MSI
MSI MAG A850GL PCIE5 WHITE power supply 850W 80+ Gold ATX 3.1 PCIe 5.1
Fully modular 850 W ATX 3.1 unit with native 12V-2x6 PCIe 5.1 connector, 80 Plus Gold efficiency and 120 mm FDB cooling
- TypeATX 12V
- Maximum Power850 W
- ModularNo
- Fans1 x 120 mm Fluid Dynamic Bearing
- PFCActive
- Main Connector20+4 Pin
Type ATX 3.1 (850W) White
- 80 Plus Gold efficiency reduces waste heat and lowers energy draw
- ATX 3.1 and PCIe 5.1 native connector deliver up to 600 W to RTX graphics cards
- Fully modular flat cables keep the build tidy and airflow clear
- 120 mm fluid dynamic bearing fan runs quietly under load
- LLC full-bridge topology with DC-DC modules provides stable voltage rails
Compact 850 W ATX 3.1 unit
This MSI MAG A850GL PCIE5 WHITE power supply delivers 850 W through an ATX 3.1 and PCIe 5.1 ready design. The 80 PLUS Gold rating means up to 90 % efficiency, reducing waste heat. A fully modular layout with flat cables keeps the build tidy and airflow clear. The 120 mm fluid dynamic bearing fan runs quietly while moving air through the compact frame.
Check cables and clearances
Verify that your case accepts a standard ATX form factor and that the 120 mm fan has an unobstructed intake path. The unit provides one native 12V-2x6 connector rated for 600 W, two CPU 8/4-pin plugs, four PCIe 8/6-pin plugs, eight SATA and four Molex leads. Only connect the cables your components actually require.
Sustained load behaviour
Under continuous demand the LLC full-bridge topology with DC-DC modules keeps voltage regulation tight across the two +12 V rails. Active PFC and the full protection suite (OVP, OCP, OPP, OTP, SCP, UVP) maintain stable output without tripping. The Gold-rated efficiency curve limits internal temperature rise even during long sessions.
Highlights
- 80 Plus Gold efficiency reduces waste heat and lowers energy draw
- ATX 3.1 and PCIe 5.1 native connector deliver up to 600 W to RTX graphics cards
- Fully modular flat cables keep the build tidy and airflow clear
- 120 mm fluid dynamic bearing fan runs quietly under load
- LLC full-bridge topology with DC-DC modules provides stable voltage rails
Specifications
| Brand | MSI |
|---|---|
| Model | MAG A850GL PCIE5 White |
| Series | RMx Series |
| Type | ATX 12V |
| Maximum Power | 850 W |
| Modular | No |
| Fans | 1 x 120 mm Fluid Dynamic Bearing |
| PFC | Active |
| Main Connector | 20+4 Pin |
| +12V Rails | 2 |
| SATA Power Connector | 16 |
| Efficiency | > 85% |
| Energy-Efficient | 80 PLUS GOLD Certified |
| Input Voltage | 100 - 240 V |
| Input Frequency Range | 47 - 63 Hz |
| Input Current | 10A @ 115V, 5A @ 230V |
| Output | +5V@20A, +3.3V@20A, [email protected] , [email protected] , [email protected] |
| Connectors | 1 x MB (24/20 pins) 1 x 12VHPWR (PCI-E 5.0) 2 x CPU (8/4 pins) 4 x PCIe (8/6 pins) 8 x SATA (15 PIN) 4 x MOLEX (4 PIN) 1 x FDD (4 PIN) |
| Color | White |
| Fan LED | RGB |
| Max PSU Length | 150 mm |
| Protection | OVP, OCP, OTP, OPP, SCP, UVP |
| Cable Spec | 20_plus_4_pin_atx, 1, ATX |
| Peak Power | 850 |
| SLI | Certified |
| Approvals | not_applicable |
| Size/Dimensions | 11.5 in x 9.25 in x 5 in |
| Dimensions | 20' |
| Weight | 2.889 kilograms |
| Package Content | MAG A850GL, MAGA850GLPCIE5WT, 1, false |
| Frequency Range | 50/60 Hz |
| +3.3V Max. Current | 8A |
| +12V1 Max. Current | 9A |
| +12V2 Max. Current | 10A |
| +12V3 Max. Current | 30A |
| +12V4 Max. Current | 28A |
| +12V5 Max. Current | 29A |
| +12V6 Max. Current | 28A |
| +5VSB Max. Current | 5A |
| 12V Power Connector | 1 x 4 Pin ATX 12V |
| Floppy Connector | 1 |
| Peripheral Connector | 1 |
| Fans Total Quantity | 1 |
| Top Fans LED | Blue |
| Top Fans Noise Level | Air |
| Rear Fans LED | Blue |
| Features | MAG A850GL, Full Modular, full, Air, ATX, 10 Year Limited Manufacturer, MAG A850GL PCIE5 WHITE |
| Shipping weight | 2.90 kg |
| Package size | 300 × 220 × 125 mm |
Other versions of this model
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Questions about this item
Will this unit fit a standard ATX case and deliver 850 W continuously?
Yes, it follows the ATX 12V form factor and is rated for 850 W maximum power.
Can I connect an RTX 40-series card without an adapter?
The PSU includes a native 12V-2x6 (12VHPWR) cable that supplies up to 600 W to a PCIe 5.0 graphics card.
How many SATA drives and CPU power cables can I run at once?
You have 16 SATA connectors and two 8/4-pin CPU cables available from the fully modular set.
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