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The MasterWatt 650 650W 80 Plus Bronze Semi-Modular Power Supply from Cooler Master is a standard ATX-sized power supply designed to provide your system with stable and reliable power. It can output up to 650W of power and includes all the cables you need for up to a dual graphics card build. Moreover, it operates quietly and features multiple protection technologies to keep things operating smoothly.
| Weight | 5.38 lbs |
|---|---|
| Dimensions | 12 × 11.15 × 4.55 in |
| Total Connectors | 1 x 20+4-Pin ATX Motherboard<br />1 x 4+4-Pin EPS CPU<br />9 x 15-Pin SATA<br />3 x 4-Pin Peripheral / Molex<br />4 x 6+2-Pin PCIe |
| Active Power Factor Correction | Yes |
| Certifications | BSMI, CB, CCC, CE, EAC, FCC, RCM, TUV, cTUVus, as per Manufacturer |
| Protection | Over-Current Protection, Over-Power Protection, Over-Temperature Protection, Over-Voltage Protection, Short-Circuit Protection, Under-Voltage Protection |
| Compliance | ATX 12 V v2.4 |
| Form Factor | ATX |
| Operating Temperature | 32 to 104°F / 0 to 40°C |
| Bearing Type | Loop Dynamic Bearing (LDB) |
| Fan Size | 120 mm |
| Power-Good Signal | 100 to 500 ms |
| Hold up Time | 16 ms at 80% Load |
| Efficiency | 85% |
| Efficiency Rating | 80 PLUS Bronze |
| Cable Design | Semi-Modular |
| AC Input Power | 100 to 240 VAC, 50 / 60 Hz |
| Peak Power | 750 W |
| Max Power for -12 V | 3.6 W |
| Max Load for +5 Vsb | 3 A |
| Max Power for +5 Vsb | 115 W |
| Max Load for +5 V | 22 A |
| Max Load for +3.3 V | 22 A |
| Combined Power for +3.3/+5 V | 120 W |
| Max Load for -12 V | 0.3 A |
| Combined Power for +12 V | 650 W |
| Total Wattage | 650 W |
| Mean Time Between Failures (MTBF) | 100, 000 Hours |
2 reviews for Cooler Master MasterWatt 650 650W 80 Plus Bronze Semi-Modular Power Supply
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Mark Lang (verified owner) –
Great value for an entry-level gaming build. Loved the modular option to cut down on un-needed cabling. Great fit and finish. Well done!
Marley Hyatt (verified owner) –
I like the 650 w version and it being semi-modular it good, I should have looked for a fully modular