---
title: W400-256GSY01
name: W400-256GSY01
description: M.2 2280 NVMe PCIe Gen4x4 SSD with 3D NAND Technology
id: 15
categoryId: 3
usage: ["System Boot Drive", "Gaming Acceleration/Storage", "Office/Study Expansion"]
series: ["W400 Series"]
image: /images/products/2.5-inch SSD & M.2 SSD/W400-256GSY01/w400-256gsy01.webp
gallery: [
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]
summary: High-performance M.2 NVMe SSD with PCIe Gen4x4 interface, delivering up to 5000MB/s read and 4000MB/s write speeds
capacities: ["256GB"]
--- 
<br />

# Product Specifications

| Feature            | Description                                |
| :----------------- | :----------------------------------------- |
| **Model**          | W400-256GSY01                             |
| **Capacity**       | 256GB                                     |
| **Form Factor**    | M.2 2280                                  |
| **Interface**      | PCIe Gen4x4                               |
| **Protocol**       | NVMe 1.4                                  |
| **NAND Type**      | 3D NAND                                   |
| **Dimensions (mm)**| 80.0 × 22.0 × 2.25                        |
| **Weight (g)**     | 7                                         |
| **Read Speed (Max)**| 5000MB/s                                 |
| **Write Speed (Max)**| 4000MB/s                                |
| **Operating Temperature** | 0°C - 70°C                         |
| **Storage Temperature** | -40°C to 85°C                        |
| **Power Consumption** | Active: 5.5W (Average)                 |
| **Endurance (TBW)**| 400TB                                     |
| **MTBF**          | 1,500,000 hours                           |
| **Warranty**       | 5 years                                   |

<br />
<br />

# Hanye Brand, Trustworthy Quality

All Hanye products undergo rigorous testing with professional equipment and software to ensure superior quality.

## Outstanding Performance & Durability

*   PCIe Gen4x4 NVMe 1.4 Protocol
*   3D NAND Technology
*   Advanced Wear Leveling
*   S.M.A.R.T. Function
*   TRIM Support
*   Bad Block Management
*   Low Power Management
*   Strict Double Testing Implementation

## Easy Installation

M.2 2280 form factor design, compatible with most modern motherboards and laptops.
No additional power cable required, powered directly through the M.2 slot.

## Superior Heat Dissipation

Advanced thermal management and power efficiency design ensures stable performance under heavy workloads.
Built-in aluminum heat spreader for optimal thermal performance.

## Data Security Protection

*   End-to-end Data Protection
*   LDPC Error Correction
*   Static and Dynamic Wear Leveling
*   Bad Block Management
*   AES 256-bit Hardware Encryption

## PCIe Gen4x4 Interface

Utilizing PCIe Gen4x4 interface to deliver exceptional performance with up to 5000MB/s read and 4000MB/s write speeds.
Backward compatible with PCIe Gen3x4.

## Wide Compatibility

Compatible with various systems and devices supporting M.2 PCIe interface.

*   Desktop PCs
*   Laptops
*   Mini PCs
*   Gaming Consoles