Corsair
Corsair HX1200i (ATX 3.1)
1,200 W · 80 PLUS Platinum · Full
8.3
$280Nov 9
MSI MAG A850GLS PCIE5
An 850 W ATX 3.1 unit with a 600 W 12V-2x6 cable and 135 mm fan that Tom's Hardware rated a competent mainstream performer.
- 850 W
- 80 PLUS Gold
- Full
- ATX 3.1
- ATX
PCPR score
7.7
Good
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R1
The short version
MSI's MAG A850GLS PCIE5 pairs ATX 3.1 compliance with a 600 W native 12V-2x6 cable, four 6+2-pin PCIe connectors and a 135 mm fluid dynamic bearing fan in a 150 mm body. Tom's Hardware found good efficiency and electrical performance with quiet running, though it flagged mid-tier components and an odd connector mix. A seven-year warranty applies. It suits gaming builds that want a native GPU cable without paying for premium internals.
Pros
- Native 600 W 12V-2x6 cable
- Tom's Hardware measured excellent efficiency and good electrical performance
- Seven-year warranty per Tom's Hardware
- Quiet operation in Tom's Hardware's testing
Cons
- Tom's Hardware noted mid-tier component selection
- Tom's Hardware called the connector configuration peculiar
- 150 mm length is longer than a 140 mm ATX unit
Best for
- Mainstream gaming builds
- Buyers who want a native GPU cable
J3
Full specifications
Core
- Wattage
- 850 W
- Form factor
- ATX
- Efficiency
- 80 PLUS Gold
- ATX standard
- ATX 3.1
Features
- Modularity
- Full
- Warranty
- 7 years
Physical
- Length
- 150 mm
- Color
- Black
Connectivity
- 12V-2x6 / 16-pin
- 1
- PCIe 8-pin
- 4
- EPS 8-pin
- 2
- SATA power
- 8
- Molex
- 3
Cooling
- Fan size
- 135 mm
Compatibility notes
- 150 mm long; check PSU clearance in compact cases
- One 4+4-pin and one 8-pin EPS connector rather than two 4+4-pin EPS connectors
P1
Where to buy
- Buy from the maker
MSI official page
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AV1
Video reviews
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AV2
What reviewers and owners say
Tom's Hardware
MixedTom's Hardware found reliable power, excellent efficiency and quiet running, describing it as a dependable workhorse, while criticizing mid-tier components and a peculiar connector configuration.
4/5 · 2025-10-22
Read the source
Summaries are written in our words. Follow the links for each source’s own review.
R9
Common questions
Does the MSI MAG A850GLS PCIE5 work with 16-pin GPUs?
Yes. MSI includes a native 16-pin 12V-2x6 cable rated at 600 W, along with four 6+2-pin PCIe connectors for cards that use 8-pin power.
How long is the MAG A850GLS?
MSI lists 150 x 150 x 86 mm dimensions, so it needs 150 mm of PSU clearance in your case.
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