MSI
Power Supply
MSI MAG A850GL PCIE5 850 W 80+ Gold
Key Features
Fully Modular
PCIe 5.0 Ready
Japanese Capacitors
MSRP:
$149
Technical Specifications
Manufacturer
MSI
MSRP
$149
Type
ATX
Wattage
850 W
Efficiency Rating
80 PLUS Gold
Modular
Yes
Color
Black
Fanless
No
Dimensions
140mm x 150mm x 86mm
Length
140 mm
Connectors
Atx 4 Pin: 0 • Eps 8 Pin: 2 • Pcie 16 Pin 12Vhpwr: 1 • Pcie 12 Pin: 0 • Pcie 8 Pin: 0 • Pcie 6 Plus 2 Pin: 4 • Pcie 6 Pin: 0 • Sata: 8 • Amp Molex 4 Pin: 4
Release Year
2024
Pros & Cons
Pros
- Excellent 850W capacity for high-end gaming with RTX 4080/4090 class GPUs
- Provides comfortable headroom for overclocking
- Fully modular design enables custom cable configurations
- Reduces cable clutter and improves airflow significantly
- Good 80 PLUS Gold efficiency provides reliable power delivery
- Reputable brand with decent build quality and support
- PCIe 5.0 connector ready for next-generation GPUs
- Future-proof connectivity for RTX 5000 series and beyond
Cons
- May be overkill for mainstream gaming systems
Community Insights
- Many users praise this PSU for its ATX 3.0 and PCIe 5.0 compatibility, particularly highlighting the inclusion of the 12VHPWR cable. It’s often recommended for new builds with high-end RTX 40 series GPUs, with users appreciating its readiness for current and next-generation graphics cards.
- Another common discussion centers on its quiet operation and solid build quality. The fan is frequently described as silent or near-silent under load, while the overall construction feels robust and premium, which gives users confidence in its long-term reliability.
Frequently Asked Questions
Is the MSI MAG A850GL PCIE5 compatible with RTX 4090 and other PCIe 5.0 GPUs?
Yes, this power supply is fully compatible with RTX 4090 and other PCIe 5.0 GPUs, including a native 12VHPWR cable as required by these cards.
What warranty does the MSI MAG A850GL PCIE5 offer?
This PSU comes with a 10-year warranty, which is frequently highlighted as a strong point for peace of mind and long-term support.
Performance Guide & Use Cases
Best For
High-end gaming with RTX 4080/4090 class GPUs (850W)
Content creation and workstation builds (850W)
Next-generation GPUs and future-proofing (PCIe 5.0)
RTX 5000 series and modern GPU compatibility
Standard ATX builds and mainstream systems
Custom cable management and clean builds (modular)
Overkill Scenarios
Budget gaming systems with entry-level GPUs (850W)
Office productivity without high-performance components (850W)
Basic web browsing and document editing systems
Media streaming and light productivity tasks
Avoid For
Mini-ITX and compact case builds (ATX too large)
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