Today the fastest used card you can buy for under £300 is the RTX 5090: high settings at 4k. These picks come from live eBay UK listings, with risky sellers and suspicious prices left out.
£200£300£400£500£600£800£1,000
-6%vs typical
LL41
-10%vs typical
RG24
N1
SE16
-6%vs typical
LE12
WV10
G32
DY1
TN8
EC1VLowest price per performance point: often an older card that still does the job.
-14%vs typical
PL15
-9%vs typical
WS3
-9%vs typical
CT5
-17%vs typical
NN10
N1
-38%vs typical
GL7From today's eBay UK listings, the fastest card you can buy for under £300 is the GeForce RTX 5090 (performance 100/100), with a trusted listing at £5,437 including postage. For the most performance per pound, the GTX 1070 Ti is the value pick at £100.
Usually, yes: used cards often cost much less than new for the same performance. Buy through eBay checkout so you are covered by the eBay Money Back Guarantee, check the seller's feedback, and ask for proof the card runs under load.