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Green rectangular DDR4 RDIMM module with black chips and gold edge connectors

RIMLANCE

RIMLANCE RRD21300S8C8 8GB DDR4 2666 CL19 ECC Registered RDIMM

SKU CH-22HD-BJ75Y

8GB DDR4 2666 CL19 ECC registered RDIMM with 1Rx8 layout and 1.2 V operation

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Buffer typeRegistered
  • Memory rank1Rx8
  • ECC protection prevents data corruption with registered DDR4 design
  • CL19 latency at 2666 MT/s supports responsive server workloads
  • 2 V operation reduces power draw in dense memory configurations
  • 1Rx8 rank layout enables flexible capacity scaling on 288-pin slots
  • Major-brand DRAM chips validated through rigorous QA testing

Server Memory Module

This RIMLANCE RRD21300S8C8 is an 8GB DDR4 2666 registered DIMM with ECC and CL19 latency. It is built for servers and workstations that require registered memory with error correction. The single-rank 1Rx8 design uses major-brand DRAM chips at 1.2V. Buyers needing unbuffered memory for consumer desktops cannot use this module.

Installation Notes

The module fits standard 288-pin DDR4 server slots and installs like any RDIMM. Compatibility depends entirely on the platform Qualified Vendor List; many consumer boards will not post with registered ECC memory. Verify that your system supports DDR4 registered DIMMs before purchase. No special tools or configuration beyond correct slot population are required.

Capacity And Headroom

Eight gigabytes provides a modest footprint for entry-level virtualization, light database tasks, or memory-bound services. Workloads that scale beyond a few concurrent VMs or large in-memory datasets will exhaust this capacity quickly. The 2666 MT/s speed and CL19 timing deliver stable throughput for supported platforms. Systems needing higher density per slot should consider larger registered modules.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $50.99
Cheaper than about 84% of the 6,523 comparable items (median $188.99).
Total capacity 8 GB
Lower than about 80% of the 6,064 comparable items (median 32 GB).
Price per GB $6.37 per GB
Cheaper than about 60% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameRIMLANCE
Model nameRRD21300S8C8
Total capacity8 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL19
ECC supportYes
Buffer typeRegistered
Memory rank1Rx8

Questions about this item

How do I verify the module is running at 2666 MT/s after installation?

Enter the server BIOS or UEFI and open the memory information screen; it should show DDR4-2666 with CL19 timings and registered ECC operation.

What comes in the box and is anything else required for installation?

The box contains one 8 GB 288-pin DDR4 RDIMM; no extra parts are needed if the server has free registered DIMM slots.

Which capacity should I choose if I need to populate multiple channels on a dual-socket board?

Each RRD21300S8C8 module is 8 GB; buy one per channel you want to fill so the memory controller can interleave evenly.

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