How much will my year old gaming laptop sell for?

Halfprice199

Estimable
Oct 10, 2014
1
0
4,510
How much would my laptop sell for? It is a custom made latop from pc specialist, the specs are as following:

GPU: GTX 765m
CPU: Intel Quad Core i7 4800MQ 2.7Ghz turboboost to 3.7Ghz
RAM: 8Gb Kingston Hyper-Beast Duel Memory
OS: Windows 7 Home Premium 64bit

Want to get atleast £600 for it to put towards the desktop I am making. Thanks in advance :)