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Green circuit board with black memory chips and gold edge connectors

NEMIX RAM

NEMIX RAM 32GB DDR5 4800 ECC RDIMM 2Rx8 CL40 1.1V 288-Pin Dell PowerEdge XE9640 memory upgrade

SKU CH-TBBJ-97HWQ

32 GB DDR5-4800 ECC registered RDIMM, CL40 1.10 V, 2Rx8 288-pin for Dell PowerEdge XE9640

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 32 GB capacity expands server memory headroom
  • DDR5 4800 speed delivers high bandwidth for demanding workloads
  • ECC registered design protects data integrity in mission-critical systems
  • 1 V operation reduces power draw per module
  • Validated for Dell PowerEdge XE9640 compatibility

Dell PowerEdge XE9640 memory upgrade

This 32GB DDR5 4800 ECC RDIMM is built for the Dell PowerEdge XE9640 server platform. It delivers registered error-correcting memory for workloads that require data integrity and system stability. The module suits IT teams upgrading compatible Dell enterprise servers.

Sustained load behaviour with ECC registered DDR5

Registered buffering and on-die ECC maintain signal quality and correct single-bit errors during continuous operation. The 1.10V operating voltage and CL40 latency support steady throughput under prolonged enterprise workloads. Major OEM Samsung, Micron or Hynix chips provide consistent reliability across extended duty cycles.

Installation notes for 288-pin RDIMM modules

The 288-pin DDR5 RDIMM form factor fits the XE9640 memory slots without adapters. Dell servers often require specific population rules per CPU socket; consult the system service manual for correct slot order. Mixing ranks or speeds across channels can prevent POST or reduce bandwidth.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $932.99
Pricier than about 60% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $29.16 per GB
Pricier than about 83% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineDell Server/Workstation Compatible Series Memory
Model nameDell DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-328K1
Total capacity32 GB
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsDell
In the box
Included items32 GB (1 × 32 GB) DDR5 4800 MHz PC5-38400 2Rx8 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

Will the 1.1 V 32 GB DDR5 4800 CL40 RDIMM run hotter or draw more power than lower-voltage DDR5 in a Dell PowerEdge XE9640?

At 1.10 V this module operates at the standard DDR5 voltage, so heat and power draw match the platform design for 4800 MT/s registered ECC memory.

Does the Dell PowerEdge XE9640 need any specific BIOS setting or firmware version to recognise this 2Rx8 ECC RDIMM?

The module is built to Dell specifications for the PowerEdge XE9640; the server's memory controller handles 2Rx8 registered ECC DDR5 without extra configuration.

Can this 288-pin DDR5 4800 CL40 RDIMM share memory channels with other DDR5 4800 modules already installed in the XE9640?

Yes, the 32 GB 2Rx8 registered ECC DIMM follows the JEDEC DDR5 4800 standard, so it can populate open slots alongside identical-speed DDR5 modules in the same server.

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