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Two green DDR4 UDIMM sticks, no heat spreader, gold edge connectors

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR4 3200 CL22 ECC UDIMM for ASRock X570 Taichi memory upgrade

SKU CH-NAFD-AST66

A 64 GB DDR4 3200 ECC UDIMM kit with CL22 latency and 1.20 V operation, validated for the ASRock X570 Taichi motherboard

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 64 GB capacity handles heavy workloads
  • DDR4 3200 speed moves data quickly
  • ECC protection detects memory errors
  • 2 V operation reduces power draw
  • 288-pin UDIMM fits ASRock X570 Taichi

Capacity and configuration

This 64GB kit delivers two 32GB DDR4 3200 UDIMMs rated at CL22 and 1.2V. The modules are unbuffered ECC 2Rx8 parts built with major OEM DRAM and carry a 288-pin layout. They target ASRock X570 Taichi owners who need maximum supported memory with error correction.

Upgrade path

The kit replaces smaller or non-ECC DIMMs to reach 64GB in two slots, leaving two slots free on the four-slot board. The jump is worthwhile when workloads demand ECC integrity and the full capacity ceiling, such as virtualization, ZFS storage or compile farms. Buyers who do not need error correction or who run consumer workloads that cannot use ECC will not benefit.

Build fit

Each stick runs at the standard 1.2V DDR4 voltage and fits any 288-pin DDR4 slot without a heat spreader, so tall CPU coolers are not obstructed. The X570 Taichi memory controller must be configured for 3200 MT/s and ECC operation in the firmware. Systems that require registered or load-reduced DIMMs cannot use this unbuffered kit.

How it compares

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

Price $451.99
Typical for this category: the median of 21,161 items is $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 $7.06 per GB
Cheaper than about 57% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineASRock Server Motherboard Compatible Series Memory
Model nameASRock DDR4 3200 MHz ECC Unbuffered UDIMM
Part numberME25600-328K2
Total capacity64 GB (2 × 32 GB)
Product type288-Pin DDR4 ECC UDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportYes
Buffer typeUnbuffered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsASRock
In the box
Included items64 GB (2 × 32 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN ECC Unbuffered UDIMM KIT

Questions about this item

Will the 288-pin DDR4 UDIMM modules fit the four DIMM slots on the ASRock X570 Taichi?

Yes, each 32 GB stick uses the standard 288-pin DDR4 UDIMM form factor that matches the board's four DDR4 slots.

What is the correct seating order for the two 2Rx8 modules on the X570 Taichi?

Install the pair in the A2 and B2 slots first — the slots furthest from the CPU socket — to enable dual-channel operation.

Does the lack of a heat spreader on these 1.2 V modules affect long-term reliability?

No, the modules run at the standard 1.2 V JEDEC voltage and are validated for continuous operation without additional cooling.

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