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Two green DDR5 UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 64GB (2×32GB) DDR5 4800 CL40 1.10V UDIMM memory upgrade

SKU CH-HJEB-09PF4

A 64 GB dual-channel DDR5 kit running at 4800 MT/s with CL40 timing and 1.10 V for GIGABYTE Z690I AORUS Mini-ITX boards

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeUnbuffered
  • Rated voltage1.1 V
  • 64 GB kit expands system capacity with two 32 GB modules
  • DDR5 4800 speed and CL40 latency deliver responsive desktop performance
  • 10 V operation reduces power draw compared to earlier DDR generations
  • 288-pin UDIMM form factor fits GIGABYTE Z690I AORUS Mini-ITX motherboards
  • Non-ECC unbuffered design suits standard desktop workloads without server overhead

Target system and capacity

This kit provides 64 GB of DDR5 memory in a matched pair of 32 GB modules. It is built for the GIGABYTE Z690I AORUS Ultra, Plus and LITE Mini-ITX motherboards and suits desktop users who need high-density, non-ECC UDIMM capacity for demanding workloads.

Compatibility checks

Verify that your motherboard is one of the listed GIGABYTE Z690I AORUS models and that the BIOS version supports 2Rx8 DDR5 modules at 4800 MT/s. Confirm the board has two free 288-pin DDR5 slots and that you are not mixing this kit with other memory speeds or ranks.

Sustained-load behaviour

The modules run at 1.10 V with CL40 latency and a 2Rx8 organisation, which helps maintain stable throughput during extended compute sessions. Without a heat spreader, adequate case airflow is required to keep temperatures in check when the memory operates continuously at the rated PC5-38400 data rate.

How it compares

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

Price $872.99
Pricier than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $13.64 per GB
Pricier than about 60% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Memory
Model nameDDR5 Non-ECC Unbuffered UDIMM Memory
Part numberMD38400-328K2
Total capacity64 GB (2 × 32 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 systemsGIGABYTE
In the box
Included items64 GB (2 × 32 GB) DDR5 4800 MHz PC5-38400 2Rx8 1.1 V 288-PIN Non-ECC UDIMM KIT

Questions about this item

What comes in the box with the NEMIX RAM 64GB kit and is anything else required for installation?

The package contains two 32GB DDR5 UDIMM modules totalling 64GB; no extra parts are needed beyond a compatible motherboard with 288‑pin DDR5 slots.

Should I choose the CL40 4800MHz version or a different speed kit for my GIGABYTE Z690I AORUS board?

This kit runs at 4800MHz with CL40 latency at 1.10V, matching the board’s native DDR5 specification for stable operation without manual tuning.

What does the 4800MHz rating mean once the memory is installed in the system?

The modules will operate at 4800MT/s (PC5‑38400) with 2Rx8 organisation, delivering the standard DDR5 bandwidth and latency the Z690I platform expects out of the box.

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