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Two green circuit boards with black memory chips and gold edge connectors

NEMIX RAM

NEMIX RAM 32GB (2x16GB) DDR4 3200 CL22 ECC UDIMM SuperMicro R12SPD-A memory upgrade

SKU CH-RN2F-646PF

32 GB dual-channel DDR4-3200 ECC UDIMM kit with CL22 timing and 1.2 V operation for SuperMicro R12SPD-A systems

  • Capacity32GB (2 x 16GB)
  • SpeedDDR4 3200 (PC4 25600)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • ECC protection safeguards data integrity in critical workloads
  • 32GB dual-channel kit (2x16GB) expands memory capacity for demanding applications
  • DDR4 3200 speed delivers responsive performance for server tasks
  • 2V operation reduces power draw and heat output
  • Validated for SuperMicro R12SPD-A ensures reliable compatibility

SuperMicro R12SPD-A ECC upgrade

This 32 GB kit uses two 16 GB DDR4 3200 modules built for the SuperMicro R12SPD-A platform. ECC unbuffered operation protects data integrity in server and workstation workloads. The 2Rx8 organisation and 1.20 V voltage match the board's native memory specification. IT teams select this kit to expand capacity without changing the memory topology.

Sustained-load behaviour with CL22 timing

CL22 latency and 3200 MT/s throughput keep bandwidth steady during long compile jobs, database scans or virtual-machine hosting. ECC correction runs continuously without halting the pipeline when single-bit errors appear. Major-brand Samsung, Micron or Hynix ICs are stress-tested under load before shipping. The unbuffered design avoids registered-module overhead in this specific platform.

Tool-free DIMM installation and common pitfalls

Align the 288-pin edge connector with the keyed slot and press until the retention clips click; no heat spreader means a low profile that clears most CPU coolers. The usual error is mixing this kit with registered or different-rank modules, which prevents the system from posting. Verify the R12SPD-A memory population rules in the vendor manual before adding a second kit. Systems that require registered DIMMs cannot use this unbuffered set.

Highlights

  • ECC protection safeguards data integrity in critical workloads
  • 32GB dual-channel kit (2x16GB) expands memory capacity for demanding applications
  • DDR4 3200 speed delivers responsive performance for server tasks
  • 2V operation reduces power draw and heat output
  • Validated for SuperMicro R12SPD-A ensures reliable compatibility

Specifications

BrandNEMIX RAM
SeriesSuperMicro Server/Workstation Compatible Series Memory
ModelSuperMicro DDR4 3200MHZ ECC Unbuffered UDIMM
Part NumberME25600-628K2
Capacity32GB (2 x 16GB)
SpeedDDR4 3200 (PC4 25600)
ECCYes
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemSupermicro
CAS LatencyCL22
Heat SpreaderNo
Type288-Pin DDR4 ECC UDIMM
Rank2Rx8
FeaturesDDR4 ECC Unbuffered UDIMM Motherboard Compatible
Package Content32GB (2X16GB) DDR4 3200MHZ PC4-25600 2Rx8 1.2V CL22 288-PIN ECC Unbuffered UDIMM KIT

Questions about this item

Does the 1.2V CL22 ECC UDIMM kit run hot or draw extra power during continuous server workloads?

The modules operate at the standard DDR4 1.20V with no heat spreader, so power draw and thermals stay within normal JEDEC limits for 3200 MT/s unbuffered ECC DIMMs.

What motherboard slots and CPU memory controller does my Supermicro R12SPD-A need to accept this 288-pin DDR4 kit?

The board must provide DDR4 UDIMM slots with an unbuffered ECC-capable memory controller; the kit is validated for the R12SPD-A platform.

Can I keep existing 16 GB DDR4 ECC UDIMMs installed alongside this 2x16 GB kit in the same R12SPD-A system?

Yes, provided the older modules are also DDR4 ECC unbuffered UDIMMs; the controller will run all populated slots at a common supported speed.

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