---
product_id: 470647127
title: "Hynix HYMP125U64CP8-S6 4GB 2 x 2GB PC2-6400U DDR2 800 Non-ECC Unbuff Memory Kit"
brand: "sk hynix"
price: "¥18684"
currency: JPY
in_stock: true
category: "Sk Hynix"
url: https://www.desertcart.jp/products/470647127-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:** ¥18684
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your desktop’s heartbeat with Hynix DDR2 power!

## 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?** ¥18684 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/470647127-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

- • **Speed That Keeps Up:** Experience a solid 800MHz data transfer rate that breathes new life into your system.
- • **Boost Your Legacy Rig:** Upgrade your older desktop with a powerful 4GB DDR2 kit for smoother multitasking.
- • **Plug & Play Simplicity:** Easy installation with standard 240-pin DIMM modules—no hassle, just performance.
- • **Lightweight & Efficient:** Low 1.8V voltage design keeps your system cool and energy-conscious.
- • **Optimized for Stability:** Non-ECC, low-latency CL6 memory ensures reliable and responsive computing.

## Overview

The Hynix HYMP125U64CP8-S6 is a 4GB (2x2GB) DDR2 800MHz non-ECC memory kit designed for desktop PCs. Featuring 240-pin DIMM modules with a CAS latency of 6 and operating at 1.8 volts, it offers a reliable and efficient upgrade path for older systems seeking enhanced multitasking and performance.

## 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: No ECC Cycle Time: 5ns Cas: CL6 Data Transfer Rate: 800Mhz Memory Clock: 200 MHz Voltage: 1.8

## 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 |
| Additional Features | Lightweight |
| Brand | SK Hynix |
| Column Address Strobe Latency | CL6 |
| Compatible Devices | Desktop |
| Customer Reviews | 4.0 4.0 out of 5 stars (25) |
| Data Transfer Rate | 800 MHz |
| Form Factor | DIMM |
| Item Weight | 0.05 Pounds |
| Manufacturer | Hynix |
| Memory Speed | 800 MHz |
| Mfr Part Number | LYSB00TIY959G-CMPTRACCS |
| Model Number | HYMP125U64CP8-S6 |
| Number of Items | 2 |
| Number of Pins | 240 |
| RAM Memory Technology | ddr2_sdram |
| RAM Size | 4 GB |
| UPC | 600303664161 |
| Unit Count | 2.0 Count |
| Voltage | 1.8 Volts |

## Product Details

- **Brand:** SK Hynix
- **Compatible devices:** Desktop
- **Computer memory size:** 4 GB
- **Memory speed:** 800 MHz
- **Ram memory technology:** ddr2_sdram

## 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/81anVWsIKfL.jpg)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-26*