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๐ Upgrade your laptopโs brainpower and never miss a beat!
The A-Tech DDR4 4GB 2666MHz PC4-21300 SO-DIMM is a high-performance, low-voltage laptop memory module designed to enhance system responsiveness and multitasking. Compatible with select DDR4 SODIMM laptops, mini PCs, and AIOs, it offers plug-and-play installation, premium reliability, and is backed by a limited lifetime warranty.
| Additional Features | 2666MHz speed, Laptop Compatible, Memory Upgrade, Non-ECC Unbuffered, Plug and Play |
| Asin | B07KGN62T1 |
| Best Sellers Rank | #20 in Computer Memory |
| Brand | A-Tech |
| Column Address Strobe Latency | CL19 |
| Compatible Devices | All-in-One, Laptop, Mini PC |
| Customer Reviews | 4.6 4.6 out of 5 stars (216) 4.6 out of 5 stars |
| Data Transfer Rate | 21300 megabytes_per_second |
| Form Factor | SO-DIMM |
| Item Highlight | Non-ECC PC4-2666V CL19 260-Pin SO-DIMM 1.2V Notebook Computer Memory Upgrade Module |
| Item Type Name | Computer RAM Memory |
| Item Weight | 9.93 g |
| Manufacturer | A-Tech Components |
| Memory Form Factor | SODIMM |
| Memory Generation | DDR4 |
| Memory Speed | 2666 MHz |
| Mfr Part Number | AT4G1D4S2666NA0N12V |
| Model Name | A-Tech Premium Memory |
| Model Number | AT4G1D4S2666NA0N12V |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Number Of Pins | 204 |
| Ram Memory Technology | DDR4 |
| Ram Size | 4 GB |
| Unit Count | 1 Count |
| Voltage | 1.2 volts |
| Warranty Description | Limited Lifetime Warranty covering defects in materials and workmanship |
User
Good Upgrade or Replacement
Great replacement for a bad SODIMM or a memory upgrade for your laptop. These installed easily and memory tests proved they were reliable. These were used in an HP 15dw laptop and hav proven to work well. A great buy.
User
Manufactured +3yrs ago?
Memtest86 said it passed all of the tests. What I found interesting, is that MemTest86 identified this 4GB memory stick as being "Kingston" brand and being manufactured on the 10th week of 2022, despite me purchasing it in Jan 2026... Seems to be working fine in my NUC, though.
User
Excellent
Solved my problem.
User
Inexpensive
It appears to work well and was inexpensive.
User
It works very well in my Synology!!
I was somewhat skeptical about this product mainly because the price is way TOO cheaper than the original Synology RAM (around 3 times less expensive). Yet, as I found one review saying something positive about the compatibility of this RAM with Synology (while another recent review says unlucky results), I bet my luck to test it.It works like a charm in my RS820+!! And if I see anything wrong later, I'll post my update here.I HIGHLY recommend this item (so far)!
User
Excellent product
Excellent product. Reliable as usual. Excellent value for money. Iโll keep buying this brand. Highly recommended.
User
Worked in synology DS920+ with no error messages
It works great in my Synology DS920+ with no error messages. Make sure to seat it very good when you install this chip, I didnt at first and the NAS wouldnt turn on. Also make sure to re-install ALL your HD's before turning the unit back on, I screwed that up too and had to re-build one of my arrays.All and all, works great once installed correctly, would highly recommend especially for the money.
User
Works but fit is not correct
Ordered based on specs and form factor for my laptop but had to do some serious manipulation to get the card to seat correctly
User
ูุนู ู ุจุดูู ู ู ุชุงุฒ
ูุนู ู ุจุดูู ู ู ุชุงุฒ .
Trustpilot
2 weeks ago
1 month ago