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Two green DDR4 RDIMM modules without heat spreaders, 288-pin, 64GB kit

NEMIX RAM

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

SKU CH-J3KD-1EJMM

64 GB dual-rank ECC registered DDR4 kit runs at 3200 MHz with CL22 timing for Supermicro X12SPA-TF servers

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

Size 64GB 2X32GB

Show 8 more
  • 64 GB total capacity from two 32 GB modules for high-density server workloads
  • DDR4 3200 speed with CL22 latency delivers rated bandwidth for Supermicro X12SPA-TF
  • Registered ECC design offloads the memory controller and corrects single-bit errors automatically
  • 288-pin RDIMM form factor at 1.2 V matches the motherboard's exact slot requirements
  • 2Rx8 dual-rank organisation enables full-capacity population across all supported slots

Server-grade ECC RDIMM kit

This 64 GB kit delivers two 32 GB DDR4-3200 registered ECC modules built to the exact rank, voltage and timing the Supermicro X12SPA-TF memory controller expects. It targets administrators who need full-capacity population without compatibility guesswork. Buyers who need unbuffered UDIMMs or laptop SODIMMs cannot use this kit.

Thermals and power in normal use

Each module runs at 1.20 V with no heat spreader, relying on the server chassis airflow to keep temperatures in check. Registered buffering reduces electrical load on the memory controller, helping the system stay stable when every slot is filled. No active cooling or extra power connectors are involved.

What the bundle changes

The matched 2Rx8 pair enables the motherboard to recognise the full 64 GB at rated PC4-25600 speed and CL22 latency without manual tuning. ECC corrects single-bit errors on the fly, preventing silent data corruption that could halt production workloads. Lifetime replacement coverage and US-based technical support back the installation.

How it compares

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

Price $609.99
Pricier than about 54% of the 21,161 comparable items (median $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 $9.53 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 lineNEMIX RAM Original Series Server Memory
Model nameDDR4 ECC RDIMM Registered Server Memory
Part numberMR25600-328K2
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
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSupermicro
In the box
Included items64 GB 2 × 32 GB DDR4 3200 MHz PC4-25600 2Rx8 1.2 V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install the 288-pin RDIMM modules on the Supermicro X12SPA-TF and which population order should I follow?

Power down the server, open the chassis, and insert each 32 GB module into the DIMM slots specified by the Supermicro X12SPA-TF manual for a two-DIMM configuration; the registered design requires the exact slot order the board expects so the memory controller initialises both ranks at 3200 MHz.

Will the Samsung, Micron or Hynix chips on these RDIMMs need any firmware updates or scheduled replacement?

The DRAM chips are fixed components with no field-updatable firmware; ECC corrects single-bit errors on the fly, and the modules are rated for continuous server operation at 1.2 V with no planned replacement interval.

What thermal or electrical limit appears first when all 64 GB run at 3200 MHz continuously?

The 1.2 V operating voltage and registered architecture keep power draw within the DDR4 RDIMM specification, so the first practical limit is the motherboard's maximum supported capacity and slot population rules rather than a module-level thermal throttle.

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