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Two green DDR5 RDIMM modules, no heat spreaders, gold contacts visible

NEMIX RAM

NEMIX RAM 256GB (2x128GB) DDR5 6400 CL52 1.1V 2Rx4 ECC RDIMM memory upgrade

SKU CH-QWJ5-QNCF4

A 256GB DDR5 6400 CL52 ECC RDIMM kit (2x128GB, 1.1V, 2Rx4) validated for ASRock Rack TURIN2D24XGM/500W

  • Capacity256GB (2 x 128GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes

Size 256GB 2X128GB

  • 256 GB total capacity from two 128 GB modules
  • DDR5 6400 speed with CL52 latency at 1.1 V
  • Registered ECC design corrects single-bit errors automatically
  • 2Rx4 dual-rank organisation for full-capacity population
  • Exact match for ASRock Rack TURIN2D24XGM/500W motherboard

Exact-match DDR5 server kit

This 256 GB kit contains two 128 GB DDR5 RDIMM modules rated at 6400 MT/s with CL52 latency and 1.1 V operation. Registered ECC architecture and 2Rx4 organisation deliver the signal integrity and error correction required for production server workloads. The 288-pin form factor matches the ASRock Rack TURIN2D24XGM/500W motherboard specification.

Verify motherboard population rules

Check the system or motherboard manual for supported capacities, approved DIMM population order and installation steps before ordering. The board requires registered RDIMM modules, not unbuffered UDIMM or SODIMM variants. Confirm that your firmware revision recognises the full 256 GB capacity at the rated speed.

Sustained enterprise stability

Registered buffering offloads the memory controller so every slot runs fully populated at full capacity without signal degradation. On-die ECC corrects single-bit errors on the fly, preventing silent data corruption and unplanned reboots during continuous operation. Lifetime replacement coverage and US-based technical support back the deployment.

Pontos fortes

  • 256 GB total capacity from two 128 GB modules
  • DDR5 6400 speed with CL52 latency at 1.1 V
  • Registered ECC design corrects single-bit errors automatically
  • 2Rx4 dual-rank organisation for full-capacity population
  • Exact match for ASRock Rack TURIN2D24XGM/500W motherboard

Especificações

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-724K2
Capacity256GB (2 x 128GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL52
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemASRock Rack
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content256GB 2X128GB DDR5 6400MHz PC5-51200 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Perguntas sobre este artigo

Does the kit include both 128 GB modules or do I need to buy a second kit?

The package contains the full 256 GB kit — two 128 GB DDR5 6400 CL52 1.1 V 2Rx4 ECC RDIMM modules — so nothing else is required for a 256 GB upgrade.

Should I choose this 256 GB 6400 CL52 kit or a different capacity or speed for my ASRock Rack TURIN2D24XGM/500W board?

This 256 GB DDR5 6400 CL52 2Rx4 RDIMM kit is the exact specification validated for the TURIN2D24XGM/500W; other capacities or speeds are not confirmed for this motherboard.

Will the DDR5 6400 rating actually run at 6400 MT/s once installed in the server?

Yes — the modules are spec-matched to the board's DDR5 6400 controller, so the memory controller recognises them at full capacity and operates at the rated 6400 MT/s speed.

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