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Single green DDR5 UDIMM module, 48 GB, no heat spreader, 288 pins

NEMIX RAM

NEMIX RAM 48GB DDR5 4800 CL40 1.1V 2Rx8 UDIMM memory upgrade

SKU CH-X89H-NYYRN

A 48GB DDR5 4800 CL40 UDIMM module built for ASRock Z790 Lightning WiFi motherboards

  • Capacity48GB
  • SpeedDDR5 4800 (PC5 38400)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 48 GB capacity expands desktop multitasking headroom
  • DDR5 4800 speed delivers high bandwidth for demanding workloads
  • 1 V operation reduces power draw and heat
  • CL40 latency supports responsive system performance
  • 288-pin UDIMM fits compatible ASRock Z790 motherboards

Capacity and motherboard match

This 48GB DDR5 module is built for desktop PCs using the ASRock Z790 Lightning WiFi motherboard. It fits a single 288-pin UDIMM slot and delivers 48GB of memory in one stick. The kit suits users who need a straightforward capacity increase on that specific platform.

Sustained-load behaviour

Modules are stress tested under load to verify stability during extended workloads. The 1.1V operating voltage and CL40 timing remain consistent throughout long sessions. Unbuffered, non-ECC operation keeps latency predictable for desktop applications.

Pre-installation checks

Verify that your motherboard is the ASRock Z790 Lightning WiFi model before ordering. Confirm the board has a free 288-pin DDR5 UDIMM slot and that the BIOS supports 48GB single-rank modules. The memory runs at 4800MT/s with no heat spreader installed.

Points forts

  • 48 GB capacity expands desktop multitasking headroom
  • DDR5 4800 speed delivers high bandwidth for demanding workloads
  • 1 V operation reduces power draw and heat
  • CL40 latency supports responsive system performance
  • 288-pin UDIMM fits compatible ASRock Z790 motherboards

Caractéristiques

BrandNEMIX RAM
SeriesASRock Gaming Motherboard Compatible Series Memory
ModelASRock DDR5 4800MHZ Non-ECC Unbuffered UDIMM
Part NumberMD38400-4828K1
Capacity48GB
SpeedDDR5 4800 (PC5 38400)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemASRock
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 UDIMM
Rank2Rx8
FeaturesDDR5 Non-ECC Unbuffered UDIMM Motherboard Compatible
Package Content48GB (1X48GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN Non-ECC Unbuffered UDIMM

Questions sur cet article

How much heat does the 48 GB DDR5 4800 CL40 module produce when running all day?

This module runs at 1.1 V and has no heat spreader, so it relies on case airflow to stay cool under continuous load.

What motherboard slot and voltage must my board provide for this 288-pin DDR5 UDIMM?

The board needs a DDR5 288-pin UDIMM slot that supplies 1.10 V at 4800 MT/s.

Will this 48 GB DDR5 4800 CL40 module work alongside my existing DDR5 4800 CL40 sticks on a Z790 board?

Mixing modules with identical speed and latency usually works, but stability depends on the motherboard's memory controller and BIOS.

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