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Eight green DDR4 RDIMM sticks in a row

NEMIX RAM

NEMIX RAM 256GB (8x32GB) DDR4 3200 ECC RDIMM CL22 2Rx8 1.2V memory upgrade

SKU CH-0Z0S-4DHS1

Eight-module 256 GB DDR4-3200 ECC registered kit with CL22 latency and 1.2 V operation for ASUS EPYC 7002 server boards

  • Total capacity256 GB (8 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V

Capacity 256GB 8X32GB

Show 3 more
  • 256 GB capacity scales memory-heavy workloads across eight 32 GB modules
  • DDR4 3200 speed with CL22 latency feeds data to EPYC 7002 processors
  • ECC registered design detects and corrects single-bit errors for server stability
  • 2 V operation reduces power draw per module in dense configurations
  • Validated for ASUS KRPA-U16 motherboard with 288-pin RDIMM slots

Capacity and Compatibility

This 256GB kit contains eight 32GB DDR4 3200 RDIMM modules built for the ASUS KRPA-U16 motherboard. It targets administrators expanding EPYC 7002 servers that require registered ECC memory at 1.20V.

Build and Connectors

Each module uses a 288-pin DDR4 RDIMM form factor with 2Rx8 organisation and CL22 latency. The registered design adds a buffer for signal integrity in high-density configurations, while the lack of heat spreaders keeps the profile low for dense server chassis.

Upgrade Path

The kit replaces lower-capacity DDR4 RDIMM sets or fills empty slots on the KRPA-U16 platform. The jump is worth it when workloads exceed the current memory ceiling and the board supports the full 256GB population.

How it compares

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

Price $2,246.99
Pricier than about 70% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (8 × 32 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $8.78 per GB
Typical for this category: the median of 20,941 items is $8.19 per GB.

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Specifications

Product
Brand nameNEMIX RAM
Product lineASUS Server Motherboard Compatible Series Memory
Model nameASUS DDR4 3200 MHz ECC RDIMM Registered Server Memory
Part numberMR25600-328K8
Total capacity256 GB (8 × 32 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
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsASUS
In the box
Included items256 GB (8 × 32 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN ECC RDIMM Registered Server Memory KIT

Other versions of this model

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Questions about this item

What bandwidth does the DDR4 3200 PC4-25600 interface deliver in practice?

The DDR4 3200 PC4-25600 interface delivers up to 25600 MB/s theoretical bandwidth; actual throughput depends on the ASUS KRPA-U16 platform and EPYC 7002 memory controller.

What physical slot and module dimensions are required for these 288-pin RDIMMs?

Each module uses a standard 288-pin DDR4 RDIMM form factor without heat spreaders; the ASUS KRPA-U16 motherboard must provide registered DIMM slots supporting 2Rx8 organisation.

How are the eight 32 GB modules installed on the ASUS KRPA-U16, and which step is commonly missed?

Populate all eight slots per the motherboard's population rules for EPYC 7002; the step often missed is verifying the BIOS recognises all 256 GB at 3200 MT/s with CL22 timings after seating.

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