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Green rectangular circuit board with gold edge connectors and black memory chips, no heat spreader

NEMIX RAM

NEMIX RAM 8GB DDR4 2666 ECC RDIMM Dell PowerEdge R540

SKU CH-8SM5-ZKZMC

8GB DDR4 2666 ECC registered DIMM validated for Dell PowerEdge R540 servers

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL19
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • ECC protection prevents data corruption in critical workloads
  • Registered design stabilises signal integrity for server reliability
  • 2V operation reduces power draw per module
  • 288-pin DDR4 RDIMM fits Dell PowerEdge R540 slots
  • CL19 latency at 2666 MHz delivers responsive throughput

Dell PowerEdge R540 ECC RDIMM

This NEMIX RAM module is an 8 GB DDR4 2666 registered DIMM built for the Dell PowerEdge R540 rack server. It operates at 1.20 V with a CL19 latency and uses a 1Rx8 organisation across 288 pins. ECC and registered buffering provide the data-integrity required in production server environments.

Suited for single-slot capacity upgrades

Administrators expanding memory in a PowerEdge R540 will find this stick drops straight into a free slot without configuration changes. Systems that need unbuffered UDIMMs, non-ECC memory, or speeds above 2666 MT/s should look at a different module because this part is registered ECC only.

Handles typical virtualisation workloads

The 8 GB capacity and 2666 MT/s throughput comfortably run several virtual machines or container hosts on a single node. Workloads that demand larger per-socket footprints — such as in-memory databases or heavy analytics — will exhaust this module quickly and require higher-density RDIMMs.

How it compares

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

Price $56.99
Cheaper than about 76% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $7.12 per GB
Cheaper than about 57% 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 DDR4 2666 MHz ECC RDIMM Registered Server Memory
Part numberMR21300-818K1
Total capacity8 GB
Product type288-Pin DDR4 RDIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL19
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank1Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell
In the box
Included items8 GB (1 × 8 GB) DDR4 2666 MHz PC4-21300 1Rx8 1.2 V CL19 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

My Dell PowerEdge R540 currently runs single-rank DDR4 RDIMMs — will this 1Rx8 module install alongside them?

Yes, this is a single-rank 1Rx8 registered DDR4 DIMM, so it can populate the same channels as other 1Rx8 RDIMMs in your R540.

After seating the 288-pin DDR4 RDIMM, how do I confirm the server sees the full 8 GB at 2666 MT/s with ECC active?

Enter the BIOS or iDRAC on the R540 and verify total memory shows the new 8 GB module running at 2666 MT/s with ECC enabled.

What existing hardware must my Dell PowerEdge R540 already have for this 288-pin DDR4 RDIMM to function?

Your R540 needs an available DDR4 RDIMM slot and a processor that supports DDR4-2666 registered ECC memory.

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