80 PLUS GOLD CERTIFIED – An efficient power supply reduces energy consumption and heat load of the...80 PLUS GOLD CERTIFIED – An efficient power supply reduces energy consumption and heat load of the system. 80 PLUS Gold (up to 90%) is ideal for hardware with high power consumption (such as high-end GPUs and CPUs) ATX 3.1 FULLY MODULAR - With ATX 3.1, the PSU can handle up to 2x total & 3x GPU power excursions; A full modular format with premium copper alloy connectors PCIe 5.1 GPU SUPPORT - With the native 16-pin (12V-2x6) PCIe connector, the PSU can feed up to 600W of power to a PCIe 5.1 GPU (NVIDIA & AMD supported) EXTRA COMPACT (ATX) SIZE - A compact 150 mm-long and 150 mm-wide ATX form factor ensures a comfortable and easy fit in most PC cases. This frees up more space for cable management and airflow to the rest of the system. DURABLE DESIGN - A half-bridge LLC with DC-to-DC converter and an active PFC design ensure a reliable output (OCP, OVP, OPP, OTP, SCP, UVP protection).
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The MSI MAG A1000GL PCIE5 WHITE is designed for PC builders and enthusiasts who require stable, efficient power for high-performance systems, especially those utilizing the latest PCIe 5.1 GPUs. Its key benefit is robust power delivery with 80 PLUS Gold certification and ATX 3.1 compliance, ensuring compatibility with power-hungry components and handling transient spikes. A potential caveat for some builders may be its standard ATX size, which, while compact, still requires adequate case space.
All features
Model Part Number
A1000GL
Brand
MSI
Extended Product Information
FAQs
What does 80 PLUS Gold certification mean?
It signifies that the power supply is highly efficient, typically converting at least 87% of AC input power to DC output power at 20% load, 90% at 50% load, and 87% at 100% load under typical conditions. This reduces wasted energy and heat.
What is ATX 3.1 and why is it important?
ATX 3.1 is an updated standard for power supply design, enhancing compatibility with modern hardware by specifying how power supplies should handle high transient power excursions (sudden, brief spikes in power draw) from components like high-end GPUs and CPUs.
Can I use the 16-pin PCIe connector with older GPUs?
The native 16-pin (12V-2x6) connector is designed for PCIe 5.1 GPUs. For PCIe 4.0 or 3.0 GPUs, you will use the standard PCIe 6+2 pin connectors that come with the PSU or adapter cables if provided.
Is this PSU suitable for overclocking?
Yes, the robust design, high efficiency, and ATX 3.1 compliance make it well-suited for high-performance systems, including those that are overclocked, provided the total system power draw does not exceed the PSU's 1000W capacity.
How do I know if I need a 1000W PSU?
A 1000W PSU is generally recommended for high-end gaming PCs with top-tier CPUs and GPUs (e.g., RTX 4090, RX 7900 XTX), multiple drives, and extensive cooling, especially if overclocking. Use a PSU calculator online to estimate your system's specific needs.
What does 'fully modular' mean for my build?
Fully modular means all cables can be detached from the power supply unit. This allows you to connect only the cables you need, leading to a cleaner build, improved airflow, and easier cable management.
What safety protections are included?
The PSU includes Over Current Protection (OCP), Over Voltage Protection (OVP), Over Power Protection (OPP), Over Temperature Protection (OTP), Short Circuit Protection (SCP), and Under Voltage Protection (UVP) to safeguard your components.
Troubleshooting
PSU does not power on
Verify the power cord is securely plugged into the PSU and the wall outlet. Ensure the main power switch on the PSU is in the 'I' (on) position. Double-check all motherboard power connections (24-pin ATX and 8-pin EPS/CPU).
System is unstable or shuts down unexpectedly
Ensure all power cables are firmly seated at both the PSU and component ends. Check if the system's power draw exceeds the PSU's capacity. For systems with high-end GPUs, confirm the PCIe 5.1 cable is correctly connected and the GPU is within its power excursion limits.
Fans are not spinning
Some PSUs feature a fanless mode at low loads. Check if the PSU has an 'Eco' or fan-off mode switch and ensure it's set appropriately. If the fan still doesn't spin under load, there might be an issue; contact support.
Visible sparks or strange noises from PSU
Immediately shut down the system, unplug the power cord, and do not use the PSU. This indicates a serious internal issue. Contact customer support for assistance.
Pros and Cons
Pros
High energy efficiency (80 PLUS Gold) lowers electricity costs and heat output.
ATX 3.1 and PCIe 5.1 support ensures compatibility with the latest high-end hardware.
Fully modular design simplifies installation and cable management for a cleaner PC build.
Compact ATX form factor fits into a wide range of PC cases.
Robust safety protections safeguard your components.
Reliable power delivery for demanding gaming and workstation tasks.
Cons
While compact for its wattage, it still requires a standard ATX-compatible case.
The 1000W capacity may be overkill for budget or lower-power systems.
Requires careful cable management to fully leverage the modular design.
Potential for component interference if case space is extremely limited.
Setup, Compatibility & Care
Setup:
Ensure your PC case has sufficient space for an ATX form factor power supply (150mm x 150mm x 86mm).
Disconnect all power from your system before installation.
Mount the PSU into its bay using the provided screws.
Connect only the necessary modular cables to the PSU and your motherboard, CPU, GPU, and storage devices. Refer to your motherboard and GPU manuals for specific connector requirements.
The native 16-pin (12V-2x6) PCIe connector is for PCIe 5.1 GPUs.
Connect the main power cord and power on your system.
Compatibility:
Motherboard: Compatible with standard ATX motherboards.
CPU: Supports the latest Intel and AMD CPUs requiring significant power.
GPU: Fully compatible with PCIe 5.1 GPUs (NVIDIA & AMD) via the native 16-pin connector, and backward compatible with PCIe 4.0/3.0 GPUs using standard PCIe connectors.
Form Factor: ATX.
Care:
Cleaning: Periodically dust the PSU fan and vents using compressed air. Ensure the system is powered off and unplugged first.
Ventilation: Maintain clear airflow around the PSU. Avoid blocking the intake or exhaust vents within the PC case.
Modular Cables: Store unused modular cables in a safe, dry place.