Was looking for a cheap fast USB flash drive and found this. Looks quite good value for this capacity / speed.
Reviews confirm it can do sustained 300MB/sec writes. You can get 4.5% cashback from ShopBack also afaik.
Seems you can only order 1 at a time but YMMV.
Patriot 256GB Supersonic Rage 2 Series USB 3.0 Flash Drive with up to 400MB/sec Read, 300MB/s Write (PEF256GSR2USB)
- Transfer speeds of up to 400MB/s read; up to 300MB/s write
- Durable durable slide to connect design to protect the drive.
- Rubber coated housing protects from drops, spills, and daily abuse.
- Compatible with the latest and legacy versions of Windows, Linux 2.4 and later, Mac OS9, OSX and later
- 3 year Warranty
How fast is too fast?