These always seem to carry a good range of psu's click here
If you want a 20pin to 24pin adapter, then checked out eBay and put 5834558023 in the search box, the company sells them for £4.48 inclusive.
Samsung Galaxy S8 review
1995-2015: How technology has changed the world in 20 years
What’s happening in VR right now: From psychedelic art to combat therapy
Siri not working? Try these troubleshooting fixes
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.