--- product_id: 104461157 title: "DDR4 RAM 8GB 2666MHz PC4-21300 SODIMM Laptop Memory | Non-ECC PC4-2666V CL19 260-Pin SO-DIMM 1.2V Notebook Computer Memory Upgrade Module" brand: "a-tech" price: "$121.25" currency: USD in_stock: true reviews_count: 9 category: "A Tech" url: https://www.desertcart.us/products/104461157-ddr4-ram-8gb-2666mhz-pc4-21300-sodimm-laptop-memory-non store_origin: US region: United States of America --- # 2666MHz blazing speed 8GB high-capacity memory 1.2V low power efficiency DDR4 RAM 8GB 2666MHz PC4-21300 SODIMM Laptop Memory | Non-ECC PC4-2666V CL19 260-Pin SO-DIMM 1.2V Notebook Computer Memory Upgrade Module **Brand:** a-tech **Price:** $121.25 **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade your laptop’s brainpower and never miss a beat! ## Quick Answers - **What is this?** DDR4 RAM 8GB 2666MHz PC4-21300 SODIMM Laptop Memory | Non-ECC PC4-2666V CL19 260-Pin SO-DIMM 1.2V Notebook Computer Memory Upgrade Module by a-tech - **How much does it cost?** $121.25 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/104461157-ddr4-ram-8gb-2666mhz-pc4-21300-sodimm-laptop-memory-non) ## Best For - a-tech enthusiasts ## Why This Product - Trusted a-tech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Expand Without Limits:** 8GB capacity boosts your laptop’s memory to handle demanding apps and heavy workloads. - • **Plug & Play Simplicity:** Effortless installation with no tech skills needed—upgrade your system in minutes. - • **Rock-Solid Reliability:** Backed by A-Tech’s Limited Lifetime Warranty and rigorous quality testing for long-term stability. - • **Optimized for Portability:** 260-pin SO-DIMM form factor designed specifically for laptops, mini PCs, and AIOs. - • **Turbocharge Your Workflow:** 2666MHz DDR4 speed ensures lightning-fast data access for seamless multitasking. ## Overview A-Tech’s 8GB DDR4 2666MHz SO-DIMM RAM module delivers a powerful memory upgrade for laptops and compact PCs, combining high-speed performance, energy-efficient 1.2V operation, and easy plug-and-play installation. Perfect for professionals demanding smoother multitasking and faster app responsiveness, it’s backed by a Limited Lifetime Warranty for peace of mind. ## Description Buy A-Tech DDR4 RAM 8GB 2666MHz PC4-21300 SODIMM Laptop Memory | Non-ECC PC4-2666V CL19 260-Pin SO-DIMM 1.2V Notebook Computer Memory Upgrade Module: Memory - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Woke up my 2019 27" iMac — noticeable boost if you actually work on your machine - Bought this to give my 2019 27-inch iMac some breathing room, and it delivered. Installation was straightforward, the iMac recognized the full 32GB right away, and the difference was obvious the first time I sat down to work — apps open faster, switching between a pile of browser tabs and editing windows doesn't bog down the way it used to, and the whole thing just feels less "stuck." Honest caveat: I've only had it installed two days. But RAM isn't really a "break-in" component — it either runs clean and stable or it doesn't, and so far this has been rock solid with zero hiccups. The only thing two days can't tell me is long-term reliability, so I'll come back and update if anything changes. Who I'd recommend it to: if you do real work on your computer — lots of tabs, photo or content editing, anything heavy — this is a genuinely worthwhile upgrade and cheaper than I expected. If you're mostly browsing and email, you may not feel it as much. Honestly, next computer I buy, I'd put this in from the start. Review: Great upgrade to my QNAP NAS - Purchased this RAM to add to my QNAP NAS. They were easy to install and proved to be a solid upgrade. I noticed an improvement in performance from the 8GB that came with the unit. The RAM shows up as 32GB as stated. One thing to note - the NAS specs noted a max RAM capacity of 16GB, but some online research indicated that 32 would work. I can verify that the NAS has run flawlessly for the past month with this RAM installed. I'm happy with my purchase! ## Features - A-Tech 8GB RAM Module, DDR4 SO-DIMM 260-Pin, 2666MHz / 2667MHz PC4-21300 (PC4-2666V) - Non-ECC Unbuffered, JEDEC DDR4 Standard 1.2V Operating Voltage - Compatible with select DDR4 SODIMM capable Laptop, Notebook, Mini PC, and All-in-One (AIO) computer systems. Please verify your system's memory type, form factor, and maximum supported capacity before purchasing - Not compatible with desktop (DIMM), DDR2, DDR3, DDR5, ECC Registered (RDIMM), ECC Load Reduced (LRDIMM), or ECC Unbuffered (ECC UDIMM) memory types - Increases available memory capacity to enhance system responsiveness, application performance, and multitasking capabilities. - Easy plug-and-play installation with no technical expertise required; built with high quality DRAM components and rigorously tested for reliability and long term stability. - Backed by A-Tech's Limited Lifetime Warranty and supported by our dedicated Technical Support team before and after your purchase ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07KGMBL93 | | Additional Features | 2666MHz speed, Laptop Compatible, Memory Upgrade, Non-ECC Unbuffered, Plug and Play | | Best Sellers Rank | #16 in Computer Memory | | Brand | A-Tech | | Column Address Strobe Latency | CL19 | | Compatible Devices | All-in-One, Laptop, Mini PC | | Computer Memory Size | 8 GB | | Customer Reviews | 4.7 out of 5 stars 1,195 Reviews | | Data Transfer Rate | 21300 Megabytes Per Second | | Form Factor | SO-DIMM | | Item Type Name | DDR4 RAM Memory | | Item Weight | 0.35 Ounces | | Manufacturer | A-Tech | | Memory Form Factor | SODIMM | | Memory Generation | DDR4 | | Memory Speed | 2666 MHz | | Mfr Part Number | AT8G1D4S2666NA0N12V | | Model Name | A-Tech Premium Memory | | Model Number | AT8G1D4S2666NA0N12V | | Number of Pins | 260 | | RAM Memory Technology | DDR4 | | RAM Size | 8 GB | | Special Feature | 2666MHz speed, Laptop Compatible, Memory Upgrade, Non-ECC Unbuffered , Plug and Play | | Unit Count | 1.0 Count | | Voltage | 1.2 Volts | | Warranty Description | Limited Lifetime Warranty covering defects in materials and workmanship | ## Product Details - **Brand:** A-Tech - **Compatible Devices:** All-in-One, Laptop, Mini PC - **Computer Memory Size:** 8 GB - **Memory Speed:** 2666 MHz - **RAM Memory Technology:** DDR4 ## Images ![DDR4 RAM 8GB 2666MHz PC4-21300 SODIMM Laptop Memory | Non-ECC PC4-2666V CL19 260-Pin SO-DIMM 1.2V Notebook Computer Memory Upgrade Module - Image 1](https://m.media-amazon.com/images/I/814iG8padJL.jpg) ## Available Options This product comes in different **Computer Memory Size, Memory Speed, Set** options. ## Questions & Answers **Q: What’s the difference between DDR4 and other types of memory and can I use them interchangeably?** A: No, DDR4 memory is not compatible or interchangeable with other types such as DDR5, DDR3, and so on. Each memory type uses different slot designs, voltages, and architectures, so your system must support the memory type specifically. **Q: What’s the difference between DIMM and SO-DIMM memory?** A: DIMM and SO-DIMM represent two different physical sizes of memory. DIMM is the larger type used in standard desktop computers. SO-DIMM is the smaller type used in laptops, mini PCs, and compact systems. They are not interchangeable. **Q: What does "Non-ECC" mean and do I need "ECC" memory instead?** A: Non-ECC (non-error correcting) memory is required for most laptops and desktops. ECC is typically only used in servers or workstations and is not interchangeable with Non-ECC memory. If your system doesn’t mention ECC support, you need Non-ECC. **Q: How do I know which speed to choose?** A: Each system has its own max supported speed. If the memory is faster than your system allows, it will automatically downclock to that max speed, meaning it's safe to buy faster memory. To confirm the max supported speed, refer to your system's manual **Q: Is this compatible with my system or computer?** A: Refer to your system's manual to confirm the supported memory type, capacity, form factor, and ECC support. If you're unsure, contact our support team, we're happy to help you find the exact memory your system needs! ## Customer Reviews ### ⭐⭐⭐⭐⭐ Woke up my 2019 27" iMac — noticeable boost if you actually work on your machine *by R***L on June 21, 2026* Bought this to give my 2019 27-inch iMac some breathing room, and it delivered. Installation was straightforward, the iMac recognized the full 32GB right away, and the difference was obvious the first time I sat down to work — apps open faster, switching between a pile of browser tabs and editing windows doesn't bog down the way it used to, and the whole thing just feels less "stuck." Honest caveat: I've only had it installed two days. But RAM isn't really a "break-in" component — it either runs clean and stable or it doesn't, and so far this has been rock solid with zero hiccups. The only thing two days can't tell me is long-term reliability, so I'll come back and update if anything changes. Who I'd recommend it to: if you do real work on your computer — lots of tabs, photo or content editing, anything heavy — this is a genuinely worthwhile upgrade and cheaper than I expected. If you're mostly browsing and email, you may not feel it as much. Honestly, next computer I buy, I'd put this in from the start. ### ⭐⭐⭐⭐⭐ Great upgrade to my QNAP NAS *by D***W on June 25, 2026* Purchased this RAM to add to my QNAP NAS. They were easy to install and proved to be a solid upgrade. I noticed an improvement in performance from the 8GB that came with the unit. The RAM shows up as 32GB as stated. One thing to note - the NAS specs noted a max RAM capacity of 16GB, but some online research indicated that 32 would work. I can verify that the NAS has run flawlessly for the past month with this RAM installed. I'm happy with my purchase! ### ⭐⭐⭐⭐⭐ Compatible with existing memory *by C***L on June 25, 2026* Bought this to add to a Dell laptop that needed an extra stick of memory. It seems to be 100% compatible with the stick that was already in the laptop, as claimed by the manufacturer. The laptop is still working great about a month after the memory was installed. ## Frequently Bought Together - A-Tech 8GB DDR4 2666MHz PC4-21300 (PC4-2666V) CL19 SODIMM 1.2V 260-Pin Non-ECC SO-DIMM Laptop Notebook RAM Memory Module - A-Tech 8GB DDR4 3200 MHz SODIMM PC4-25600 (PC4-3200AA) CL22 Non-ECC Laptop RAM Memory Module - SAMSUNG 870 EVO SATA SSD 500GB 2.5” Internal Solid State Drive, Upgrade PC or Laptop Memory and Storage for IT Pros, Creators, Everyday Users, MZ-77E500B/AM, Black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/104461157-ddr4-ram-8gb-2666mhz-pc4-21300-sodimm-laptop-memory-non](https://www.desertcart.us/products/104461157-ddr4-ram-8gb-2666mhz-pc4-21300-sodimm-laptop-memory-non) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-04*