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Green printed circuit board with black memory chips and gold edge connector

Kingston Technology Corp.

Kingston KCP426NS8/8 8GB DDR4 2666 CL19 desktop RAM

SKU CH-H01B-RRHQK

8GB DDR4 2666 desktop module rated at CL19 for standard system upgrades

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • 8 GB capacity adds headroom for multitasking
  • DDR4 2666 speed delivers 21300 MT/s bandwidth
  • CL19 latency keeps response times tight
  • Standard desktop form factor fits most motherboards
  • Kingston reliability backs everyday computing tasks

Kingston 8 GB DDR4 module

This 8 GB DDR4 stick is built for desktop owners who need a straightforward memory upgrade. It suits everyday office work, web browsing and light multitasking without extra cost. Buyers who want more capacity per slot or higher frequencies for demanding workloads should look elsewhere.

DDR4 2666 CL19 limits

The module runs at DDR4 2666 with a CAS latency of CL19, matching the PC4 21300 data-rate ceiling. That speed caps peak bandwidth, so heavy rendering or large dataset tasks will not scale beyond this ceiling. No XMP profiles or tighter timings are provided to push the standard further.

Installation and common issues

Insert the stick into a free DDR4 slot until the retention clips click; no tools or cables are required. Most problems arise when the motherboard defaults to a lower speed or when mixed kits prevent dual-channel operation. A quick BIOS check usually resolves the speed mismatch.

How it compares

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

Price $54.99
Cheaper than about 63% of the 3,647 comparable items (median $90.99).
Total capacity 8 GB
Lower than about 60% of the 3,251 comparable items (median 16 GB).
Price per GB $6.87 per GB
Typical for this category: the median of 3,251 items is $6.75 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 nameKingston
Model nameKCP426NS8/8
Total capacity8 GB
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
More details
LED lightingNone

Questions about this item

Should I pick the 8 GB DDR4 2666 CL19 module or a different capacity for my desktop?

The module is an 8 GB stick rated at DDR4 2666 with CL19 timing. Choose it when your board has a free DDR4 slot and you need exactly 8 GB of additional memory.

What does the DDR4 2666 speed rating mean once the module is installed?

The memory will run at up to 2666 MT/s on a compatible DDR4 platform, delivering the standard data rate for that specification.

Does the PC4 21300 label limit the bandwidth I can actually use?

PC4 21300 is the JEDEC designation for DDR4 2666 and represents the peak transfer rate defined for this module.

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