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Two green DDR5 UDIMM modules without heat spreaders, 64GB kit

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 4800 CL40 1.1V UDIMM for GIGABYTE B650I AX

SKU CH-B2NK-RMA2T

A 64GB dual-channel DDR5 kit (2×32GB) at 4800MHz CL40 1.1V, validated for the GIGABYTE B650I AX Mini-ITX motherboard

  • 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 total capacity with two 32 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • Low 1.1 V operation for efficient power draw
  • CL40 CAS latency tuned for responsive timing
  • 288-pin UDIMM form factor fits the GIGABYTE B650I AX

Built for GIGABYTE B650I AX

This NEMIX RAM kit delivers 64 GB of DDR5 memory in two 32 GB UDIMM modules. It is engineered specifically for the GIGABYTE B650I AX Mini-ITX motherboard, offering a direct upgrade path for that platform.

Suits compact DDR5 builds needing 64 GB

Builders populating both slots on a Mini-ITX board with 64 GB at 4800 MT/s will find this kit a precise match. Systems requiring ECC, registered modules, lower latency or speeds above 4800 MT/s should look elsewhere.

Steady throughput at 1.1 V

The modules run at 1.10 V with CL40 timings and a dual-rank 2Rx8 organisation. Without heat spreaders, sustained workloads rely on case airflow to maintain stable operation at the rated DDR5 4800 frequency.

How it compares

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

Price $939.99
Pricier than about 60% 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 $14.69 per GB
Pricier than about 61% 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

Will this kit work with the GIGABYTE B650I AX Mini-ITX motherboard I already own?

Yes, this 64GB kit is specifically validated for the GIGABYTE B650I AX Mini-ITX motherboard and uses the required 288-pin DDR5 UDIMM form factor.

Can I install this 4800MHz kit alongside slower DDR5 modules I currently have?

The motherboard will run all installed modules at the speed of the slowest kit, so adding this CL40 4800MHz memory alongside slower DDR5 will lower overall performance to match the slower modules.

How can I verify the kit is running at 4800MHz with CL40 timings after installation?

Enter the system BIOS or use a utility like CPU-Z to confirm the memory reports DDR5-4800 speed, CL40 latency, and 1.10V voltage for the 64GB capacity.

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