Should I buy a prebuilt for the warranty?

PCPartPicker part list / Price breakdown by merchant

Type Item Price
CPU Intel Core i5-6500 3.2GHz Quad-Core Processor £164.28 @ Aria PC
Motherboard Asus H110M-A Micro ATX LGA1151 Motherboard £49.99 @ Novatech
Memory G.Skill NT Series 16GB (2 x 8GB) DDR4-2133 Memory £46.86 @ Amazon UK
Storage Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive £37.98 @ Novatech
Case Fractal Design Core 1000 MicroATX Mini Tower Case £27.95 @ Amazon UK
Power Supply SeaSonic S12II 620W 80+ Bronze Certified ATX Power Supply £59.32 @ Amazon UK
Optical Drive Samsung SH-224DB/BEBE DVD/CD Writer £14.99 @ Novatech
Operating System Microsoft Windows 10 Home OEM (64-bit) £71.81 @ More Computers
Wireless Network Adapter Gigabyte GC-WB867D-I 802.11a/b/g/n/ac PCI-Express x1 Wi-Fi Adapter £27.95 @ Amazon UK
Prices include shipping, taxes, rebates, and discounts
Total £501.13
Generated by PCPartPicker 2016-05-21 13:21 BST+0100

Similar shit with the i5-6500 and a better PSU. If the pre-built PC is correct on PCPP, they're giving you a 6700k which is made for overclocking, but the cheapest psosible motherboard you can't overclock anything on.

/r/buildapc Thread