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

NEMIX RAM

NEMIX RAM 16GB 2x8GB DDR4 3200MHz PC4-25600 CL22 1.2V 1Rx8 ECC Registered RDIMM Kit Supermicro X12SPA-TF

SKU CH-6P4N-J3PFA

A 16 GB DDR4 registered ECC kit with two 8 GB modules running at 3200 MHz CL22 1.2 V, validated for the Supermicro X12SPA-TF motherboard

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered

Size 16GB 2X8GB

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  • Registered ECC design prevents silent data corruption and unplanned reboots
  • 16 GB dual-channel kit matches the board's population rules for full-speed operation
  • 3200 MHz DDR4 speed with CL22 timing runs at rated frequency without manual tuning
  • 2 V standard voltage keeps power draw low in dense server configurations
  • 288-pin RDIMM form factor fits the Supermicro X12SPA-TF memory slots exactly

Exact-match DDR4-3200 ECC RDIMM kit

This 16 GB kit provides two 8 GB Registered ECC DDR4-3200 modules built to the Supermicro X12SPA-TF motherboard's precise rank, voltage and timing requirements. The 1Rx8 organization and 1.2 V operation allow the memory controller to recognize full capacity and run at the rated PC4-25600 speed without manual tuning.

Replaces mismatched or slower RDIMMs

Upgrading from lower-frequency DDR4 or mixed-rank DIMMs eliminates population-rule conflicts and restores the board's intended bandwidth. The jump is worthwhile when the server currently runs at reduced speed, reports corrected ECC errors or cannot populate all slots with the existing configuration.

16 GB headroom for typical dual-socket workloads

The 16 GB total capacity handles virtualization hosts, database buffers and multi-threaded applications that fit within this footprint. Workloads requiring larger per-socket memory pools or higher-density DIMMs will exceed the kit's capacity and need a different module configuration.

How it compares

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

Price $164.99
Cheaper than about 60% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $10.31 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 numberMR25600-818K2
Total capacity16 GB (2 × 8 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 rank1Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSupermicro
In the box
Included items16 GB 2 × 8 GB DDR4 3200 MHz PC4-25600 1Rx8 1.2 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Will these 288-pin RDIMMs physically fit the Supermicro X12SPA-TF motherboard slots?

Yes, the kit uses the 288-pin DDR4 RDIMM form factor that the X12SPA-TF requires; it is not a UDIMM or SODIMM, so the modules seat correctly in the server's DIMM sockets.

What is the correct installation sequence for this 2x8GB registered ECC kit on the X12SPA-TF?

Consult the motherboard manual for the approved DIMM population order; registered ECC modules must be installed in the specific slot sequence the board defines to initialise at full 3200 MHz speed.

How often will the ECC registered modules need replacement under normal server workloads?

The modules carry a lifetime replacement warranty and have no scheduled replacement interval; ECC corrects single-bit errors on the fly, so they remain in service until a hardware fault occurs.

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