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Green printed circuit board with black memory chips and gold edge connectors, no heat spreader

NEMIX RAM

NEMIX RAM 256GB DDR4 3200 CL22 8Rx4 ECC Registered RDIMM memory upgrade

SKU CH-6YNW-1XQ7B

256 GB DDR4 3200 registered ECC RDIMM, CL22 1.2 V, 8Rx4, 288-pin, validated for Supermicro X12QCH+

  • Total capacity256 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered

Size 256GB

Show 8 more
  • 256 GB capacity fills every slot on Supermicro X12QCH+
  • Registered ECC architecture corrects single-bit errors preventing data corruption
  • DDR4 3200 speed matches motherboard spec for rated performance
  • 2 V operation meets server power envelope without extra cooling
  • 8Rx4 288-pin RDIMM form factor fits board memory population rules

256GB DDR4 3200 ECC RDIMM Kit

This 256GB kit provides eight-rank registered DDR4 memory with ECC for Supermicro X12QCH+ servers. It runs at 3200 MT/s with CL22 latency at 1.2V. The registered design and error correction suit multi-socket workloads that demand full-capacity stability.

Verify Motherboard Population Rules

Confirm the X12QCH+ manual for approved DIMM population order and maximum supported capacity per slot before ordering. The board requires 288-pin RDIMM modules; UDIMM or SODIMM variants will not fit or function. Ensure the BIOS revision matches the vendor's qualified vendor list for this speed and rank configuration.

Replaces Lower-Capacity or Unbuffered Modules

The upgrade is worthwhile when moving from smaller RDIMM kits or from unbuffered ECC memory that cannot fill every slot at rated speed. Registered 8Rx4 architecture offloads the memory controller, allowing full population without downclocking. It does not suit platforms limited to UDIMM or single-rank configurations.

How it compares

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

Price $1,542.99
Pricier than about 65% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $6.03 per GB
Cheaper than about 65% 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 lineNEMIX RAM Original Series Server Memory
Model nameDDR4 ECC RDIMM Registered Server Memory
Part numberMR25600-2584K1
Total capacity256 GB
Product type288-Pin DDR4 RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Memory rank8Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSupermicro
In the box
Included items256 GB DDR4 3200 MHz PC4-25600 8Rx4 1.2 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Does the 256GB kit come as a single 288-pin RDIMM or do I need to buy additional modules?

The package content lists a 256GB DDR4 3200MHz PC4-25600 8Rx4 1.2V 288-pin ECC RDIMM kit, so the full capacity is included in one box.

Should I choose the 8Rx4 CL22 version or a different rank and latency for my Supermicro X12QCH+?

The 8Rx4 CL22 1.2V specification matches the exact rank, voltage and timing the X12QCH+ memory controller expects for full-capacity recognition at rated speed.

What does the PC4-25600 rating mean once the RDIMM is installed in the server?

PC4-25600 indicates a DDR4-3200 data rate; the registered ECC module will run at that speed with CL22 latency while correcting single-bit errors on the fly.

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