECC unbuffered design adds error correction without registered latency penalty
  • Low 1.1 V operation reduces power draw and heat output

128GB DDR5 ECC UDIMM kit for ASUS ProArt

This 128GB kit contains four 32GB DDR5 4800 modules built for the ASUS ProArt X670E-CREATOR WiFi motherboard. The 288-pin unbuffered ECC UDIMMs run at 1.1V with CL40 latency. Workstation users and content creators who need verified compatibility and error correction will find the kit matches the board's validated memory list.

Thermals noise and power draw at 1.1V

The modules operate at the standard DDR5 voltage of 1.10V without a heat spreader, relying on case airflow for cooling. At stock 4800MT/s speeds the power draw stays within the JEDEC base specification, so no extra voltage or active cooling is required. Silent operation is typical because there are no onboard fans or pumps.

No bundled accessories or software included

The package supplies only the four memory modules; no installation tools, cables or configuration utilities are provided. System stability comes from the manufacturer's pre-shipment stress testing rather than any bundled software. Builders who want RGB lighting, temperature monitoring apps or extra mounting hardware must source those separately.

How it compares

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

Price $2,747.99
Pricier than about 72% 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 $21.47 per GB
Pricier than about 67% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineASUS Gaming Motherboard Compatible Series Memory
Model nameASUS DDR5 4800 MHz ECC Unbuffered UDIMM
Part numberME38400-328K4
Total capacity128 GB (4 × 32 GB)
Product type288-Pin DDR5 ECC UDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
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 ECC Unbuffered UDIMM KIT

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Questions about this item

How do I install the 4x32GB DDR5 4800 kit on the ASUS ProArt X670E-CREATOR WiFi, and what step do people often miss?

Align the 288-pin DDR5 modules with the motherboard slots, press firmly until the retention clips click, then enable the 4800 speed profile in BIOS to avoid running at a lower default frequency.

What maintenance or replacement will this 128GB ECC UDIMM kit need over time?

The modules have no heat spreaders and operate at 1.1V, so no active cooling or periodic servicing is required; only a failed stick would need replacement under the lifetime warranty.

What limit appears first when the 2Rx8 DDR5 4800 CL40 kit runs sustained workloads?

The CL40 latency at 4800 MT/s is the primary performance ceiling, and the unbuffered ECC design relies on the motherboard memory controller for error correction without additional buffering overhead.

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