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Two green DDR5 UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 96GB (2x48GB) DDR5 4800 CL40 1.1V UDIMM memory upgrade

SKU CH-KQY4-S5TFG

A 96 GB kit of two 48 GB DDR5 UDIMM modules running at 4800 MT/s with CL40 latency and 1.1 V operation

  • Total capacity96 GB (2 × 48 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeUnbuffered
  • Rated voltage1.1 V

Capacity 96GB 2X48GB

  • 96 GB total capacity for demanding workloads
  • DDR5 4800 speed with PC5-38400 bandwidth
  • CL40 latency at 1.1 V for efficient operation
  • 288-pin UDIMM form factor fits desktop boards
  • Validated for ASRock Z790 Taichi series motherboards

96GB DDR5 kit for ASRock Z790 Taichi

This NEMIX RAM kit delivers 96GB of DDR5 memory across two 48GB UDIMM modules. It is built for desktop PCs using the ASRock Z790 Taichi, Z790 Taichi Carrara or Z790 Taichi Lite motherboards. The unbuffered, non-ECC design suits standard consumer platforms that do not require registered or error-correcting modules.

Standard voltage and thermal profile

Each module operates at 1.1V, the standard voltage for DDR5 4800, keeping power draw low during typical desktop workloads. Without a heat spreader, the modules rely on case airflow for cooling, which is sufficient for everyday multitasking and office applications. The CL40 latency and 2Rx8 organisation provide stable operation at the rated PC5-38400 speed.

Sustained load behaviour on compatible boards

Under prolonged heavy workloads, the modules maintain their 4800 MT/s data rate and CL40 timing without throttling, provided the motherboard firmware supports the 2Rx8 density on all slots. The kit is validated for the listed ASRock Z790 Taichi variants, so compatibility is assured for those specific platforms. Builders needing ECC, registered buffering or higher frequencies should select a different memory kit.

How it compares

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

Price $1,175.99
Pricier than about 62% of the 21,161 comparable items (median $397.99).
Total capacity 96 GB (2 × 48 GB)
Higher than about 65% of the 20,941 comparable items (median 32 GB).
Price per GB $12.25 per GB
Pricier than about 58% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineASRock Gaming Motherboard Compatible Series Memory
Model nameASRock DDR5 4800 MHz Non-ECC Unbuffered UDIMM
Part numberMD38400-4828K2
Total capacity96 GB (2 × 48 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 items96 GB (2 × 48 GB) DDR5 4800 MHz PC5-38400 2Rx8 1.1 V CL40 288-PIN Non-ECC Unbuffered UDIMM KIT

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Questions about this item

How do I install these 288-pin DDR5 UDIMM modules on the ASRock Z790 Taichi and what step is often missed?

Align the notch on each 48GB stick with the slot key, press firmly until both side clips click, then enable XMP in BIOS so the kit runs at 4800 CL40 instead of the default JEDEC speed.

What maintenance or replacement will this 96GB kit need over time?

No heat spreader is fitted, so keep case airflow clear of dust; the modules themselves have no moving parts and carry a lifetime replacement warranty from the manufacturer.

What limit appears first when this DDR5 4800 CL40 1.1V memory runs sustained workloads?

The CL40 latency at 1.1V is the primary constraint; without a heat spreader, thermals can throttle bandwidth before voltage or capacity limits are reached.

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