Seasonic Vertex GX-1000 1000W 80 Plus ゴールド モジュラー ATX 3.0 電源ユニット

This article covers Seasonic Vertex GX-1000 1000W 80 Plus ゴールド モジュラー ATX 3.0 電源ユニット.

Overview

The Seasonic Vertex GX-1000 is a 1000W fully modular power supply unit with 80 PLUS GOLD certification. It fully supports the ATX 3.0 and PCIe 5.0 standards, providing stable power delivery for systems equipped with the latest high-end graphics cards and next-generation CPUs. The unit features a 135mm fluid dynamic bearing (FDB) fan and Seasonic's proprietary Hybrid Silent fan control, which stops the fan entirely under low loads, balancing silent operation with effective cooling. This PSU is ideal for high-performance gaming PCs and creator workstations that demand high power conversion efficiency and robust build quality. The fully modular cable design allows you to connect only the cables you need, improving case airflow and simplifying assembly and maintenance. In the market, the Vertex GX-1000 sits in the premium tier of 80 PLUS GOLD 1000W units, positioned above Seasonic's Focus series. It offers high reliability and a standard 10-year manufacturer warranty, making it a strong choice for enthusiasts who want a long-lasting, future-proof power supply.

Compatibility Guide

The unit conforms to the standard ATX (PS/2) form factor, fitting most mid-tower and full-tower cases. It includes a main 24-pin ATX connector, two 8-pin (4+4) CPU power connectors, four 6+2 pin PCIe connectors, and one native 12VHPWR (12+4 pin) cable. The native 12VHPWR cable connects directly to NVIDIA GeForce RTX 40 series and future compatible graphics cards, eliminating the need for adapters and keeping cable routing clean. It provides 12 SATA power connectors and 4 peripheral 4-pin connectors, supporting multiple drives in a storage-heavy build. * Recommended system configuration: high-end CPUs (e.g., Core i9-14900K / Ryzen 9 7950X) paired with flagship GPUs (e.g., RTX 4090 / RX 7900 XTX) will run comfortably with headroom.

Product Info

The Seasonic Vertex GX-1000 was released in 2023 and fully complies with ATX 3.0 and PCIe 5.0 standards. It achieves 80 PLUS GOLD certification (90% efficiency at 50% load on 115V) for high power conversion efficiency. The fully modular design lets you connect only the cables you need, improving case airflow and simplifying assembly. For cooling, it uses a 135mm fluid dynamic bearing (FDB) fan with Seasonic's Hybrid Silent fan control, which stops the fan entirely when system load is below approximately 30%. This enables silent operation during idle and light workloads. The unit carries a standard 10-year manufacturer warranty, ensuring long-term peace of mind. In the market, it is positioned as a high-end model within the 80 PLUS GOLD tier, sitting just below Seasonic's PRIME series in the premium lineup.

Best Use Cases

High-End Gaming PC Builders: When using flagship GPUs like the RTX 40 series or Radeon RX 7000 series, the 1000W capacity and native 12VHPWR cable provide stable power delivery and clean cable management. ATX 3.0 compliance ensures resilience against transient power spikes, contributing to system stability. Creator Workstations: For video editing, 3D rendering, or AI processing under sustained heavy loads, the 80 PLUS GOLD efficiency and Hybrid Silent control reduce noise and improve workflow comfort. The fully modular design makes it easier to organize cables when installing multiple high-capacity storage drives, optimizing airflow. Silence-Oriented Users: The fan stops completely under low loads, making this PSU suitable for desktop PCs placed in living rooms or bedrooms where noise is a concern. The 135mm FDB fan is long-lasting and minimizes noise increase due to aging.

Things to Consider

At 1000W, this unit is overkill for typical mid-range builds (e.g., Core i5 + RTX 4060). In such cases, a lower-capacity model like the Vertex GX-750 or Focus GX-750 would be more cost-effective. The physical dimensions (140mm depth) may not fit compact cases with less than 140mm of PSU clearance. Always check your case's PSU compartment depth before purchasing. Competitors in the same price bracket include the Corsair RM1000x and be quiet! Straight Power 12 1000W. The Vertex GX-1000's strengths are its native 12VHPWR cable and 10-year warranty, though some competitors may offer slightly quieter operation. * While this unit is 80 PLUS GOLD certified, models with PLATINUM or TITANIUM certification offer marginally higher efficiency. However, the annual electricity cost difference for a typical household is only a few thousand yen, making GOLD certification a practical and cost-effective choice.