MSI MPG A1000G PCIE 5.1 & ATX 3.1 Gaming Power Supply - Full Modular - 80 Plus Gold Certified 1000W - 100% Japanese 105°C Capacitors - Compact Size - ATX PSU - 10 Year Warranty
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AI Verdict
This 1000W, 80 Plus Gold, ATX 3.1, PCIe 5.1 fully modular power supply is for serious gaming builds needing future-proof power delivery.
This 1000W, 80 Plus Gold power supply is a strong fit for modern gaming systems, especially those with high-power GPUs, due to its ATX 3.1 and PCIe 5.1 compliance. The fully modular design simplifies cable management, and the 10-year warranty provides long-term peace of mind.
If you need even higher efficiency or more wattage for extreme overclocking or multi-GPU setups, look for an 80 Plus Platinum or Titanium certified PSU with 1200W or more.
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Pros
- Guaranteed long-term operation with a 10-year limited warranty.
- Features 100% Japanese 105°C capacitors for component longevity.
- Fully modular design allows for using only necessary cables, reducing clutter.
- Supports the latest ATX 3.1 and PCIe 5.1 standards, including a native 12VHPWR connector for current-gen GPUs.
- Delivers full 1000W power even at elevated temperatures up to 47°C.
- Operates quietly at low loads due to its zero RPM fan mode.
Cons
- The 12VHPWR cable can be stiff, making tight bends challenging in some cases.
- The cooling fan can become noticeable at higher loads, despite the zero RPM mode at low utilization.
- Some users reported receiving older ATX 3.0/PCIe 5.0 versions when ordering the newer 3.1/5.1 model.
- The accessory bundle is minimal, including only essential cables and mounting screws.
- The ATX 3.1 specification relaxes the hold-up time requirement compared to ATX 3.0.
Dimension Scores
The 80 Plus Gold certification, 1000W output, ability to deliver full power at 47°C, and tight +12V load regulation with low ripple (22 mV max on 12V line) demonstrate high performance.
It features a zero RPM fan mode for silent operation at low loads, but the fan can become noticeable under higher system loads.
Utilizes 100% Japanese 105°C capacitors, exhibits good soldering and parts quality, and is backed by a 10-year warranty.
The fully modular design allows for selective cable usage, significantly reducing clutter, and most cables are flat for easier routing.
Best For
- High-end gaming PCs utilizing NVIDIA RTX 40-series GPUs like the 4080 or 4090.
- PC builders prioritizing future-proof component compatibility with ATX 3.1 and PCIe 5.1.
- Users who value clean cable management in their builds due to the fully modular design.
- Compact PC builds, given its relatively compact 150mm depth for a 1000W unit.
Not Recommended For
- Extremely budget-constrained PC builds, as its price point may not be justified for less demanding systems.
- Users who require absolute silence under all load conditions, as the fan can activate and be audible at higher power draw.
- Those expecting a comprehensive accessory package beyond basic cables and mounting hardware.
Watch Out For
- The included 12VHPWR cable is reported to be stiff, which can make routing and bending difficult, especially in smaller cases.
- There's a risk of receiving an older ATX 3.0/PCIe 5.0 version of the PSU instead of the advertised ATX 3.1/PCIe 5.1, as both versions were sold concurrently.
- Under heavy system loads, the fan's aggressive cooling profile can lead to noticeable noise, breaking the silent operation experienced at lower loads.
- The ATX 3.1 standard, which this PSU adheres to, has a relaxed hold-up time specification (12 ms vs. 17 ms in ATX 3.0), potentially affecting power stability during brief outages.
- The product comes with a frugal bundle, providing only the necessary AC power cable, mounting screws, and essential modular cables, without additional accessories.
Full Specifications
| ASIN | B0B434DB7Y |
| Brand | msi |
| Series | MPG |
| Voltage | 1 Volts |
| Wattage | 1000 watts |
| Language | English |
| Batteries | 1 Lithium Ion batteries required. |
| Model Name | MPG |
| Form Factor | ATX |
| Item Weight | 6.6 pounds |
| Manufacturer | MSI |
| Power Source | Information Not Available |
| Connector Type | atx,pcie |
| Cooling Method | Air |
| Output Wattage | 1000 |
| Item model number | 306-7ZP7C11-CE0 |
| Compatible Devices | Personal Computer |
| Product Dimensions | 11.5 x 9.5 x 5.4 inches |
| Item Dimensions LxWxH | 11.5 x 9.5 x 5.4 inches |
| Item dimensions L x W x H | 11.5 x 9.5 x 5.4 inches |
| Standing screen display size | 16 Inches |
| Is Discontinued By Manufacturer | No |
What Buyers Say
Many users are happy with the MSI MPG A1000G, especially its native 12VHPWR connector for RTX 40-series cards, which helps avoid adapter clutter. The fully modular design is a consistent highlight for clean builds, and the zero RPM fan mode keeps things quiet during light use. However, some buyers have reported receiving older ATX 3.0 versions instead of the newer 3.1, and the 12VHPWR cable's stiffness can be a pain for cable routing.
“This PSU is an absolute beast for my 4090, no melting issues even after months. The cables are stiff, yeah, but just don't bend 'em too hard until you have to. It's quiet most of the time, which is awesome.”
Common Praise
- Native 16-pin PCIe connector simplifies connections for RTX 40-series GPUs.
- Quiet operation at low loads thanks to the zero RPM fan mode.
- Fully modular design makes cable management straightforward and reduces case clutter.
- Compact size for a 1000W power supply, fitting well in various cases.
- Provides stable power delivery for high-end components like a 12900k and 4090 without issues.
- The 10-year warranty offers significant peace of mind for long-term use.
Common Complaints
- The 12VHPWR cable is stiff and can be difficult to bend, posing challenges for case aesthetics and closure.
- The fan can become audible and noticeable under heavy system loads, despite the zero RPM mode at idle.
- Some customers received the older ATX 3.0/PCIe 5.0 version when they expected the updated ATX 3.1/PCIe 5.1 model.
- The included accessory bundle is quite basic, lacking extras beyond the essential cables and mounting screws.
- The ATX 3.1 specification's relaxed hold-up time (12 ms) is a point of concern for some users compared to the previous 17 ms.
Ownership Tips
- The fan, while often off, will definitely spin up and be heard when pushing a high-end GPU like an RTX 4090, especially during intense gaming sessions.
- Careful planning for cable routing is essential due to the stiffness of the 12VHPWR cable, particularly in smaller cases where space is limited.
- It's crucial to double-check the product packaging upon arrival to confirm you've received the ATX 3.1 and PCIe 5.1 compliant version, as older stock might still be circulating.
- The power supply maintains stable voltage delivery even under sustained heavy loads from power-hungry CPUs and GPUs.
- The compact 150mm depth is a real advantage for builds where space is a premium, allowing for more flexibility in case choice.
Frequently Asked Questions
Is this PSU ATX 3.0 or ATX 3.1?
The MSI MPG A1000G has been silently updated to support ATX 3.1 and PCIe 5.1. However, some retailers may still have older stock that is ATX 3.0/PCIe 5.0 compatible, so verify the specific version when purchasing.
Does this power supply support NVIDIA RTX 40-series GPUs?
Yes, it supports NVIDIA RTX 40-series GPUs like the RTX 4080 and RTX 4090, featuring a native 16-pin 12VHPWR connector.
Is the MSI MPG A1000G quiet during operation?
The PSU features a zero RPM fan mode, which keeps the fan off and the unit silent at low loads. However, under heavy loads, the fan will activate and can become audible.
What kind of capacitors does this power supply use?
The MSI MPG A1000G uses 100% Japanese 105°C capacitors, which are known for their durability and stable performance.
What is included in the box with the power supply?
The box typically includes the PSU unit, the main motherboard cable, two CPU cables, three PCIe cables, three SATA cables, a Molex cable, an AC power cable, and four mounting screws.
Buying Guide
When buying a power supply, you're essentially getting the heart of your PC. It converts wall power into the specific voltages your components need. You need enough wattage to power everything, but also good efficiency to avoid wasting electricity and generating excess heat. Modularity is a huge plus for keeping your build clean, and newer standards like ATX 3.1 and PCIe 5.1 are crucial for compatibility with the latest, most powerful graphics cards.
Wattage (1000W)
80 Plus Gold Certified
Fully Modular Design
ATX 3.1 & PCIe 5.1
Alternatives
If this PSU doesn't quite fit, consider searching for power supplies with a higher 80 Plus Platinum or Titanium efficiency rating for better energy savings, or a larger wattage (e.g., 1200W+) if you plan on extreme overclocking or multi-GPU setups. Also, look for different physical dimensions if you have a very specific case size requirement.
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