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Green rectangular DDR5 UDIMM module with black chips no heat spreader 288 pins

NEMIX RAM

NEMIX RAM 16GB DDR5 4800 CL40 1Rx8 1.10V 288-Pin UDIMM memory upgrade

SKU CH-67Q9-9H6XK

16 GB DDR5 module running at 4800 MHz with CL40 latency for ASRock Z790 motherboards

  • Capacity16GB
  • SpeedDDR5 4800 (PC5 38400)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V

Capacity 16GB

  • 16 GB DDR5 boosts multitasking headroom
  • 4800 MT/s speed matches platform spec
  • CL40 latency keeps timing tight
  • 10 V operation reduces power draw
  • 288-pin UDIMM fits desktop slots

16 GB DDR5 module for ASRock Z790 boards

This 16 GB DDR5 UDIMM runs at 4800 MT/s with CL40 latency and 1.10 V operation. It is validated for ASRock Z790 Taichi, Taichi Carrara and Taichi Lite motherboards. The single-rank 1Rx8 organisation suits desktop systems needing a straightforward capacity increase.

Unbuffered non-ECC stick without heat spreader

The module uses a bare 288-pin PCB with no heat spreader, keeping the profile low for tight CPU cooler clearance. Unbuffered non-ECC design means it installs like standard desktop memory and works with consumer chipsets. Major OEM DRAM from Samsung, Micron or Hynix underpins the build.

DDR5 4800 speed ceiling and single-module limit

At 4800 MT/s the module sits at the base DDR5 data rate, so bandwidth scales with the memory controller rather than XMP profiles. A single 16 GB stick fills one slot; adding a second module is required for dual-channel throughput. No ECC function is present, so error correction is not available for critical workloads.

Highlights

  • 16 GB DDR5 boosts multitasking headroom
  • 4800 MT/s speed matches platform spec
  • CL40 latency keeps timing tight
  • 10 V operation reduces power draw
  • 288-pin UDIMM fits desktop slots

Specifications

BrandNEMIX RAM
SeriesASRock Gaming Motherboard Compatible Series Memory
ModelASRock DDR5 4800MHZ Non-ECC Unbuffered UDIMM
Part NumberMD38400-618K1
Capacity16GB
SpeedDDR5 4800 (PC5 38400)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemASRock
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 UDIMM
Rank1Rx8
FeaturesDDR5 Non-ECC Unbuffered UDIMM Motherboard Compatible
Package Content16GB (1X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN Non-ECC Unbuffered UDIMM

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Questions about this item

What speed does the DDR5 4800 interface deliver on this module?

The module runs at DDR5 4800 (PC5-38400) with CL40 latency at 1.10 V.

Will the 288-pin UDIMM fit my ASRock Z790 Taichi motherboard?

Yes, the 288-pin DDR5 UDIMM form factor matches the four DIMM slots on Z790 Taichi boards.

How do I install the single 16 GB stick and which slot should I use first?

Power off, open the case, align the notch on the 1Rx8 module with the key in slot DDR5_A2, press firmly until the latches click, then boot.

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