Seasonic Vertex GX-1200 1200W 80+ Gold Fully Modular ATX 3.0 Power Supply - Black (Boxed)
Seasonic Vertex GX-1200: 1200W 80+ Gold fully modular PSU with ATX 3.0, 12VHPWR 16-pin PCIe 5.0 support, 135mm FDB fan, hybrid cooling, 10-year warranty, black.
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Discontinued
This item was discontinued and currently is not available for order on our website. The item may become available soon. Please contact us if you need more information regarding the upcoming arrivals.
| PSU (Power Supplies) - Wattage | 1200 - 1499 W |
|---|---|
| PSU (Power Supplies) - Efficiency Rating | 80 Plus Gold |
| PSU (Power Supplies) - Color | Black |
| PSU (Power Supplies) - Modularity | Fully modular |
| PSU (Power Supplies) - PCIe GPU Connectors | 1x 12VHPWR 16-pin |
| PSU (Power Supplies) - Length | 141-160 mm 180+ mm |
| PSU (Power Supplies) - EPS CPU Connectors | 2x 4+4pin EPS/ATX12V |
Premium 1200W Power Supply for Modern Gaming and Workstation Builds
The Seasonic Vertex GX-1200 delivers exceptional power stability and efficiency for high-end systems. Certified 80+ Gold with approximately 90% efficiency at 50% system load, this fully modular PSU minimizes wasted energy and heat generation. Built with premium Japanese Nippon Chemi Con capacitors and top-tier components throughout, it achieves a 10-year warranty and 150,000-hour MTBF rating, ensuring long-term reliability for demanding workloads.
Designed for next-generation hardware, the Vertex GX-1200 features full ATX 3.0 compliance and includes a 12VHPWR 16-pin connector for PCIe 5.0 graphics cards. The large 135mm Fluid Dynamic Bearing (FDB) fan operates in hybrid cooling mode, spinning down completely during low-load scenarios and ramping up smoothly under heavy demand. This intelligent design keeps noise levels impressively low—users consistently report near-silent operation even at full load. The fully modular cabling system enables clean cable management and optimal case airflow, while comprehensive protection features (overcurrent, overvoltage, short circuit, and more) safeguard your components.
Key Features:
- 1200W continuous output with 80+ Gold certification
- ATX 3.0 standard with 12VHPWR 16-pin PCIe 5.0 connector
- Fully modular design for flexible cable routing
- 135mm FDB fan with hybrid cooling mode for silent operation
- Premium Japanese capacitors and high-grade components
- 10-year manufacturer warranty and 150,000-hour MTBF
- Comprehensive power protection (OCP, OVP, UVP, SCP)
- Supports modern Nvidia and AMD graphics cards
| Total Power Output | 1200 W |
| Efficiency Rating | 80+ Gold (90% at 50% load) |
| Form Factor | ATX |
| ATX Standard | ATX 3.0 |
| Modularity | Fully Modular |
| AC Input Voltage | 100 - 240 V |
| AC Input Frequency | 50 - 60 Hz |
| Input Current | 15 - 7.5 A |
| +12V Rail Output | 1200 W |
| +12V Max Current | 100 A |
| +5V Rail Output | 125 W |
| +5V Max Current | 25 A |
| +3.3V Rail Output | 125 W |
| +3.3V Max Current | 25 A |
| -12V Rail Output | 3.6 W |
| -12V Max Current | 0.3 A |
| +5Vsb Rail Output | 15 W |
| +5Vsb Max Current | 3 A |
| Motherboard Power Connector | 20+4 pin ATX |
| Motherboard Power Cable Length | 61 cm |
| CPU Power Connectors | 2x 4+4 pin EPS/ATX12V |
| CPU Power Cable Length | 65 cm |
| PCIe Power Connectors | 1x 12VHPWR 16-pin (PCIe 5.0) |
| SATA Power Connectors | 4 |
| SATA Power Cable Length | 950 mm |
| Peripheral (Molex) 4-pin Connectors | 1 |
| Peripheral (Molex) Cable Length | 690 mm |
| Cooling System | Active (1x 135mm FDB fan) |
| Fan Type | Fluid Dynamic Bearing (FDB) |
| Fan Diameter | 13.5 cm |
| Fan Control | Hybrid Mode (silent at low load, active cooling at high load) |
| Power Protection Features | Overcurrent (OCP), Overvoltage (OVP), Undervoltage (UVP), Short Circuit (SCP), Overpower (OPP) |
| Dimensions (Unit) | 150 mm (W) x 160 mm (D) x 86 mm (H) |
| Operating Temperature Range | 0 - 50 °C |
| Mean Time Between Failures (MTBF) | 150,000 hours |
| Warranty | 10 years |
| Certifications | cTUVus, TUV, CB, CCC, BSMI, EAC, CE, Energy Star, RoHS, WEEE, ErP Lot 6, REACH |
| Color | Black |
| Cabling Type | Fully Modular |
| Cables Included | AC power cable, CPU 4+4 pin cables, PCIe 12VHPWR 16-pin cable, SATA power cables, Molex 4-pin cable, Molex to SATA 3.3 adapter cable, cable ties |
| Package Type | Retail Box |
| Capacitor Type | Premium Japanese Nippon Chemi Con (high-temperature rated) |