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Green rectangular DDR4 RDIMM module with black chips and gold contacts

NEMIX RAM

NEMIX RAM 64GB DDR4 3200 2Rx4 ECC RDIMM Supermicro H12SSW-NT memory upgrade

SKU CH-0ZKB-Y5B7X

64 GB DDR4-3200 ECC registered RDIMM for Supermicro H12SSW-NT EPYC servers

  • Total capacity64 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 64 GB capacity expands server memory headroom
  • DDR4 3200 speed delivers high bandwidth for demanding workloads
  • ECC registered design protects data integrity in mission-critical systems
  • 2Rx4 dual-rank organisation maximises density per DIMM slot
  • 2 V operation reduces power draw and heat output

Supermicro H12SSW-NT 64GB RDIMM upgrade

This 64GB DDR4 3200 module is built for the Supermicro H12SSW-NT motherboard running AMD EPYC processors. It delivers registered ECC memory with a 2Rx4 organisation and CL22 latency at 1.20V. The single 288-pin RDIMM adds capacity directly to compatible server or workstation platforms.

Suits administrators expanding EPYC server memory

Buyers who need non-ECC unbuffered DIMMs for consumer boards should look elsewhere. Systems that cannot accept registered modules or that require a different voltage will not support this part.

Installs in minutes with standard DIMM slots

Align the notch on the 288-pin edge connector and press firmly until the retention clips engage. The most common issue is mixing registered and unbuffered DIMMs in the same channel, which prevents the system from posting.

How it compares

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

Price $414.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $6.48 per GB
Cheaper than about 61% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineSuperMicro Server/Workstation Compatible Series Memory
Model nameSuperMicro DDR4 3200 MHz ECC RDIMM Registered Server Memory
Part numberMR25600-924K1
Total capacity64 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 systemsSupermicro
In the box
Included items64 GB (1 × 64 GB) DDR4 3200 MHz PC4-25600 2Rx4 1.2 V CL22 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

Does this 288-pin DDR4 3200 RDIMM need an EPYC-based Supermicro H12SSW-NT motherboard to operate?

Yes, this module is validated for the Supermicro H12SSW-NT platform which uses AMD EPYC processors; it will not function in consumer desktop boards that require unbuffered DIMMs.

Can I mix this 2Rx4 64GB registered stick with older 1Rx4 or 2Rx8 DDR4 3200 RDIMMs in the same server?

Mixing ranks is possible if the motherboard supports it, but population rules for the H12SSW-NT must be followed — consult the board manual for approved rank-per-channel configurations.

After installation, how can I confirm the module is running at 3200 MT/s with ECC active?

Enter the BIOS or use a tool such as dmidecode on Linux to verify the reported speed shows 3200 MT/s and the ECC status reads enabled for this DIMM slot.

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