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Green circuit board with black memory chips, no heat spreader, 288-pin DDR5 UDIMM form factor

NEMIX RAM

NEMIX RAM 48GB DDR5 4800 CL40 1.1V 2Rx8 288-pin UDIMM memory upgrade for ASRock Z790 B650 LiveMixer

SKU CH-67HH-6292C

48 GB DDR5 module running at 4800 MHz with CL40 latency and 1.1 V for ASRock Z790 and B650 LiveMixer boards

  • Total capacity48 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeUnbuffered
  • Rated voltage1.1 V
  • 48 GB capacity expands multitasking headroom for demanding workloads
  • DDR5 4800 speed delivers high bandwidth for responsive performance
  • 1 V operation reduces power draw and heat output
  • 2Rx8 dual-rank organisation improves memory controller efficiency
  • Validated for ASRock Z790 and B650 LiveMixer motherboards

48 GB DDR5 module for ASRock LiveMixer boards

This 48 GB DDR5 UDIMM is built for ASRock Z790 LiveMixer and B650 LiveMixer motherboards. It targets streamers, broadcasters and power users who need a single high-capacity stick to simplify upgrades on those platforms. The non-ECC unbuffered design keeps installation straightforward for desktop builders.

Low voltage operation at 1.1 V with CL40 timing

Running at 1.10 V, the module draws minimal power while delivering DDR5 4800 (PC5-38400) speed at CL40 latency. The 2Rx8 rank structure supports stable throughput for live-mixing workloads without a heat spreader, keeping thermals and acoustic output low in typical chassis airflow.

Single-stick packaging simplifies slot management

The package contains one 48 GB 288-pin UDIMM, leaving three DIMM slots free on four-slot LiveMixer boards for future expansion. No extra cables, software or cooling accessories are bundled, so the upgrade is limited to the memory itself and the compatibility assurance tested for the named motherboards.

How it compares

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

Price $553.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 48 GB
Higher than about 55% of the 20,941 comparable items (median 32 GB).
Price per GB $11.54 per GB
Pricier than about 56% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineASRock Gaming Motherboard Compatible Series Memory
Model nameASRock DDR5 4800 MHz Non-ECC Unbuffered UDIMM
Part numberMD38400-4828K1
Total capacity48 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 systemsASRock
In the box
Included items48 GB (1 × 48 GB) DDR5 4800 MHz PC5-38400 2Rx8 1.1 V CL40 288-PIN Non-ECC Unbuffered UDIMM

Questions about this item

How do I install the 288-pin DDR5 UDIMM on an ASRock Z790 or B650 LiveMixer, and what step is often missed?

Align the notch on the module with the slot key, press firmly until both retention clips click, then verify in BIOS that the memory runs at 4800 MT/s and 1.10 V; the step often missed is enabling the XMP or EXPO profile so the CL40 timing is applied.

What maintenance or replacement will the 48 GB 2Rx8 module need later?

No routine maintenance is required; keep the slot and contacts dust-free, and if errors appear run a memory test — the module carries a lifetime replacement warranty from the manufacturer.

What limit appears first under sustained load with this CL40 1.1 V kit?

The CAS latency of 40 cycles at 4800 MT/s sets the timing floor; thermal throttling is unlikely because the module operates at 1.1 V without a heat spreader, so latency remains the primary constraint.

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