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Two green DDR4 RDIMM modules, black chips, no heat spreader

NEMIX RAM

NEMIX RAM 64GB 2x32GB DDR4 3200 CL22 ECC RDIMM memory upgrade

SKU CH-PMGK-5593E

64 GB DDR4 3200 ECC registered server kit in two 32 GB modules at CL22 latency and 1.2 V

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V

Capacity 64GB 2X32GB

Show 4 more
  • 64 GB total capacity for demanding server workloads
  • DDR4 3200 speed with CL22 latency for responsive performance
  • ECC registered design protects data integrity in critical applications
  • 2Rx4 dual-rank modules maximise memory density per channel
  • 2 V operation reduces power draw in 24/7 environments

64 GB DDR4 ECC RDIMM kit

This kit provides two 32 GB registered DIMMs for servers and workstations that require error-correcting memory. It is built for the ASRock Rack ROMED8-2T motherboard and AMD EPYC platforms. Systems needing unbuffered or non-ECC modules cannot use this kit.

DDR4 3200 registered limits

Registered DDR4 at 3200 MT/s adds a clock cycle of buffering that stabilises heavy loads but prevents use in consumer boards that expect unbuffered DIMMs. The 288-pin form factor fits only DDR4 RDIMM slots, not UDIMM or SO-DIMM sockets. Mixing with unbuffered memory will prevent the system from posting.

CL22 latency at 1.20 V

The modules run at CAS latency 22 with a standard 1.20 V supply, a timing that the memory controller must support natively. If the platform forces a lower latency or a higher voltage, these DIMMs will not train at the rated speed.

How it compares

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

Price $565.99
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 $8.84 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 lineASRock Server Motherboard Compatible Series Memory
Model nameASRock DDR4 3200 MHz ECC RDIMM Registered Server Memory
Part numberMR25600-324K2
Total capacity64 GB (2 × 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 rank2Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsASRock
In the box
Included items64 GB (2 × 32 GB) DDR4 3200 MHz PC4-25600 2Rx4 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

Should I pick the 64 GB kit or a different capacity for my ASRock Rack ROMED8-2T?

The kit provides 64 GB total as two 32 GB modules, matching the board's RDIMM slots and registered ECC requirement for EPYC platforms.

What does the DDR4 3200 CL22 rating deliver in a live EPYC server?

The modules run at 3200 MT/s with 22 cycle latency at 1.2 V, giving the rated PC4-25600 bandwidth once the memory controller initialises the registered DIMMs.

How does the 288-pin RDIMM interface limit speed and capacity on this motherboard?

The 288-pin registered DDR4 interface caps operation at the JEDEC 3200 MT/s standard and supports the 2Rx4 organisation used by these 32 GB modules.

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