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Eight green DDR4 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 512GB (8×64GB) DDR4 3200 CL22 2Rx4 ECC Registered RDIMM memory upgrade for Supermicro X12SPA-TF

SKU CH-W4ZT-T8EJ6

Eight 64 GB DDR4-3200 registered ECC modules deliver 512 GB at 1.2 V with CL22 latency for the Supermicro X12SPA-TF

  • Total capacity512 GB (8 × 64 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered

Size 512GB 8X64GB

Show 8 more
  • 512 GB total capacity from eight 64 GB modules for maximum server density
  • DDR4 3200 CL22 at 1.2 V delivers rated speed with standard voltage
  • Registered ECC 2Rx4 design corrects errors and supports full population
  • 288-pin RDIMM form factor matches Supermicro X12SPA-TF memory slots exactly
  • Built with major OEM Samsung Micron Hynix chips for enterprise reliability

Exact-match DDR4 3200 kit for Supermicro X12SPA-TF

This 512GB kit contains eight 64GB Registered ECC RDIMMs built to the precise rank, voltage and timing the X12SPA-TF memory controller expects. It is intended for administrators who need the board to recognise the full capacity and run at its rated speed without manual tuning.

Registered architecture

The 2Rx4 Registered design offloads the memory controller so every slot runs fully populated at full capacity, while ECC catches and corrects single-bit errors on the fly. These traits stop silent data corruption and unplanned reboots before they reach production workloads.

512GB capacity suits large virtualisation

Eight modules fill the board's DIMM population rules and deliver headroom for memory-intensive applications. Builders who need more capacity than the board supports or who require a different form factor such as UDIMM or SODIMM 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 $3,890.99
Pricier than about 76% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (8 × 64 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $7.60 per GB
Typical for this category: the median of 20,941 items is $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 numberMR25600-924K8
Total capacity512 GB (8 × 64 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 rank2Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSupermicro
In the box
Included items512 GB 8 × 64 GB DDR4 3200 MHz PC4-25600 2Rx4 1.2 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Will the 2Rx4 ECC registered RDIMM modules need any firmware updates or periodic replacement?

No firmware updates are required for the DDR4 3200 CL22 1.2V modules, and ECC registered memory has no scheduled replacement interval under normal server operation.

What is the first limit reached when all eight 64GB sticks run at DDR4 3200 continuously?

The memory controller on the Supermicro X12SPA-TF reaches its maximum supported capacity of 512GB across the 288-pin RDIMM slots before any thermal or bandwidth ceiling appears.

How much heat and noise do the 1.2V 2Rx4 RDIMMs add when the server runs 24/7?

The modules have no heat spreaders and draw 1.2V at DDR4 3200, so they add minimal heat and zero audible noise; system fans handle any thermal load.

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