Suggest PSU for Intel Core i5-2400 and Redeon HD 5770

[paresh.wk]

Please suggest the PSU and Cabinate for the following config.

Intel Core i5-2400
Asus P8H67-M PRO B3
4GB DDR3 Corsair
1 TB Seagate Baracuda 7200.12
Redeon HD 5770

How about Gigabyte Superb 460W (around 2.3K)
I was also thinking about Corsair VX450(around 3.8K), costly as compared to Gigabyte.
Should i go with any of above OR please suggest other than these.

[Techguru01]

The general rule of thumb is a high quality 500 to 550 watt power supply with sufficient current (amps) on the 12 volt rail(s) can easily power a system with any single video card made. A high quality 700 to 750 watt power supply with sufficient current (amps) on the 12 volt rail(s) can power a system with two video cards operating in dual mode. There are a few exceptions like the new ATI Radeon HD 5XXX series cards which use less power due to their energy efficiency.