---
product_id: 728225886
title: "4GB DDR4 2666MHz SODIMM Memory Module"
brand: "sk hynix"
price: "$78.35"
currency: USD
in_stock: true
reviews_count: 9
category: "Sk Hynix"
url: https://www.desertcart.us/products/728225886-4gb-ddr4-2666mhz-sodimm-memory-module
store_origin: US
region: United States of America
---

# 2666MHz DDR4 speed 4GB capacity Single-sided 1Rx16 design 4GB DDR4 2666MHz SODIMM Memory Module

**Brand:** sk hynix
**Price:** $78.35
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your laptop’s brainpower — because slow memory is so last decade!

## Quick Answers

- **What is this?** 4GB DDR4 2666MHz SODIMM Memory Module by sk hynix
- **How much does it cost?** $78.35 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/728225886-4gb-ddr4-2666mhz-sodimm-memory-module)

## 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

- • **Tested & Trusted:** Memtest-86+ verified for error-free performance, so you can work worry-free.
- • **Risk-Free Upgrade:** Includes a 1-month warranty to guarantee your peace of mind.
- • **Single-Sided Design:** Optimized 1Rx16 layout ensures compatibility and easy installation.
- • **Compact 4GB Capacity:** Perfectly sized for efficient laptop upgrades without bulk.
- • **Blazing DDR4-2666 Speed:** Experience seamless multitasking with lightning-fast 2666MHz memory frequency.

## Overview

The SK Hynix 4GB DDR4 2666MHz SODIMM is a lightweight, single-sided memory module designed for laptops, delivering reliable and fast performance with a tested error-free guarantee and a 1-month warranty for confident upgrades.

## Description

● 1 x SK hynix PC4-21300S (DDR4-2666) 4GB pre-used. Model Number: HMA851S6JJR6N-VK 4GB 1Rx16 PC4-2666V-SC0-11 Single-sided mounting (1Rx16). Tested with Memtest-86+ dedicated memory check software to ensure there are no errors. ● Comes with a 1 month warranty after the product arrives

Review: 良い買い物でした！ - Good!
Review: 満足です!

## Features

- 1 x SK hynix PC4-21300S (DDR4-2666) 4GB
- Model Number: HMA851S6JJR6N-VK
- Single-sided mounting (1Rx16)
- Comes with 1 month warranty upon arrival

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07XZ4ZBZS |
| Amazon Bestseller | #53,043 in Computers ( See Top 100 in Computers ) #312 in Computer Memory |
| Batteries Included | No |
| Batteries Required | No |
| Brand | SK Hynix |
| Color Name | multicolor |
| Compatible Devices | Laptop |
| Customer Reviews | 4.5 4.5 out of 5 stars (157) |
| Date First Available | January 14, 2020 |
| Manufacturer | SK Hynix |
| Manufacturer reference | HMA851S6JJR6N-VK |
| Package Dimensions | 7.9 x 4.39 x 0.71 cm; 9 g |
| Size | 4 Gb |
| Special Features | Lightweight |

## Product Details

- **Brand:** SK Hynix
- **Compatible Devices:** Laptop
- **Computer Memory Size:** 4 GB
- **Memory Speed:** 2666 MHz
- **RAM Memory Technology:** DDR4

## Images

![4GB DDR4 2666MHz SODIMM Memory Module - Image 1](https://m.media-amazon.com/images/I/610oYblOE9L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 良い買い物でした！
*by C***O on December 14, 2025*

Good!

### ⭐⭐⭐⭐ Review
*by 池***宏 on February 8, 2026*

満足です!

### ⭐⭐⭐ Review
*by 北***次 on October 4, 2023*

普通に動くが… 体感は出来ない

## Frequently Bought Together

- SK Hynix 4GB DDR4 2666MHz SODIMM Memory Module
- Laptop Memory Module HMA851S6DJR6N-XN Compatible Replacement Spare Part for SK Hynix HMA851S6DJR6N 4GB 1RX16 DDR4 SO-DIMM PC4-25600 3200MHz 260-Pin Non-ECC CL22 1.2V
- SK hynix HMA851S6CJR6N - VK Non ECC PC4-2666V 4GB DDR4 at 2666MHz 260pin SDRAM SODIMM Single Kit Laptop Memory - OEM

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**Shop now:** [https://www.desertcart.us/products/728225886-4gb-ddr4-2666mhz-sodimm-memory-module](https://www.desertcart.us/products/728225886-4gb-ddr4-2666mhz-sodimm-memory-module)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-14*