--- product_id: 744396672 title: "Hynix HYMP125U64CP8-S6 4GB 2 x 2GB PC2-6400U DDR2 800 Non-ECC Unbuff Memory Kit" brand: "sk hynix" price: "¥22239" currency: JPY in_stock: false reviews_count: 5 category: "Sk Hynix" url: https://www.desertcart.jp/products/744396672-hynix-hymp125u64cp8-s6-4gb-2-x-2gb-pc2-6400u-ddr2 store_origin: JP region: Japan --- # 800MHz blazing speed 4GB total capacity (2x2GB) 240-pin DDR2 DIMM form factor Hynix HYMP125U64CP8-S6 4GB 2 x 2GB PC2-6400U DDR2 800 Non-ECC Unbuff Memory Kit **Brand:** sk hynix **Price:** ¥22239 **Availability:** ❌ Out of Stock ## Summary > ⚡ Upgrade your vintage setup—because your productivity deserves a turbo boost! ## Quick Answers - **What is this?** Hynix HYMP125U64CP8-S6 4GB 2 x 2GB PC2-6400U DDR2 800 Non-ECC Unbuff Memory Kit by sk hynix - **How much does it cost?** ¥22239 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/744396672-hynix-hymp125u64cp8-s6-4gb-2-x-2gb-pc2-6400u-ddr2) ## Best For - sk hynix enthusiasts ## Why This Product - Trusted sk hynix brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Upgrade:** Plug-and-play 240-pin design for quick installation—no tech headaches. - • **Reliable Stability:** Non-ECC memory ensures consistent speed without unnecessary overhead. - • **Boost Your Legacy Rig:** Unlock peak performance on older systems with high-rated DDR2 memory. - • **Seamless Dual-Channel Power:** 2x2GB sticks optimize multitasking and smooth workflow. - • **Energy Efficient Performance:** Runs at a low 1.8V voltage to keep your system cool and efficient. ## Overview The Hynix HYMP125U64CP8-S6 is a 4GB DDR2 SDRAM memory kit (2x2GB) running at 800MHz with a 240-pin DIMM form factor. Designed for older desktops, it offers a reliable, energy-efficient upgrade that significantly enhances system responsiveness and multitasking capabilities. ## Description Specifications Manufacturer: Hynix Part Number: HYMP125U64CP8-S6 Memory Type: DDR2 SDRAM Capacity: 4GB 2 x 2GB Pins: 240 Pin Bus Type: PC2-6400 Error Correction: Non-ECC Cycle Time: 5ns Cas: CL6 Data Transfer Rate: 800Mhz Memory Clock: 200Mhz Voltage: 1.8 Review: its exactly what i says, 4 GB RAM sticks. after dropping them into my HP m8200n i saw a noticeable MASSIVE performance increase, but then again these are the highest rated RAM available for my motherboard and what i had in was that cheap factory crap they put in. if you have an older computer, these will definitely help you get a lot more out of it Review: Remove the old piece of memory and install the new piece. ## Features - Manufacturer: Hynix HYMP125U64CP8-S6 - Memory Type: 240 Pin DDR2 SDRAM - Capacity: 4GB 2 x 2GB Memory - Bus Type: PC2-6400 - Data Transfer Rate: 800Mhz ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00TIY959G | | Are Batteries Included | No | | Brand | SK Hynix | | Computer Memory Type | DDR2 SDRAM | | Country of Origin | USA | | Customer Reviews | 3.8 3.8 out of 5 stars (24) | | Date First Available | 14 February 2015 | | Form Factor | DIMM | | Item Dimensions LxWxH | 15.2 x 0.1 x 0.1 Centimeters | | Item Height | 0.05 Inches | | Item Weight | 22.7 g | | Item Width | 0.05 Inches | | Item model number | HYMP125U64CP8-S6 | | Manufacturer | Hynix | | Memory Technology | DDR2 | | Product Dimensions | 15.24 x 0.13 x 0.13 cm; 22.68 g | | RAM Size | 4 GB | | Voltage | 1.8 Volts | ## Product Details - **Brand:** SK Hynix - **Computer Memory Size:** 4 GB - **Memory Speed:** 800 MHz - **RAM Memory Technology:** DDR2 - **Special Feature:** Lightweight ## Images ![Hynix HYMP125U64CP8-S6 4GB 2 x 2GB PC2-6400U DDR2 800 Non-ECC Unbuff Memory Kit - Image 1](https://m.media-amazon.com/images/I/51Mqm2hpLPL.jpg) ![Hynix HYMP125U64CP8-S6 4GB 2 x 2GB PC2-6400U DDR2 800 Non-ECC Unbuff Memory Kit - Image 2](https://m.media-amazon.com/images/I/51ryBCBEC2L.jpg) ![Hynix HYMP125U64CP8-S6 4GB 2 x 2GB PC2-6400U DDR2 800 Non-ECC Unbuff Memory Kit - Image 3](https://m.media-amazon.com/images/I/81MoF6ap28L.jpg) ![Hynix HYMP125U64CP8-S6 4GB 2 x 2GB PC2-6400U DDR2 800 Non-ECC Unbuff Memory Kit - Image 4](https://m.media-amazon.com/images/I/81anVWsIKfL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by J***N on 30 July 2016* its exactly what i says, 4 GB RAM sticks. after dropping them into my HP m8200n i saw a noticeable MASSIVE performance increase, but then again these are the highest rated RAM available for my motherboard and what i had in was that cheap factory crap they put in. if you have an older computer, these will definitely help you get a lot more out of it ### ⭐⭐⭐⭐⭐ Review *by A***R on 20 March 2020* Remove the old piece of memory and install the new piece. ### ⭐⭐⭐⭐ Review *by W***1 on 3 August 2018* It has lasted a long time and is fast --- ## 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/744396672-hynix-hymp125u64cp8-s6-4gb-2-x-2gb-pc2-6400u-ddr2](https://www.desertcart.jp/products/744396672-hynix-hymp125u64cp8-s6-4gb-2-x-2gb-pc2-6400u-ddr2) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-03*