We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Green printed circuit board with black memory chips and gold edge connector

NEMIX RAM

NEMIX RAM 32GB DDR5 4800 PC5-38400 CL40 1.1V 2Rx8 288-Pin ECC RDIMM Dell PowerEdge XE8640 memory upgrade

SKU CH-4Y5D-NTTEV

32 GB DDR5 ECC registered RDIMM running at 4800 MT/s with CL40 latency for Dell PowerEdge XE8640 servers

  • 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 throughput for demanding workloads
  • ECC registered design protects data integrity in critical applications
  • 1 V operation reduces power draw per module
  • 288-pin RDIMM form factor fits Dell PowerEdge XE8640 slots

Dell PowerEdge XE8640 memory upgrade

This 32 GB DDR5 registered DIMM is built for the Dell PowerEdge XE8640 rack server. It delivers error-correcting code protection and registered signalling for stable operation in multi-module configurations. System administrators expanding memory capacity in this specific platform will find the module validated for compatibility.

Replaces lower-capacity DDR5 RDIMMs

Upgrading from smaller registered modules to this 32 GB stick increases total system memory without adding extra slots. The jump is worth it when workloads such as virtualization, database caching or high-performance computing demand more addressable RAM per channel. Systems already running at the maximum supported module count cannot accept this addition.

Fits 288-pin DDR5 RDIMM slots at 1.1 V

The module installs directly into the server's registered DIMM sockets and operates at the standard 1.10 V. It requires a platform that supports DDR5 4800 registered ECC memory and sufficient free slots for the desired capacity. Builds needing unbuffered or non-ECC memory cannot use this part.

How it compares

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

Price $808.99
Pricier than about 58% 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 $25.28 per GB
Pricier than about 70% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

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

Does the 288-pin DDR5 RDIMM fit the Dell PowerEdge XE8640 memory slots?

Yes, the 288-pin DDR5 RDIMM form factor matches the XE8640 DIMM sockets exactly.

What BIOS setting must be checked after installing this ECC registered module?

Verify that ECC and registered mode are enabled in BIOS so the 2Rx8 module initialises correctly.

When should this 32GB DDR5 4800 module be replaced?

Replace it if memory diagnostics report uncorrectable ECC errors or the server logs repeated corrected error thresholds.

More in Model-Specific Memory Upgrades

Similar items