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Two green DDR4 UDIMM modules, no heat spreaders, 288-pin, 64GB kit

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR4 3200 CL22 ECC UDIMM for ASUS ROG Crosshair VIII Hero X570 memory upgrade

SKU CH-1YAN-NXR14

A 64 GB dual-channel DDR4-3200 ECC UDIMM kit with CL22 latency and 1.2 V operation, validated for the ASUS ROG Crosshair VIII Hero X570 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 with dual 32 GB modules for expanded multitasking
  • DDR4 3200 speed rated at PC4-25600 for responsive data throughput
  • ECC unbuffered design detects and corrects single-bit errors automatically
  • CL22 latency at 1.20 V balances timing with low power draw
  • 288-pin UDIMM form factor built for ASUS ROG Crosshair VIII Hero X570 compatibility

Capacity and Platform Match

This NEMIX RAM kit provides 64GB across two 32GB DDR4 3200 modules built for the ASUS ROG Crosshair VIII Hero X570 motherboard. It targets system builders who need ECC protection on a consumer platform without registered memory.

ECC Unbuffered Limits

The modules run at 1.20V with CL22 latency as unbuffered ECC UDIMMs, so they rely on the motherboard's memory controller for error correction instead of an onboard register. This design keeps latency low but restricts maximum capacity per slot compared to registered server DIMMs.

2Rx8 Organisation Decides Fit

Each 32GB stick uses a dual-rank 2Rx8 layout on 288 pins, which the X570 chipset must support natively for the kit to operate at the rated PC4-25600 speed. Builders whose boards limit rank count or require single-rank modules cannot use this kit.

How it compares

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

Price $454.99
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 $7.11 per GB
Cheaper than about 57% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineASUS Server Motherboard Compatible Series Memory
Model nameASUS 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 systemsASUS
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

Should I pick the 64GB kit or look for a smaller capacity for my Crosshair VIII Hero?

The kit provides 64GB total as two 32GB modules, filling two slots on the ASUS ROG Crosshair VIII Hero X570.

What does the 3200 speed actually deliver once installed in the board?

The modules run at DDR4 3200 (PC4-25600) with CL22 latency at 1.2V, giving the rated throughput on the X570 platform.

Is the 288-pin ECC UDIMM interface fully compatible with the Hero's memory slots?

Yes, the 288-pin DDR4 ECC UDIMM design matches the motherboard's unbuffered DIMM slots; ECC functions when the CPU and BIOS support it.

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