In Win IW-A550 ATX Power Supply - 550 W - Internal - 12 V DC @ 42 A, 5 V DC @ 20 A, 3.3 V DC @ 20 A, -12 V DC @ 0.3 A, 5 V DC @ 3 A Output - 1 +12V Rails - 1 Fan(s) - 85% Efficiency

In Win IW-A550 ATX Power Supply - 550 W - Internal - 12 V DC @ 42 A, 5 V DC @ 20 A, 3.3 V DC @ 20 A, -12 V DC @ 0.3 A, 5 V DC @ 3 A Output - 1 +12V Rails - 1 Fan(s) - 85% Efficiency

The InWin A Series is a power supply with high compatibility and reliability, it meets the 80 PLUS certification for 230V. Equipped with powerful single +12V rail design and multi-protection safeguards. The A Series provides great performance at a good price.