Western Digital Black SN7100 4TB M.2 NVMe PCIe 4.0 Solid State Drive

The Western Digital Black SN7100 4TB SSD is a high-performance storage solution designed for gamers, creators and power users who need both speed and large capacity. Built on the PCIe Gen4 interface, it delivers fast data access, reduced load times and responsive system performance.

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Tracked delivery across the UK
Genuine product from trusted distributors

With its M.2 2280 form factor, this SSD is suitable for modern desktops and laptops, providing a powerful upgrade for systems requiring high-speed storage.

Key Features

• Large 4TB capacity for games, media and professional workloads
• PCIe Gen4 x4 NVMe interface for high-speed performance
• Up to 7000MB/s read and 6700MB/s write speeds
• High random performance up to 900,000 / 1,350,000 IOPS
• Optimised for gaming and demanding applications
• Efficient thermal and power management
• 5-year warranty for long-term reliability

Product Overview

The WD Black SN7100 is engineered to deliver reliable high-speed performance for modern computing. It significantly improves system responsiveness compared to SATA SSDs and older NVMe drives, making it ideal for gaming, content creation and productivity workloads.

The 4TB capacity provides ample space for large game libraries, creative projects and extensive data storage, making it an excellent choice for users who need both performance and capacity in one solution. With strong sequential and random performance, the SN7100 ensures smooth operation across a wide range of tasks, from everyday use to intensive workloads.

Compatibility: Compatible with systems supporting M.2 (2280) PCIe NVMe drives (PCIe Gen4 and backwards compatible with Gen3).

Delivery & Fulfilment
This product is sold by TechFinder UK, a UK-based sole trader business.
All hardware is sourced through established distribution partners.
Orders are dispatched within 1–2 business days with tracked delivery across the United Kingdom.

Why buy from TechFinder UK?

• UK-based sole trader — genuine products, real accountability
• Sourced through established distribution partners
• Secure checkout with buyer protection
• Tracked UK delivery, dispatched within 1–2 business days
• Pre- and post-purchase support available

Technical Details

• Series: WD Black SN7100
• Capacity: 4TB
• Form Factor: M.2 2280
• Interface: PCIe Gen4 x4 (NVMe)
• Max Sequential Read: Up to 7000MB/s
• Max Sequential Write: Up to 6700MB/s
• Random Read (4KB): Up to 900,000 IOPS
• Random Write (4KB): Up to 1,350,000 IOPS
• Operating Temperature: 0°C to 85°C
• Dimensions: 80mm x 22mm x 1.14mm

Product Identification
Model: WDS400T4X0E-00CJA0
UPC: 718037902982