Seasonic VERTEX PX-850 850W ATX 3.0 Fully-Modular 80+ Platinum PSU
850W ATX 3.0 fully modular PSU with 80 PLUS Platinum efficiency (92% at 50% load). Features 16-pin 12VHPWR for PCIe 5.0 GPUs, hybrid FDB fan for silent operation, and 12-year warranty.
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80 PLUS® Platinum Efficiency
The Seasonic VERTEX PX-850 delivers exceptional 92% efficiency at 50% system load, earning 80 PLUS Platinum certification for reduced energy waste and lower operating costs.
ATX 3.0 & PCIe 5.0 Ready
Fully compliant with ATX 3.0 standards, this PSU includes a native 16-pin 12VHPWR connector for next-gen GPUs. It supports power excursions up to 2x rating for 0.1ms, ensuring stability with modern components.
Premium Hybrid Fan Control & FDB Bearing
Hybrid fan mode minimizes noise by keeping the 135mm Fluid Dynamic Bearing fan off at low loads. FDB technology reduces friction, vibration, and extends fan life significantly.
- ✅ Fully Modular flat black cables for clean builds
- ✅ 1x 16-pin PCIe 5.0 + multiple 6+2 pin PCIe cables
- ✅ 2x EPS12V for high-end CPUs
- ✅ 12-Year Seasonic warranty
- ✅ MTBF 150,000 hours
| Total power | 850 W |
| 80 PLUS certification | 80 PLUS Platinum |
| ATX version | 3.0 |
| Cabling type | Fully-Modular |
| PCI Express power connectors (16-pin) | 1 |
| EPS power connector (8-pin) | 2 (4+4 pin) |
| Fan diameter | 13.5 cm |
| Bearing technology | FDB |
| Combined power (+12V) | 840 W |
| Max output current (+12V) | 70 A |
| Mean time between failures (MTBF) | 150000 h |
| Warranty | 12 Years |
| Power protection features | Over power, Over voltage, Short circuit, Under power, Over current, Over temperature |
| Operating temperature (T-T) | 0 - 50 °C |
| Width | 150 mm |
| Depth | 160 mm |
| Height | 86 mm |