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Two green DDR5 RDIMM modules with black chips, no heat spreader, 288-pin edge connectors

NEMIX RAM

NEMIX RAM 192GB (2x96GB) DDR5 6400 CL52 1.1V ECC Registered RDIMM memory upgrade

SKU CH-861M-RC27Q

192 GB DDR5 6400 CL52 2Rx4 ECC registered RDIMM kit built for ASRock Rack GNR2D16-2T servers

  • Capacity192GB (2 x 96GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes

Size 192GB 2X96GB

Show 4 more configurations
  • 192 GB capacity in a 2 x 96 GB kit
  • DDR5 6400 speed with CL52 latency
  • 10 V registered ECC RDIMM for server stability
  • 2Rx4 dual-rank design fully populates slots
  • Verified fit for ASRock Rack GNR2D16-2T motherboard

Exact-match server upgrade

This 192GB kit delivers two 96GB DDR5 RDIMMs rated at 6400MHz with CL52 latency and 1.10V operation. Registered ECC architecture ensures the ASRock Rack GNR2D16-2T motherboard recognises full capacity at rated speed without manual tuning.

Sustained-load stability

Registered buffering offloads the memory controller so every slot remains fully populated at full throughput during continuous workloads. ECC corrects single-bit errors on the fly, preventing silent data corruption and unplanned reboots in production environments.

Replaces smaller RDIMM sets

The kit upgrades configurations using lower-capacity registered modules when the board supports 96GB per slot and DDR5-6400 timing. Not suited for systems requiring unbuffered UDIMMs, SODIMM form factors, or voltages other than 1.10V.

Highlights

  • 192 GB capacity in a 2 x 96 GB kit
  • DDR5 6400 speed with CL52 latency
  • 10 V registered ECC RDIMM for server stability
  • 2Rx4 dual-rank design fully populates slots
  • Verified fit for ASRock Rack GNR2D16-2T motherboard

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-9624K2
Capacity192GB (2 x 96GB)
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 Content192GB 2X96GB DDR5 6400MHz PC5-51200 2Rx4 1.1V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How much heat do these 1.1V DDR5 RDIMMs produce when the server runs continuously?

At 1.10 V these modules draw less power than higher-voltage DDR5, so sustained operation keeps thermals modest; ensure the chassis airflow matches the board's population rules for all 16 slots.

Does my ASRock Rack GNR2D16-2T motherboard need a specific BIOS version or CPU to recognise the full 192 GB kit?

The kit is validated for the GNR2D16-2T at DDR5 6400 CL52; consult the board manual for supported CPU generations, required BIOS revision and the exact DIMM population order before installing.

Can I mix this 2Rx4 CL52 kit with existing DDR5 RDIMMs of a different rank or timing?

Registered ECC allows full-slot population, but mixing ranks or latencies usually forces the controller to the slowest common settings; for production stability populate all channels with identical 2Rx4 CL52 modules.

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