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Two green circuit boards with black memory chips and gold edge connectors

RIMLANCE

RIMLANCE 8GB (2x4GB) DDR4 2666MHz CL19 UDIMM 1Rx16 desktop RAM

SKU CH-E0CM-BE754

An 8 GB dual-channel DDR4 kit running at 2666 MHz with CL19 latency and 1.2 V operation

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit
  • Dual-channel kit doubles bandwidth for smoother multitasking
  • 2666 MHz DDR4 speed accelerates data-intensive workloads
  • CL19 latency keeps response times tight
  • 2 V operation reduces power draw and heat
  • 288-pin UDIMM fits standard desktop slots

Kit Capacity and Use

This 8 GB dual-channel kit consists of two 4 GB DDR4 UDIMM modules rated at 2666 MHz CL19. It targets desktop users who want a straightforward memory upgrade for everyday multitasking and mainstream workloads. The 1.2 V operating voltage matches standard DDR4 specifications for broad platform compatibility.

Build Integration

Each module uses a 288-pin unbuffered DIMM form factor with 1Rx16 chip organisation, so it installs directly into standard desktop memory slots without registration or ECC overhead. The dual-channel kit frees up the remaining slots on a four-slot board for future expansion while delivering the bandwidth benefit of paired modules.

Upgrade Context

The kit replaces a single-channel DDR4 configuration or lower-speed modules, delivering the throughput gain of dual-channel operation at PC4-21300 speeds. The jump is worth it when the platform supports 2666 MHz and the workload benefits from doubled channel bandwidth rather than higher capacity alone.

How it compares

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

Price $40.99
Cheaper than about 71% of the 3,647 comparable items (median $90.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 60% of the 3,251 comparable items (median 16 GB).
Price per GB $5.12 per GB
Cheaper than about 71% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameRIMLANCE
Model nameRUD21300S6C2K8
Total capacity8 GB (2 × 4 GB)
Product type288-Pin PC RAM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL19
ECC supportNo
Buffer typeUnbuffered
Kit configurationDual Channel Kit

Questions about this item

Will these two 4 GB sticks run in dual-channel mode on a desktop motherboard that has four DIMM slots?

Yes — the kit is a matched 2 x 4 GB pair designed for dual-channel operation; install one module in each channel according to the motherboard manual.

My board only supports DDR4 up to 2666 MHz — will this memory run at its rated speed without manual BIOS changes?

The modules are rated at 2666 MHz PC4-21300 CL19 and will operate at that speed on any DDR4 platform that supports 2666 MHz; if the board defaults to a lower JEDEC speed you can enable the rated frequency in the BIOS.

Do I need to supply extra voltage or cooling for these sticks?

No — they run at the standard 1.2 V DDR4 voltage and are unbuffered UDIMMs with no heatsink required for normal desktop workloads.

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