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Four green DDR5 UDIMM sticks, no heat spreaders

NEMIX RAM

NEMIX RAM 192GB (4x48GB) DDR5 4800 CL40 1.1V 288-pin UDIMM for ASRock Z790 Taichi Carrara Lite memory upgrade

SKU CH-764V-96TVX

192 GB DDR5 kit with four 48 GB modules running at 4800 MT/s CL40 1.1 V for ASRock Z790 Taichi Carrara Lite motherboards

  • Total capacity192 GB (4 × 48 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeUnbuffered
  • Rated voltage1.1 V

Capacity 192GB 4X48GB

  • Massive 192 GB capacity handles heavy multitasking
  • DDR5 4800 speed delivers high bandwidth
  • Low 1.1 V operation reduces power draw
  • 288-pin UDIMM fits ASRock Z790 Taichi boards
  • CL40 latency supports responsive performance

Capacity and Compatibility

This kit provides 192GB of DDR5 memory across four 48GB UDIMM modules. It is validated for ASRock Z790 Taichi, Carrara and Lite motherboards. The 2Rx8 organisation and CL40 timing suit workstations and high-end desktops that need large memory pools for virtualisation, content creation or scientific workloads.

Build Integration

The modules are non-ECC unbuffered UDIMMs that install directly into standard 288-pin DDR5 slots. No heat spreaders are fitted, leaving maximum clearance for large CPU coolers. Each module runs at the standard 1.1V, so no manual voltage adjustment is required. The kit occupies all four slots on typical consumer boards, leaving no room for further expansion.

Sustained Load Behaviour

All modules undergo rigorous stress testing under load before shipping. The major-brand Samsung, Micron or Hynix ICs maintain rated 4800 MT/s throughput during extended compute sessions. Standard JEDEC voltage and timings keep thermals predictable without active cooling on the modules themselves.

How it compares

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

Price $2,532.99
Pricier than about 71% of the 21,161 comparable items (median $397.99).
Total capacity 192 GB (4 × 48 GB)
Higher than about 75% of the 20,941 comparable items (median 32 GB).
Price per GB $13.19 per GB
Pricier than about 59% 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 numberMD38400-4828K4
Total capacity192 GB (4 × 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 items192 GB (4 × 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

Does the CL40 latency become a bottleneck during long rendering or compile jobs?

The kit runs at CL40 timings and 4800 MT/s; latency is fixed by the JEDEC profile and does not change under sustained load.

How much heat do the four 48 GB modules produce when the system runs all day?

Modules operate at 1.1 V with no heat spreader; power draw stays at the standard DDR5 4800 level so case airflow normally handles the heat.

What motherboard features must already be present for this 192 GB kit to work?

The board needs four 288-pin DDR5 slots, support for 2Rx8 48 GB density and a qualified vendor list entry for 4800 MT/s CL40 modules.

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