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Eight green DDR5 RDIMM sticks in a row

NEMIX RAM

NEMIX RAM 1TB (8x128GB) DDR5 6400MHz CL52 4Rx4 ECC RDIMM Dell PowerEdge XE9685L memory upgrade

SKU CH-PYYE-Q55K1

Eight 128 GB DDR5 ECC RDIMM modules at 6400 MHz CL52 1.1 V for Dell PowerEdge XE9685L servers

  • Capacity1TB (8 x 128GB)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • Compatible SystemDell

Size 1TB 8X128GB

Show 6 more configurations

Speed 6400MHz

  • 1TB capacity with eight 128GB modules for large-scale workloads
  • DDR5 6400MHz speed for high-throughput server applications
  • ECC registered design detects and corrects data errors
  • 4Rx4 organisation maximises density per DIMM slot
  • 1V operation reduces power draw in dense configurations

Dell PowerEdge XE9685L memory kit

This 1 TB kit contains eight 128 GB DDR5 registered DIMMs built for the Dell PowerEdge XE9685L rack server. Each module operates at 6400 MHz with a CAS latency of 52 and runs at 1.1 V. The ECC RDIMM design targets enterprise workloads that demand data integrity and maximum installed capacity.

Registered 288-pin DDR5 RDIMM form factor

The modules use the standard 288-pin DDR5 RDIMM connector and a 4Rx4 rank organisation. Registered buffering reduces electrical load on the server memory controller, allowing all eight slots to be populated without signal degradation. No heat spreaders are fitted, so airflow in the chassis must handle thermal management.

DDR5 6400 MHz platform limit

The memory controller in the qualified platform sets the effective ceiling at 6400 MHz; faster modules will down-clock to this rate. Total capacity is capped by the number of DIMM slots and the 4Rx4 rank density the board accepts. Buyers needing higher frequencies or lower latencies must verify motherboard support before ordering.

Highlights

  • 1TB capacity with eight 128GB modules for large-scale workloads
  • DDR5 6400MHz speed for high-throughput server applications
  • ECC registered design detects and corrects data errors
  • 4Rx4 organisation maximises density per DIMM slot
  • 1V operation reduces power draw in dense configurations

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-744K8
Capacity1TB (8 x 128GB)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemDell
CAS LatencyCL52
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank4Rx4
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content1TB (8 x 128GB) DDR5 6400MHz PC5-51200 4Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

What DDR5 standard and speed does this 1TB kit use, and what bandwidth does it provide?

The kit runs at DDR5 6400MHz (PC5-51200), delivering up to 51200 MB/s of peak bandwidth per module.

What physical slot and pin count do these 128GB modules require?

Each 128GB module is a 288-pin DDR5 RDIMM designed for server DIMM slots that accept registered ECC memory.

How do I install the eight modules in the PowerEdge XE9685L, and which step is often missed?

Populate all eight slots following the server's memory-configuration guide; the step most often missed is verifying the population order in the BIOS after installation.

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