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An important tip from one of our users: don't just check total power output, find out what you need in the way of current on each power rail. If you need 20 A on your +12V rails and the supply only has 15A, it doesn't matter how many watts the supply puts out: don't buy it. Make certain that you have ENOUGH rails, too: sometimes, you need more than just two +12V rails for your setup. Replacing an existing power supply is easier: just get a replacement that meets or exceeds the specifications of the old one. (You can usually find those printed on the side of the supply.) That said, here's a sturdy little type SFX power supply that puts out 200 watts of power (see specifications for exact distribution), and comes very highly recommended by our users. Could this be your next power supply? Check it out and see! Fans: 1 Main Connector: 20Pin +12V Rails: Single PCI-E Connectors: No Efficiency: > = 65% Over Voltage Protection: Yes Input Voltage: 115/ 230 V Input Frequency Range: 50/60 Hz

Fans: 1 Main Connector: 20Pin +12V Rails: Single PCI-E Connectors: No Efficiency: Up to 75% Input Voltage: 115/ 230 V Input Frequency Range: 50/60 Hz Input Current: 5/3A

Unleash the power of the ancient Greeks with the Athena Power 300W power supply. Designed to work with microATX/SFX cases this compact unit still puts out all the power you need. It is compatible with many major brand systems for easy replacement. Main Connector: 20+4Pin +12V Rails: Single PCI-E Connectors: No Over Voltage Protection: Yes Input Voltage: 115/ 230 V Input Frequency Range: 50/60 Hz Output: +3.3V@14A,+5V@16A,+12V@19A,-12V@0.8A,+5VSB@2.5A MTBF: >100,000 Hours

Fans: 1 Main Connector: 20+4Pin +12V Rails: Single PCI-E Connectors: No Over Voltage Protection: Yes Input Voltage: 220V Input Frequency Range: 50 Hz Input Current: 3A

Coolmax has an almost-legendary reputation for innovative and efficient cooling designs. The CA-400 400W Power Supply has a highly-efficient design that reduces power consumption, and a single 80 mm, silent fan provides efficient cooling augmented by sleeved cables reducing clutter. Also, the high-quality fan guard and connectors feature a high-conduction coating completing the thermal control package. Industrial-grade protection circuitry ensures protection from power and voltage surges. One main connector (20 + 4 pin), one 12V (P4), one SATA, one Floppy, and four peripheral connectors are more than enough for all your components. The COOLMAX CAA-400"s universal connector fits most branded motherboards, and it fully supports all Intel and AMD offerings. Coolmax has a great reputation for cooling solutions and reliable power, and this one"s pretty chill. Pick it up for only a minor amount of cold cash today at Newegg.com! Fans: 1 Main Connector: 20+4Pin +12V Rails: 2 PCI-E Connectors: No Over Voltage Protection: Yes Overload Protection: Yes Input Voltage: 115/ 230 V Input Frequency Range: 50/60 Hz

Fans: 1 x 80mm Fan Main Connector: 20+4Pin +12V Rails: 2 PCI-E Connectors: No Over Voltage Protection: Yes Overload Protection: Yes Input Voltage: 100~132VAC or 200~264VAC Input Frequency Range: 47 - 63 Hz

Fans: 1 x 80mm fan Main Connector: 20+4Pin +12V Rails: 2 PCI-E Connectors: No Over Voltage Protection: Yes Input Voltage: 115/ 230 V Input Frequency Range: 50/60 Hz Input Current: 12A @ 115V, 6A @ 230V

Fans: 2 Main Connector: 20+4Pin +12V Rails: Single PCI-E Connectors: No Efficiency: > 68% Input Voltage: 110 - 230V Input Frequency Range: 50/60 Hz Input Current: 9 /6A

Coolmax PS-124 Power Supply Tester

Fans: 1 x Internal 12 VDE fan Main Connector: 20Pin +12V Rails: Single PCI-E Connectors: No Over Voltage Protection: Yes Input Voltage: 115/ 230 V Input Frequency Range: 50/60 Hz Input Current: 6A @ 115V, 3A @ 230V

Fans: 2 x 80mm Black Cooling Fans (front & rear) Main Connector: 20+4Pin +12V Rails: 2 Over Voltage Protection: Yes Input Voltage: 115/ 230 V Input Frequency Range: 50/60 Hz Output: +3.3V@22A,+5V@30A,+12V1@14A, +12V2@15A,-12V@0.8A, +5VSB@2.5A Approvals: CE, cUL, FCC, TUV, RoHS

Specifications: ATX PSU each output connectors check Tests 20-pin and 24-pin power supplies Tests SATA power Tests Pentium 4 power connector Tests PCI-Express power connectors Tests Xeon power connectors Tests Floppy drive connectors Tests standard 4-pin power supply connectors Accurate voltage indicator +/-V(+12V1/+5V/+3.3V/5VSB/+12V2/ -12V) ATX P.G value display. Lower or higher P.G values alarm Lower voltage detected alarm. Over voltage alarm. No voltage detected alarm. Dimension Features: This product is design with LCD to show your ATX power voltage. Simple tester for switching power supply. It makes it easy to test the power supply output. Warning: This product is designed only for power supply output tests. Do not leave it connected to the power supply unattended. It generates heat