Rosewill VSB750 750 W ATX 3.1 semi-modular power supply
- ATX 3.1 Compatible
- 750 W
Rosewill
A 650 W ATX 3.1 semi-modular unit with an 80 PLUS Bronze rating, a 120 mm fan, a 12V-2x6 connector and a 140 mm compact chassis
Options ATX 3.1 80+ Bronze (650W)
The Rosewill VSB650 is a 650 W semi-modular power supply built to the ATX 3.1 standard. Its 140 mm chassis fits small-form-factor cases while delivering a single +12 V rail rated for the full 650 W. Builders upgrading to PCIe 5.1 graphics cards get a native 12V-2x6 connector rated for 450 W direct GPU power. The 80 PLUS Bronze design reaches up to 85 % efficiency at typical loads.
Moving from an ATX 2.x unit adds the 12V-2x6 cable and the 3.1 transient-response profile required by modern GPUs. The jump is worth it when the new graphics card specifies a native 12+4 pin connection or when the old supply cannot sustain the 235 % total power excursion spec. The semi-modular layout keeps cable count low in tight builds. Hold-up time is 16 ms minimum.
A 120 mm ICB silent fan and a steel shell with large vents manage thermals during long sessions. The 105 °C Japanese capacitor maintains rated output at high internal temperatures. Six protection circuits — OCP, OPP, OTP, OVP, SCP and UCP — engage without interrupting delivery. The single-rail design keeps +12 V voltage stable across the full 650 W range.
| Brand | Rosewill |
|---|---|
| Model | VSB650 |
| Type | ATX 3.1 Compatible |
| Maximum Power | 650 W |
| Fans | 1 x 120 mm |
| PFC | Active |
| Main Connector | 20+4Pin |
| +12V Rails | Single |
| SATA Power Connector | 6 |
| CrossFire | CrossFire Ready |
| Max PSU Length | 140 mm |
| Modular | Semi-Modular |
| Hold-up Time | 16ms min. |
| Efficiency | Up to 85% |
| Energy-Efficient | 80 PLUS BRONZE Certified |
| Over Voltage Protection | Yes |
| Overload Protection | Yes |
| Output | +3.3V@18A, +5V@18A, [email protected] , [email protected] , +5VSB@3A |
| Connectors | 1 x 20+4-Pin Main Connector 2 x 4+4-Pin ATX12V / EPS12V Connector 2 x 6+2-Pin PCI-E Connector 1 x 12+4-Pin 12V-2x6 Connector 6 x 15-Pin SATA Connector 3 x 4-Pin Peripheral Connector |
| 배송 무게 | 2.06 kg |
| 포장 크기 | 267 × 203 × 112 mm |
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The chassis measures 140 mm long by 150 mm wide by 86 mm high, so verify your case clearance against those dimensions before ordering.
The 20+4-pin main and both 4+4-pin EPS cables are permanently attached; plug the 12V-2x6, the two 6+2-pin PCIe, the six SATA and the three peripheral cables only if your build needs them.
The ICB fan uses a 105 °C rated Japanese capacitor; under normal loads expect several years of service, but replace it if bearing noise appears or airflow drops noticeably.
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