---
product_id: 647127565
title: "WD_Black SN850X 4TB NVMe SSD with Heatsink - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s Write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2XHE"
brand: "sandisk"
price: "KSh240683"
currency: KES
in_stock: true
reviews_count: 13
category: "Sandisk"
url: https://www.desertcart.co.ke/products/647127565-wd-black-sn850x-4tb-nvme-ssd-with-heatsink-m-2
store_origin: KE
region: Kenya
---

# Up to 7,300 MB/s read speed Massive 4TB capacity Heatsink for sustained peak performance WD_Black SN850X 4TB NVMe SSD with Heatsink - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s Write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2XHE

**Brand:** sandisk
**Price:** KSh240683
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your rig with the SSD that never quits!

## Quick Answers

- **What is this?** WD_Black SN850X 4TB NVMe SSD with Heatsink - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s Write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2XHE by sandisk
- **How much does it cost?** KSh240683 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.ke](https://www.desertcart.co.ke/products/647127565-wd-black-sn850x-4tb-nvme-ssd-with-heatsink-m-2)

## Best For

- sandisk enthusiasts

## Why This Product

- Trusted sandisk brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Blazing PCIe Gen4 Speeds:** Experience ultra-fast load and transfer times that keep you ahead in gaming and productivity.
- • **Smart Performance Boosts:** Game Mode 2.0 and Adaptive Thermal Management optimize your drive for peak responsiveness.
- • **Trusted Sandisk Reliability:** Industry-leading quality and durability backed by Western Digital innovation.
- • **Thermal Mastery with Heatsink:** Stay cool under pressure—no throttling during marathon sessions or heavy workloads.
- • **Massive Storage for All Your Games:** Store your entire library and creative projects without compromise.

## Overview

The WD_BLACK SN850X 4TB NVMe SSD with Heatsink delivers blistering PCIe Gen4 speeds up to 7,300 MB/s read and 6,300 MB/s write, combined with a robust heatsink to maintain peak performance during intense gaming or heavy workloads. With 4TB of high-quality SanDisk TLC 3D NAND storage, it offers ample space for extensive game libraries and professional files. Enhanced by WD_BLACK Dashboard features like Game Mode 2.0 and Adaptive Thermal Management, this M.2 2280 drive is engineered for elite gamers and power users seeking reliability, speed, and future-proof performance.

## Description

Crush load times and slash throttling, lagging, and texture pop-ins with the WD_BLACK SN850X NVMe SSD. Available in capacities of 1TB up to 8TB, this gaming drive is built for top-tier performance. With 7,300MB/s speeds (1TB - 4TB models) and a heatsink option to maintain performance, you can enjoy your favorite games without worrying about lag. Plus, the downloadable SANDISK Dashboard (Windows only) can automatically turn on Game Mode 2.0 features. The WD_BLACK SN850X NVMe SSD delivers a smooth, fast experience —and the innovations that let you compete at your absolute peak. POWERED BY SANDISK

Review: Blazing Fast & Reliable – Perfect for Gaming and Heavy Workload - Upgraded to the WD_BLACK 2TB SN850X NVMe from a Gen 3 SSD, and the difference is massive. This drive delivers exactly what it promises — insane speeds, great thermal performance, and rock-solid reliability. Speed & Performance: Right out of the box, I was getting read/write speeds over 7,000 MB/s, matching advertised specs. Game load times are almost instant, and large file transfers (like 4K video or game installs) finish in seconds. Perfect for my gaming rig and content creation workflow. Gaming Benefits: Games launch faster, textures stream without stutter, and overall system responsiveness is noticeably smoother. If you’re using Windows 11 with DirectStorage support, this drive is built to take advantage of it. Thermals: I bought the version with the heatsink, and it’s doing a great job keeping temps in check. Even under sustained load, it stays cool and doesn’t throttle. If you’re using this in a cramped case or PS5, definitely get the heatsink version. Installation: Easy to install in my ATX motherboard. Plug it in, screw it down, format in Disk Management, and you’re good to go. Final Thoughts: ✅ Fast, future-proof PCIe Gen 4 performance ✅ Great for gaming, productivity, and OS drive ✅ Reliable WD quality ✅ Excellent price-to-performance ratio If you’re looking for a top-tier Gen 4 NVMe SSD, the SN850X is an absolute no-brainer. Would buy again in a heartbeat.
Review: Great quality and reliability - Great quality and reliable functionality that you'd expect from Western Digital. The capacity is amazing, it has blazing fast read/write speeds, and installation was a breeze as it fits a standard M.2 socket. I was able to immediately initialize and partition it for use after installing it. This went into my laptop, so it obviously changed nothing externally and added only a few grams to the weight. It's pricey, but I'd rather get a good one from a brand I trust than just go with the cheapest option available.

## Features

- TRANFORM YOUR PC: Insane speeds up to 7,300MB/s (1TB - 4TB models) deliver top-tier performance with ridiculously short load times for your gaming PC or workstation — for the elite experience you’ve been waiting for.
- MORE ROOM FOR MORE GAMES: Capacities up to 8TB built with SANDISK TLC 3D NAND, means you get to keep more games at the ready — and get into the action even faster.
- HEATSINK FOR THE WIN: The WD_BLACK SN850X NVMe SSD 1TB and 2TB drives have an optional heatsink version that not only looks awesome but also helps your rig maintain peak performance through the most intense gaming sessions.
- DO MORE WITH WD_BLACK DASHBOARD: The downloadable WD_BLACK Dashboard (Windows only) monitors your drive’s health, lets you customize your RGB lighting, and, exclusively on the SN850X SSD, enables Game Mode 2.0 to transform your gaming experience.
- FUTURE FORWARD FREATURES: The WD_BLACK SN850X SSD boasts a powerful suite of features, including Predictive Loading, Overhead Balancing, and Adaptive Thermal Management (ATM).
- POWERED BY SANDISK: The WD_BLACK, WD Blue, and WD Green flash products are manufactured by Sandisk Technologies, Inc. or its affiliates and distributed under license from Western Digital Corporation.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D9WTKV1B |
| Best Sellers Rank | #11 in Internal Solid State Drives #313 in Computer Internal Components |
| Brand | Sandisk |
| Color | Black |
| Customer Reviews | 4.8 4.8 out of 5 stars (31,725) |
| Date First Available | August 5, 2024 |
| Flash Memory Size | 4 TB |
| Hard Drive | 4 TB Solid State Drive |
| Hard Drive Interface | NVMe |
| Hardware Platform | PC |
| Item Dimensions LxWxH | 3.16 x 0.93 x 0.35 inches |
| Item Weight | 0.303 ounces |
| Item model number | WDS400T2XHE |
| Manufacturer | Sandisk Technologies, Inc. |
| Product Dimensions | 3.16 x 0.93 x 0.35 inches |
| Series | WD_BLACK SN850X NVMe SSD with Heatsink |

## Product Details

- **Brand:** Sandisk
- **Color:** Black
- **Compatible Devices:** Laptop, Motherboards, PS5
- **Connectivity Technology:** NVMe
- **Digital Storage Capacity:** 4 TB
- **Hard Disk Description:** Solid State Drive
- **Hard Disk Form Factor:** 2280 Centimeters
- **Hard Disk Interface:** NVMe
- **Installation Type:** Internal Hard Drive
- **Special Feature:** Heatsink

## Images

![WD_Black SN850X 4TB NVMe SSD with Heatsink - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s Write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2XHE - Image 1](https://m.media-amazon.com/images/I/618RFfiA8dL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Blazing Fast & Reliable – Perfect for Gaming and Heavy Workload
*by K***M on September 22, 2025*

Upgraded to the WD_BLACK 2TB SN850X NVMe from a Gen 3 SSD, and the difference is massive. This drive delivers exactly what it promises — insane speeds, great thermal performance, and rock-solid reliability. Speed & Performance: Right out of the box, I was getting read/write speeds over 7,000 MB/s, matching advertised specs. Game load times are almost instant, and large file transfers (like 4K video or game installs) finish in seconds. Perfect for my gaming rig and content creation workflow. Gaming Benefits: Games launch faster, textures stream without stutter, and overall system responsiveness is noticeably smoother. If you’re using Windows 11 with DirectStorage support, this drive is built to take advantage of it. Thermals: I bought the version with the heatsink, and it’s doing a great job keeping temps in check. Even under sustained load, it stays cool and doesn’t throttle. If you’re using this in a cramped case or PS5, definitely get the heatsink version. Installation: Easy to install in my ATX motherboard. Plug it in, screw it down, format in Disk Management, and you’re good to go. Final Thoughts: ✅ Fast, future-proof PCIe Gen 4 performance ✅ Great for gaming, productivity, and OS drive ✅ Reliable WD quality ✅ Excellent price-to-performance ratio If you’re looking for a top-tier Gen 4 NVMe SSD, the SN850X is an absolute no-brainer. Would buy again in a heartbeat.

### ⭐⭐⭐⭐⭐ Great quality and reliability
*by M***B on January 4, 2026*

Great quality and reliable functionality that you'd expect from Western Digital. The capacity is amazing, it has blazing fast read/write speeds, and installation was a breeze as it fits a standard M.2 socket. I was able to immediately initialize and partition it for use after installing it. This went into my laptop, so it obviously changed nothing externally and added only a few grams to the weight. It's pricey, but I'd rather get a good one from a brand I trust than just go with the cheapest option available.

### ⭐⭐⭐⭐⭐ Blazing Fast Performance
*by A***R on December 28, 2025*

This SSD with Heatsink has been an absolutely massive upgrade over my previous SSD. Installation was quick and straightforward, and the performance difference was immediately noticeable. Boot times are faster, games and applications load almost instantly, and overall system responsiveness is on a whole new level. I really love the built in heatsink. It looks great, fits perfectly, and does an excellent job keeping temperatures under control even during heavy use. It’s nice not having to worry about thermal throttling or buying a separate cooling solution. The only downside is that it didn’t come with a mounting screw to secure it to the motherboard. It’s a small thing, but worth noting, thankfully most motherboards include one. Overall, this is a top tier SSD that delivers incredible speed, great thermals, and premium build quality. Highly recommended for anyone looking to seriously upgrade their system.

## Frequently Bought Together

- WD_BLACK 4TB SN850X NVMe Internal Gaming Solid State Drive with Heatsink - Works with PlayStation 5, Gen4 PCIe, M.2 2280, Up to 7,300 MB/s - WDS400T2XHE
- PCIe NVMe M.2 SSD Mounting Screws Kit for Asus Gigabyte ASRock Msi Motherboards, 30pcs
- ARCTIC MX-4 (4 g) - Premium Performance Thermal Paste for All Processors (CPU, GPU - PC), Very high Thermal Conductivity, Long Durability, Safe Application, Non-Conductive

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*Product available on Desertcart Kenya*
*Store origin: KE*
*Last updated: 2026-02-16*