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850W continuous power for high-performance systems; 80 PLUS Gold certification for energy efficiency; Fully modular design for easy cable management; Premium hybrid fan control with a 135mm fan
The Seasonic PRIME GX-850 is a high-performance 850W power supply unit designed for demanding PC builds. With 80 PLUS Gold certification, it ensures high efficiency and reliable power delivery. Featuring a fully modular design with flat black cables, it allows for easy cable management and improved airflow. The premium hybrid fan control and 135mm cooling fan provide quiet operation while maintaining optimal cooling. Its Intel ATX 12V form factor makes it compatible with a wide range of systems, making it an excellent choice for gaming rigs, workstations, and high-performance PCs.
Key Features:
- 850W continuous power for high-performance systems
- 80 PLUS Gold certification for energy efficiency
- Fully modular design for easy cable management
- Premium hybrid fan control with a 135mm fan
- Flat black cables for a clean and organized build
- Intel ATX 12V form factor for wide compatibility
- Supports multiple voltage rails: +3.3V, +5V, +12V, -12V, +5VSB
- Reliable and efficient power supply for gaming and workstation PCs
| Power | |
| Total power The total power that is needed by the device, or the total power produced by the device. | 850 W |
| AC input voltage The voltage of the AC electricity that is inputted into the product. | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Combined power (+3.3V) | 100 W |
| Combined power (+12V) | 840 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) | 70 A |
| Max output current (+5V) | 20 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 2.5 A |
| Hold time | 16 ms |
| Ports & interfaces | |
| Number of SATA power connectors | 10 |
| SATA power cable length | 450 mm |
| Peripheral (Molex) power connectors (4-pin) White 4-pinned connector used to connect a peripheral to the power supply. | 5 |
| Peripheral (Molex) power cable length | 450 mm |
| PCI Express power connectors (6-pin) | 6 |
| PCI Express power connectors (8-pin) | 6 |
| PCI Express power cable length | 67.5 cm |
| CPU P4 connector (4-pin) | 2 |
| CPU power cable length | 65 cm |
| ATX Power connector (24-pin) |
 |
| ATX Power connector (20-pin) |
|
| Floppy drive power connector | 1 |
| Floppy disk drive connector |
|
| Floppy disk drive cable length | 10.1 cm |
| CPU power connectors (8-pin) | 2 |
| Cabling type | Fully-Modular |
| Performance | |
| 80 PLUS certification | 80 PLUS Gold |
| Purpose What the product is used for. | PC |
| Power supply unit (PSU) form factor | ATX |
| Mean time between failures (MTBF) Statistical model used to indicate product/mechanism reliability; expressed in hours and percentage of duty cycle. This number (in hours) does not indicate the mean time before failure for a single unit/mechanism. | 150000 h |
| Design | |
| Product colour The colour e.g. red, blue, green, black, white. | Black |
| Fan diameter The size of the fan, measured by the distance from one side of the fan to the other, via a straight line going through the middle of the fan. | 13.5 cm |
| Number of fans The quantity of fans (apparatus with rotating blades that creates a current of air for cooling or ventilation). | 1 fan(s) |
| On/off switch The button which is pressed to switch the device on or off. |
|
| Operational conditions | |
| Operating temperature (T-T) The minimum and maximum temperatures at which the product can be safely operated. | 0 - 50 °C |
| Certificates | |
| Compliance certificates | RoHS |
| Certification | WEEE, ErP Lot 6, REACH, OPP, OVP, UVP, OCP, OTP, SCP |
| Safety regulation & standards | |
| Safety List of regulatory safety standards for all countries in which this product has been certified. | cTUVus, TUV, CB, CCC, BSMI, EAC |
| Weight & dimensions | |
| Width The measurement or extent of something from side to side. | 150 mm |
| Depth The distance from the front to the back of something. | 170 mm |
| Height The measurement of the product from head to foot or from base to top. | 86 mm |
| Technical details | |
| Sustainability certificates | ENERGY STAR |
| SKU | 821759 |
| MPN | SSR-850GD Active PFC F3 |
| Brand | Seasonic |
| Product Condition | Brand New/Unused |
| Stock Availability | Available for Shipping |