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Green rectangular DDR4 RDIMM module with black memory chips and gold contacts, no heat spreader

NEMIX RAM

NEMIX RAM 16GB DDR4 2666 ECC RDIMM 2Rx8 CL19 1.2V 288-pin Dell PowerEdge XR2 memory upgrade

SKU CH-CQSP-ZZS6J

16GB DDR4 2666 ECC RDIMM 2Rx8 CL19 1.2V 288-pin for Dell PowerEdge XR2

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL19
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • ECC protection prevents data errors in servers
  • Registered design stabilises heavy workloads on Dell PowerEdge XR2
  • 16 GB DDR4 2666 adds responsive capacity
  • Low 1.2 V voltage reduces power draw
  • 288-pin RDIMM fits straight into the motherboard

Dell PowerEdge XR2 compatible ECC RDIMM

This 16 GB DDR4 2666 module is built for the Dell PowerEdge XR2 rack server. It uses registered ECC technology to protect data integrity in mission-critical workloads. The single-rank 2Rx8 organisation fits the platform’s validated memory list. IT teams can install it without additional configuration steps.

Low-voltage registered operation

The module runs at 1.2 V, matching the standard DDR4 server voltage envelope. Registered buffering reduces electrical load on the memory controller during sustained throughput. No heat spreader is fitted, relying on the chassis airflow design for cooling. Power draw stays within the platform’s qualified limits for dense configurations.

Single-module upgrade path

The package contains one 16 GB RDIMM, allowing incremental capacity increases per slot. Lifetime replacement coverage is backed by the manufacturer’s validation programme. Rigorous stress testing under load is performed before shipment to verify stability. Compatibility is limited to the specified Dell server model.

How it compares

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

Price $101.99
Cheaper than about 67% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $6.37 per GB
Cheaper than about 62% 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 numberMR21300-628K1
Total capacity16 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 rank2Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell
In the box
Included items16 GB (1 × 16 GB) DDR4 2666 MHz PC4-21300 2Rx8 1.2 V CL19 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

How do I install this 288-pin DDR4 RDIMM in the PowerEdge XR2 and what step is often missed?

Power down the server, open the chassis, align the notch on the 288-pin module with the slot key, press firmly until both retention clips click, then enable ECC in the BIOS before booting the OS.

What maintenance or replacement will this 16GB ECC RDIMM need over its service life?

No scheduled maintenance is required; the module has no heat spreader or moving parts, so replacement is only necessary if a memory diagnostic reports uncorrectable errors or capacity needs increase.

What limit appears first when this CL19 2666MHz registered DIMM runs sustained workloads?

The CAS latency of CL19 at 2666MHz sets the timing boundary; sustained throughput is capped by the 21300 MT/s data rate and the registered buffer adds one cycle of latency per command.

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