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Four green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 64GB (4x16GB) DDR5 4800 CL40 ECC RDIMM memory upgrade for Dell PowerEdge XE9640

SKU CH-22S0-B6DAJ

A 64 GB kit of four 16 GB DDR5 4800 CL40 ECC registered DIMMs built for the Dell PowerEdge XE9640 server

  • Capacity64GB (4 x 16GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 64 GB kit expands Dell PowerEdge XE9640 memory capacity
  • DDR5 4800 speed accelerates data-intensive server workloads
  • ECC registered design protects mission-critical data integrity
  • 10 V operation reduces power draw per module
  • 288-pin RDIMM form factor ensures direct slot compatibility

Dell PowerEdge XE9640 memory kit

This 64GB kit contains four 16GB DDR5 modules built for the Dell PowerEdge XE9640 rack server. Each stick runs at 4800 MT/s with CL40 latency and operates at 1.1V. The registered ECC design adds error correction and signal buffering for stable operation in multi-socket platforms.

Replaces slower or smaller DDR5 RDIMMs

The upgrade is worthwhile when the server currently runs below 4800 MT/s or has fewer than four populated slots. Moving to this speed and capacity reduces latency-bound stalls in memory-heavy workloads such as virtualization, database caching and HPC jobs.

Fits 288-pin DDR5 RDIMM slots on the XE9640

The modules require a motherboard that supports registered ECC DDR5 at 1.1V. No heat spreaders are fitted, so airflow across the DIMM area must be adequate. Populating all four channels frees the remaining slots for future expansion while delivering full bandwidth to the CPU memory controllers.

Points forts

  • 64 GB kit expands Dell PowerEdge XE9640 memory capacity
  • DDR5 4800 speed accelerates data-intensive server workloads
  • ECC registered design protects mission-critical data integrity
  • 10 V operation reduces power draw per module
  • 288-pin RDIMM form factor ensures direct slot compatibility

Caractéristiques

BrandNEMIX RAM
SeriesDell Server/Workstation Compatible Series Memory
ModelDell DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-618K4
Capacity64GB (4 x 16GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemDell
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank1Rx8
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content64GB (4X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions sur cet article

Will four 288-pin DDR5 RDIMMs fit the XE9640 memory slots?

Yes, each 16 GB module uses the standard 288-pin DDR5 RDIMM form factor that matches the XE9640 DIMM sockets.

What is the correct seating order for the 1Rx8 modules in the XE9640?

Populate the slots in the sequence shown in the Dell XE9640 service manual — typically one module per channel per CPU — and press until both ejector clips click.

How often should 1.1 V DDR5 ECC RDIMMs be replaced in a XE9640 deployment?

ECC RDIMMs have no scheduled replacement interval; monitor corrected-error counts in the BMC and swap any module that exceeds the platform threshold.

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