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Seasonic Vertex GX-1000/GX-1200 80 PLUS Gold ATX 3.1 PCIe 5.1 Fully Modular Power Supply

Seasonic Vertex GX-1000/GX-1200 80 PLUS Gold ATX 3.1 PCIe 5.1 Fully Modular Power Supply

The Seasonic Vertex GX series provides a future-proof power solution for high-performance builds, fully supporting the latest ATX 3.1 and PCIe 5.1 standards. It eliminates cable clutter with a fully modular design and ensures long-term reliability for power-hungry GPUs with its dedicated 12V-2x6 con


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Description

The Seasonic Vertex GX series represents the pinnacle of modern power delivery, engineered specifically to meet the rigorous demands of next-generation hardware. By integrating the latest ATX 3.1 and PCIe 5.1 standards, these units provide stable, efficient power for high-TDP components like the NVIDIA RTX 40-series and beyond. With 80 PLUS Gold certification and a robust 12-year warranty, the Vertex GX-1000 and GX-1200 offer a perfect balance of performance, quiet operation, and long-term peace of mind for enthusiasts and professionals alike.


This product is for:

- High-End Gamers: Ideal for those running flagship GPUs that require the new 12V-2x6 power connector for stable performance during intense gaming sessions.
- Content Creators: Provides consistent, clean power for multi-core CPUs and rendering workstations where system uptime is critical for productivity.
- PC Enthusiasts: Perfect for builders who prioritize clean aesthetics and cable management via a fully modular, embossed cable design.
- Future-Proofers: Users looking for a power supply that adheres to the latest industry standards (ATX 3.1) to ensure compatibility with future hardware generations.
- Silent Build Seekers: Those who demand a quiet workspace will benefit from the 135mm Fluid Dynamic Bearing fan and hybrid silent control.

Detailed specifications:

- Form Factor: Intel ATX 12 V / ATX 3.1 / PCIe 5.1
- Efficiency: 80 PLUS Gold Certified; Cybenetics Platinum (1000W) / Cybenetics Gold (1200W)
- Dimensions: 160 mm (L) x 150 mm (W) x 86 mm (H)
- Fan Technology: 135mm Fluid Dynamic Bearing (FDB) with Digital Hybrid Fan Control
- Cable Management: Fully Modular with high-quality embossed pattern cables
- Connectivity: Native 12V-2x6 cable included for direct GPU power delivery
- Protection Suite: OPP, OVP, UVP, OCP, OTP, SCP
- Warranty: 12 Years


Installing the Seasonic Vertex GX is a streamlined experience thanks to its fully modular architecture and high-quality embossed cables, which are more flexible than standard sleeved options. In operation, the unit remains remarkably quiet; the 135mm FDB fan rarely spins up under light loads due to the sophisticated Digital Hybrid Silent Fan Control. Under heavy gaming or rendering loads, the voltage regulation remains tight, preventing system crashes or micro-stutters. The compact 160mm depth ensures compatibility with a wide range of mid-tower cases without sacrificing airflow or space for cable management.


Compared to the previous Focus or Prime series, the Vertex GX is specifically optimized for the transient power spikes common in modern PCIe 5.1 graphics cards. While the Focus series offers great value, the Vertex adds the necessary 12V-2x6 native support and higher wattage headroom (up to 1200W) required for top-tier builds. Against competitors in the 80 PLUS Gold segment, Seasonic distinguishes itself with a superior 12-year warranty and the use of high-grade components that achieve Cybenetics Platinum efficiency levels in the 1000W model.

Q&A:

- What is the difference between ATX 3.0 and ATX 3.1 in this model? The Vertex GX ATX 3.1 update features the improved 12V-2x6 connector, which provides a more secure and reliable connection for high-power GPUs compared to the older 12VHPWR standard.
- Does this power supply include the cable for RTX 4090? Yes, it includes a native 12V-2x6 cable designed to handle up to 600W, making it fully compatible with the RTX 4090 and other high-end GPUs without needing adapters.
- Is the 135mm fan loud during heavy gaming? No, the Fluid Dynamic Bearing fan combined with Seasonic's digital hybrid control ensures the fan only spins as fast as necessary, maintaining a low noise profile even under heavy load.
- Can I use this in a smaller ATX case? With a depth of 160mm, the Vertex GX fits comfortably in most standard ATX cases, though it is always recommended to check your specific case's PSU clearance specifications.
- What does the 12-year warranty cover? The warranty covers any defects in materials or workmanship, reflecting Seasonic's confidence in the unit's long-term durability and the high quality of its internal components.
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