Best M.2 SSD with £120 Budget

[Starkerz]

Hey, I'm looking for the best M.2 Nvme I can get with £120 minimum capacity of 500gb.
Would love to know your suggestions.

 

[Starkerz]

Are you looking for gen 3 or 4 ?

1tb Sabrent Rocket NVMe PCIe M.2 2280 SSD is around £97 or Adata XPG SX8200 Pro 1TB just over £100 both are gen 3 and reviewed highly , myself looking at these but also wanna see what difference between gen 3 and gen 4 with

https://www.guru3d.com/news-story/nvidia-announces-rtx-iogpu-to-directly-access-ssd,7.html

I'd like to go Gen 4 if its possible with my budget

 

[Starkerz]

I'm looking to buy one tomorrow very curious now if I up my budget to 150 could I get a 1tb gen 4?