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Four green DDR4 RDIMM modules without heat spreaders in a kit

NEMIX RAM

NEMIX RAM 128GB 4x32GB DDR4 3200MHz PC4-25600 CL22 2Rx8 1.2V ECC Registered RDIMM Kit for Supermicro X12SPA-TF

SKU CH-M8SQ-9V58P

A 128 GB DDR4 kit with four 32 GB registered ECC modules running at 3200 MHz CL22 for the Supermicro X12SPA-TF motherboard

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered

Size 128GB 4X32GB

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  • 128 GB kit keeps every slot populated at rated speed
  • Registered ECC design catches single-bit errors on the fly
  • CL22 timing matches the board's memory controller exactly
  • 2 V DDR4 modules run at standard server voltage
  • 288-pin RDIMM form factor fits the Supermicro X12SPA-TF

Exact-Match DDR4 Kit

This 128GB kit contains four 32GB DDR4 3200MHz PC4-25600 Registered ECC RDIMMs built to the precise rank, voltage and timing the Supermicro X12SPA-TF expects. It targets administrators who need the board to recognise full capacity at rated speed without manual tuning.

Installation Notes

Modules use the 288-pin RDIMM form factor this board requires, not UDIMM or SODIMM, so they seat in the standard server DIMM slots. The main risk is ignoring the motherboard manual population order; wrong slot sequence can prevent boot or reduce usable capacity.

Capacity and Headroom

Four ranks of 2Rx8 chips deliver 128GB at 1.2V CL22, letting the memory controller run every slot fully populated at the rated 3200MT/s. Headroom ends when the platform's maximum supported DIMM count or total capacity is reached, which varies by BIOS revision and CPU configuration.

How it compares

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

Price $1,146.99
Pricier than about 62% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $8.96 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 numberMR25600-328K4
Total capacity128 GB (4 × 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 items128 GB 4 × 32 GB DDR4 3200 MHz PC4-25600 2Rx8 1.2 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How do I confirm the kit runs at DDR4 3200 with CL22 after installing it in a Supermicro X12SPA-TF?

Enter the BIOS and verify the memory speed reads 3200 MT/s, CAS latency shows 22, voltage is set to 1.20 V, and all four 32 GB modules appear as registered ECC DIMMs.

What comes in the box and do I need any extra parts for installation?

The package includes four 32 GB 288-pin DDR4 RDIMMs for a total of 128 GB; no additional components are required for installation.

Which capacity kit should I choose for a fully populated four-slot configuration on the X12SPA-TF?

The 128 GB kit with four 32 GB modules fills all four slots and matches the board's registered ECC requirements.

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