MSI MPG A1000GS PCIE5 power supply unit 1000 W 24-pin ATX ATX Black

The MSI MPG A1000GS 1000 W is a fully modular power supply unit designed for high-performance desktop PCs. It supports ATX 3.1 and PCIe 5.1 standards and includes two 12V-2x6 connectors to provide reliable power for modern GPUs and AI-focused systems. The unit is 80 PLUS Gold certified, features a 24-pin ATX motherboard connector, a 135 mm cooling fan, and a compact chassis (150 × 150 × 86 mm) suitable for demanding gaming, streaming, and AI workloads.

Advantages

The PSU delivers stable and efficient power with 80 PLUS Gold efficiency and a 1000 W capacity. Fully modular cabling simplifies installation and cable management. Compliance with ATX 3.1 and PCIe 5.1 and inclusion of two 12V-2x6 connectors make it compatible with NVIDIA 50-series graphics cards and other high-power components. A 135 mm fan and advanced thermal design maintain cool operation under load.

Suitable for

• High-end gaming PCs with NVIDIA 50-series GPUs
• Workstations for AI inference or training on consumer hardware
• Streaming and content-creation rigs with multiple high-power components
• Systems requiring clean cable routing via fully modular cabling

Key specifications

• Total power: 1000 W
• 80 PLUS certification: 80 PLUS Gold
• Motherboard connector: 24-pin ATX
• PCIe support: PCIe 5.1 with two 12V-2x6 connectors
• ATX standard: ATX 3.1
• Fan diameter: 135 mm
• AC input: 100–240 V, 50/60 Hz
• Dimensions: 150 x 150 x 86 mm
• Color: Black

How to use

Install the MSI MPG A1000GS into a compatible PC case and connect the 24-pin ATX cable to the motherboard. Use the fully modular cables to connect the CPU, GPU, and storage devices as required, ensuring the two 12V-2x6 PCIe connectors are used for GPUs that require them. Verify input voltage compatibility (100–240 V) before powering on and route cables to maintain airflow. On first use, monitor system temperatures and voltages to confirm stable operation.

Recommendations

For optimal longevity and performance, ensure adequate case ventilation and periodically clean the 135 mm fan and vents. Use the modular cables supplied by MSI to avoid third-party adapters that may not meet the same specifications.