--- product_id: 53479624 title: "Ballistix BLS4G4S26BFSD 4 GB DDR4 2666 MT/s (PC4-21300) CL16 SR x 8 Unbuffered SODIMM 260-Pin Memory" brand: "crucial" price: "FREE" currency: JPY in_stock: false reviews_count: 9 url: https://www.desertcart.jp/products/53479624-ballistix-bls4g4s26bfsd-4-gb-ddr4-2666-mt-s-pc4-21300 store_origin: JP region: Japan --- # 2666 MT/s blazing speed Intel XMP 2.0 easy tuning 4 GB DDR4 capacity Ballistix BLS4G4S26BFSD 4 GB DDR4 2666 MT/s (PC4-21300) CL16 SR x 8 Unbuffered SODIMM 260-Pin Memory **Brand:** crucial **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > ⚡ Upgrade your laptop’s brainpower — don’t get left behind! ## Quick Answers - **What is this?** Ballistix BLS4G4S26BFSD 4 GB DDR4 2666 MT/s (PC4-21300) CL16 SR x 8 Unbuffered SODIMM 260-Pin Memory by crucial - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/53479624-ballistix-bls4g4s26bfsd-4-gb-ddr4-2666-mt-s-pc4-21300) ## Best For - crucial enthusiasts ## Why This Product - Trusted crucial brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact SO-DIMM Form Factor:** Perfectly sized for laptops and compact builds without sacrificing power. - • **Blazing Fast 2666 MT/s Speed:** Boost your system’s responsiveness and frame rates with cutting-edge DDR4 performance. - • **Lightweight & Energy Efficient:** Only 36.3g and 1.2V power draw keeps your system cool and mobile. - • **Optimized for Intel Processors:** Seamless compatibility ensures you get the most out of your Intel-based rig. - • **Plug-and-Play Intel XMP 2.0 Profiles:** Effortless overclocking and configuration for instant performance gains. ## Overview The Ballistix BLS4G4S26BFSD is a 4 GB DDR4 SO-DIMM memory module running at 2666 MT/s, designed for laptops and compact systems. Featuring Intel XMP 2.0 profiles for easy tuning and optimized for Intel processors, it delivers enhanced performance and energy efficiency in a lightweight 36.3g package. ## Description Buy Review: Performs Good - For my new HP Razen 3 4GB laptop, works much more faster than previously as the specs was not adding up until I added the 4ddr eve though warranty is now void it works much better. Review: Works - Installed in HP 250 G6 laptop doubling the memory. Works as expected. ## Features - Increased performance and frame rates for systems with integrated graphics - Ideal for gamers and performance enthusiasts - Intel XMP 2.0 profiles for easy configuration - Optimised for the contemporary Intel processors - Non Error Correcting Code ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B06XBWSKDL | | Best Sellers Rank | 406,421 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 4,409 in Computer Memory | | Box Contents | Ram | | Brand | Crucial | | Brand Name | Crucial | | Column Address Strobe Latency | CL16 | | Compatible Devices | Laptop | | Compatible devices | Laptop | | Computer memory size | 4 GB | | Customer Reviews | 4.5 out of 5 stars 106 Reviews | | Data Transfer Rate | 2666 MHz | | Form Factor | SO-DIMM | | Global Trade Identification Number | 00649528781925 | | Item Weight | 36 g | | Manufacturer | Micron | | Manufacturer Part Number | BLS4G4S26BFSD | | Memory Speed | 2666 MHz | | Memory speed | 2666 MHz | | Model Name | BLS4G4S26BFSD | | Model Number | BLS4G4S26BFSD | | Number of Items | 1 | | Number of Pins | 260 | | Product Warranty | Limited lifetime warranty | | RAM Memory Technology | DDR4 | | RAM Size | 4 GB | | RAM memory technology | DDR4 | | UPC | 649528781925 | | Voltage | 1.2 Volts | ## Product Details - **Brand:** Crucial - **Computer memory size:** 4 GB - **RAM memory technology:** DDR4 - **Memory speed:** 2666 MHz - **Compatible devices:** Laptop ## Images ![Ballistix BLS4G4S26BFSD 4 GB DDR4 2666 MT/s (PC4-21300) CL16 SR x 8 Unbuffered SODIMM 260-Pin Memory - Image 1](https://m.media-amazon.com/images/I/91td53J3-TL.jpg) ![Ballistix BLS4G4S26BFSD 4 GB DDR4 2666 MT/s (PC4-21300) CL16 SR x 8 Unbuffered SODIMM 260-Pin Memory - Image 2](https://m.media-amazon.com/images/I/818jI0g4USL.jpg) ![Ballistix BLS4G4S26BFSD 4 GB DDR4 2666 MT/s (PC4-21300) CL16 SR x 8 Unbuffered SODIMM 260-Pin Memory - Image 3](https://m.media-amazon.com/images/I/81jFNM80URL.jpg) ![Ballistix BLS4G4S26BFSD 4 GB DDR4 2666 MT/s (PC4-21300) CL16 SR x 8 Unbuffered SODIMM 260-Pin Memory - Image 4](https://m.media-amazon.com/images/I/91feq0GG50L.jpg) ![Ballistix BLS4G4S26BFSD 4 GB DDR4 2666 MT/s (PC4-21300) CL16 SR x 8 Unbuffered SODIMM 260-Pin Memory - Image 5](https://m.media-amazon.com/images/I/81R+Uj1TsfL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Performs Good *by C***Y on 4 May 2019* For my new HP Razen 3 4GB laptop, works much more faster than previously as the specs was not adding up until I added the 4ddr eve though warranty is now void it works much better. ### ⭐⭐⭐⭐⭐ Works *by M***. on 22 January 2019* Installed in HP 250 G6 laptop doubling the memory. Works as expected. ### ⭐⭐⭐⭐ Does the job *by S***N on 20 November 2018* Plug and play has upped the speed on my laptop hugely. DDR4 is expensive at the moment though --- ## 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.jp/products/53479624-ballistix-bls4g4s26bfsd-4-gb-ddr4-2666-mt-s-pc4-21300](https://www.desertcart.jp/products/53479624-ballistix-bls4g4s26bfsd-4-gb-ddr4-2666-mt-s-pc4-21300) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-21*