i am looking to buy a lenovo z510. i have found a 4gb version for £500 and a 8gb version for £600. i really want a 8gb ram so do you thinks it cheaper buying the 4gb version and upgrade the ram manually or shall i just buy the 8gb version. and also, if i pick the 4gb version which ram is recommended to buy to upgrade to 8gb.thanks
may be needed:
4gb version: http://www.amazon.co.uk/Lenovo-Z510-15-6-inch-Laptop-i5-4200M/dp/B00HR6U0KU
8gb version: http://www.very.co.uk/lenovo-z510-intelreg-coretrade-i5-processor-8gb-ram-1tb-hard-drive-156-inch-laptop-with-1gb-dedicated-graphics-black/1314722570.prd
may be needed:
4gb version: http://www.amazon.co.uk/Lenovo-Z510-15-6-inch-Laptop-i5-4200M/dp/B00HR6U0KU
8gb version: http://www.very.co.uk/lenovo-z510-intelreg-coretrade-i5-processor-8gb-ram-1tb-hard-drive-156-inch-laptop-with-1gb-dedicated-graphics-black/1314722570.prd