1TB - WD_BLACK SN770 PCIe Gen 4 x4 NVMe SSD - 5150MB/s, 3D TLC (PS5 Compatible) - £43.99 @ Amazon

• Get into the game fast as you zoom past load times with blazing speeds of up to 5,150MB/s (1TB and 2TB models).
• Equipped with a PCIe Gen4 interface, the WD_BLACK SN770 NVMe SSD helps fuel in-game responsiveness, minimise stutter, and provide smooth streaming for a performance boost you can see and feel.
• Get tons of space for your latest games, future updates, and downloadable content with capacities up to 2TB.
• Turbocharge your laptop with up to 20% more power efficiency at maximum speed over the previous generation (1TB model).
• Optimise peak performance in gaming mode and monitor your drive’s health with the WD_BLACK Dashboard so you can game with confidence.

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info added by @wadz

First into the Action
Get into the match fast as you zoom past load times with blazing speeds of up to 5,150 MB/s

Smoother, Faster Gaming
Improve in-game responsiveness and streaming with the PCIe Gen4 interface2 for a performance boost you can see and feel. The interface is compatible with leading CPU and motherboard platforms.

Store More
The WD_BLACK SN770 NVMe SSD gives you tons of storage for your latest games with space left over for future updates and downloadable content.

Game Longer and Better
Optimize peak performance in gaming mode and monitor your drive’s health with the WD_BLACK Dashboard so you can game with confidence.

From a Trusted Brand in Gaming Storage
Equipped with advanced thermal management technology that helps maintain consistent performance, this reliable drive comes in an M.2 SSD form factor for compatibility with motherboards and laptops.

Turbocharge Your Laptop
Get up to 20% more power efficiency at maximum speed over the previous generation3 (1TB model) for an even better overall gaming experience on your portable rig.