Best budget gaming motherboard, i5 3550. [ h77 or b75 ]

Hardware Hub Motherboards
1

1. What is the purpose of the computer?

Ans: Pure gaming + basic home pc activities like downloading torrents + movies + etc

2. Planning to overclock?

Ans: NO

3. Which Operating System are you planning to use?

Ans: Windows 7 ultimate x64.

4.How many things will be installed to you motherborad ?

Ans : 2 hdd, 1 graphic card, 1 sound card [ optional ]

5. what type of ram will you be using?

ans : 2x4gb 1600mhz

CPU - i5 3550.

h77 or b75 chips ??
which one is better ?

Gigabyte GA-H77M-D3H Motherboard

ASRock H77 Pro4/MVP Motherboard

ASUS P8B75-V Motherboard

2

H77 is better, it doesn't support Intel K processors nor overclocking, which isn't a problem for you. B75 has very limited features. Just do a Google search, B75 vs. H77.