Kingston KCP426NS6/4 DDR4-4 GB - DIMM 288-pin - 2666 MHz / PC4-21300 - CL19-1.2 V - unbuffered - Non-ECC Memory Kit
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The Kingston KCP426NS6/4 DDR4-4 GB - DIMM 288-pin - 2666 MHz / PC4-21300 - CL19-1.2 V - unbuffered - Non-ECC Memory Kit is a category leader on buyer feedback in the memory & ram category, priced around $30.80, rated 4.7★ across 24 verified Amazon reviews. A confident buy for most shoppers in this category.
4GB DDR4 2666MHz Module
SpecPicks Verdict
SpecPicks classifies Kingston KCP426NS6/4 DDR4-4 GB - DIMM 288-pin - 2666 MHz / PC4-21300… as a category leader on buyer feedback in the memory & ram category, based on 24 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for memory & ram of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.7★ average across customer reviews
- ✓ Memory Size: 4 GB
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Memory Size: 4 GB
- Memory Technology: DDR4 SDRAM
- Memory Speed: 2666 MHz
- Memory Standard: DDR4-2666/PC4-21300
- Device Supported: Desktop PC
Full Specifications
| Brand | Kingston |
|---|---|
| Voltage | 1.2 Volts |
| Model Name | KCP426NS6/4 |
| Unit Count | 1.0 Count |
| Form Factor | DIMM |
| Memory Size | 4 GB |
| Memory Speed | 2666 MHz |
| Model Number | KCP426NS6/4 |
| Compatibility | PC |
| Number of Pins | 288 |
| Memory Standard | DDR4-2666/PC4-21300 |
| Mfr Part Number | KCP426NS6/4 |
| Special Feature | Lightweight |
| Device Supported | Desktop PC |
Ready to buy?
Kingston KCP426NS6/4 DDR4-4 GB - DIMM 288-pin - 2666 MHz / PC4-21300 - CL19-1.2 V - unbuffered - Non-ECC Memory Kit is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.