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Green rectangular DDR5 UDIMM module with black chips and gold contacts, no heat spreader

NEMIX RAM

NEMIX RAM 16GB DDR5 4800 CL40 1Rx8 1.1V 288-pin UDIMM memory upgrade for ASRock Z790 B650 LiveMixer

SKU CH-K9JH-DCKME

16 GB DDR5 UDIMM running at 4800 MT/s with CL40 latency for ASRock Z790 and B650 LiveMixer boards

  • Total capacity16 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeUnbuffered
  • Rated voltage1.1 V
  • 16 GB DDR5 4800 MHz capacity boosts multitasking headroom
  • CL40 CAS latency keeps response tight for everyday workloads
  • 10 V operation lowers power draw and heat output
  • 288-pin UDIMM form factor fits standard desktop DIMM slots
  • Validated for ASRock Z790 and B650 LiveMixer motherboards

Compatible DDR5 UDIMM for ASRock LiveMixer

This NEMIX RAM module is a 16GB DDR5 4800 UDIMM built for ASRock Z790 LiveMixer and B650 LiveMixer motherboards. It runs at 1.1V with CL40 latency and a 1Rx8 organisation. The 288-pin unbuffered non-ECC design matches the board's native memory specification.

Builders targeting these two LiveMixer boards

The part is validated for the listed ASRock models, so enthusiasts upgrading those platforms can install it without further compatibility checks. Buyers who need ECC error correction, registered buffering, a heat spreader, or capacities beyond the single 16GB stick should look at something else.

1Rx8 rank layout decides fit

The module uses a single-rank 1Rx8 configuration at DDR5 4800 (PC5-38400). That rank structure is the key parameter the motherboard's memory controller expects for stable operation at the rated speed and voltage.

How it compares

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

Price $181.99
Cheaper than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $11.37 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 numberMD38400-618K1
Total capacity16 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 rank1Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASRock
In the box
Included items16 GB (1 × 16 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN Non-ECC Unbuffered UDIMM

Questions about this item

Does the package contain anything besides the single 16 GB DDR5 4800 CL40 UDIMM module?

The package contains only one 16 GB DDR5 4800 CL40 288-pin UDIMM; no extra cables, brackets or documentation are included.

Should I pick the 16 GB stick or a different capacity for my ASRock Z790 LiveMixer board?

This kit is a single 16 GB module; adding a second identical stick later will enable dual-channel bandwidth on the Z790 LiveMixer.

Will the 4800 MT/s rating actually run at that speed once installed in a B650 LiveMixer system?

The module is rated DDR5 4800 (PC5-38400) and will operate at that data rate provided the motherboard BIOS enables the default JEDEC profile.

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