I want to do some light gaming and got a deal on a HD 6670. I want to know if my current power supply is sufficient (+12 combined (?)) or if I should upgrade it. I'm new to all this so thanks for the advice.
motherboard: msi g41m4-f
CPU: intel e8400
graphics card: amd Radeon hd 6670
RAM 2x 2gb= 4gb
320 gb hard drive
cd/dvd rw drive
For a system using a single Radeon HD 6670 graphics card AMD specifies a minimum of a 400 Watt or greater power supply. The power supply should also have a combined +12 Volt continuous current rating of 18 Amps or greater.
Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Total Combined Continuous Power/Current Available on the +12V Rail(s) @ 50°C ambient temperature, is the most important factor.
The Broadway Com Corp 450W ATX (OKIA-450ATX), with its +12 Volt continuous current rating of 18 Amps Max, is borderline sufficient to power your system configuration with a single Radeon HD 6670. This is assuming that this PSU is even capable of delivering the power specified on its label.
That OKIA-450ATX is a horrible power supply. Too many reports of them dieing and blowing up.
The Antec Basiq Series 500 Watt (BP500U) v2.3 new version with Active PFC, with its combined +12 Volt continuous current rating of 29 Amps and with one 6-pin PCI Express supplementary power connector, is more than sufficient to power your system configuration with a single Radeon HD 6670.