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Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Technical details | |
| Sustainability certificates | ENERGY STAR |
| Ports & interfaces | |
| Floppy disk drive connector | ![]() |
| PCI Express connector | ![]() |
| Motherboard power connector | 20+4 pin ATX |
| Floppy drive power connector | 1 |
| Number of SATA power connectors | 10 |
| Peripheral (Molex) power connectors (4-pin) | 3 |
| EPS power connector (8-pin) | ![]() |
| ATX power connector (20+4 pin) | ![]() |
| PCI Express power connectors (8-pin) | 4 |
| CPU power connector (4+4 pin) | ![]() |
| PCI Express power connectors (6+2 pin) | 4 |
| Cabling type | Modular |
| Motherboard power cable length | 61 cm |
| SATA power cable length | 450,470,570,700,760 mm |
| CPU power cable length | 65 cm |
| Peripheral (Molex) power cable length | 470,690 mm |
| PCI Express power cable length | 75 cm |
| Floppy disk drive cable length | 10.1 cm |
| Weight & dimensions | |
| Height | 86 mm |
| Width | 150 mm |
| Depth | 140 mm |
| Energy management | |
| Peak power | 650 W |
| Input current | 9 - 4.5 A |
| Nominal power | 650 W |
| Efficiency | 90% |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
| Combined power (+3.3V) | 100 W |
| Combined power (+12V) | 648 W |
| Combined power (+5V) | 100 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 15 W |
| Max output current (+3.3V) | 20 A |
| Max output current (+12V) | 54 A |
| Max output current (+5V) | 20 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 100 - 240 V |
| Total power | 650 W |
| Operational conditions | |
| Operating temperature (T-T) | 0 - 50 °C |
| Packaging data | |
| Manual | ![]() |
| Package type | Box |
| Certificates | |
| Certification | cTUVus, TUV, CB, CCC, BSMI, EAC, CE WEEE, ErP Lot 6, REACH |
| RoHS compliance | ![]() |
| 80 PLUS certification | 80 PLUS Gold |
| Compliance certificates | RoHS |
| Packaging content | |
| Cables included | AC, PCIe, SATA |
| Other features | |
| Number of screws | 4 |
| Screws included | ![]() |
| Design | |
| Product colour | Black |
| Illumination | ![]() |
| Number of fans | 1 fan(s) |
| On/off switch | ![]() |
| Cooling type | Active |
| Fan diameter | 13.5 cm |
| Fan location | Top |
| Performance | |
| Mean time between failures (MTBF) | 150000 h |
| Form factor | ATX |
| Purpose | PC |
| Bearing technology | FDB |
| Silent mode | ![]() |
| Power supply unit (PSU) form factor | ATX |
| Logistics data | |
| Harmonized System (HS) code | 84733020 |
| EAN | 4711173874256 |
| Warranty | 1 year |
The Seasonic PRIME GX-650 is a 650W power supply unit with a fully modular design and an ATX form factor, intended for performance-oriented systems. It holds an 80 PLUS Gold certification, achieving up to 90% efficiency at typical operating loads, which reduces wasted energy and thermal output. Internally, the unit is constructed with high-grade Japanese capacitors and features Micro Tolerance Load Regulation. This design maintains tight voltage stability, providing consistent power delivery to sensitive components during variable system demands.
System cooling is handled by a 135 mm fan with a fluid dynamic bearing for extended lifespan and quiet performance. The Premium Hybrid Fan Control allows for passive, silent operation at lower power draws, with the fan activating only when necessary. Its fully modular cabling system enables builders to use only the required cables, which simplifies cable management and promotes better airflow within the chassis. At a standard 140 mm depth, the PSU fits into most ATX-compliant cases without issue.
Key Features:- 650W total power output
- 80 PLUS Gold efficiency certification
- Fully modular cable system
- Standard ATX power supply form factor
- 135 mm fan with a fluid dynamic bearing
- Hybrid fan control for low-noise operation
- Includes four 6+2 pin PCIe power connectors
- Features ten available SATA power connectors
- Equipped with OPP, OVP, UVP, OCP, OTP, and SCP protections
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- leaflet (English)


