MSI

MSI MAG A850GL PCIE5

Expert rating8.2 / 10

Wattage:: 850 W
80 PLUS Rating:: Gold
Modularity:: Fully Modular
ATX Standard:: ATX 3.0

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Manufacturer: MSI Last updated: 2026-09-12

MSI MAG A850GL PCIE5 (850W/80+ Gold/ATX/Fully Modular/ATX 3.0) Review

If you're searching for the MSI MAG A850GL PCIE5, or just looking for a solid 850W 80 PLUS Gold PSU in a ATX form factor, here's the full rundown on specs, price, and how it stacks up.

Short answer: the MAG A850GL PCIE5 is a fully modular 850W unit built to the ATX 3.0 spec, and we'd recommend it if you want Gold-tier efficiency at this wattage without chasing a flagship price tag.

Efficiency and Build Quality

The MAG A850GL PCIE5 carries an 80 PLUS Gold certification and Cybenetics Gold efficiency / Standard+ noise, built on a CWT platform. Its 120mm rifle bearing keeps noise down.

Connectors and Cabling

You get 1x 24-pin ATX, 1x EPS 4+4, 1x 12V-2x6 (450W), 2x PCIe 6+2-pin, 6x SATA, 3x Molex. Cable lengths run 24-pin 600mm, EPS 650mm, 12V-2x6 600mm, PCIe 600mm, SATA 700mm, and the cables are standard black ribbon/flat, not sleeved. It's rated for a 17ms hold-up time and backed by OCP, OVP, OPP, SCP, OTP, UVP protection circuitry.

Comparison to Alternatives

Compared to the MSI MPG A850G PCIE5, the MAG A850GL PCIE5 lands in the same efficiency tier at a different capacity, so the choice mostly comes down to how much wattage headroom you actually need. It's also worth cross-shopping against the FSP Hydro K PRO 750W if you're weighing Gold-tier options in this wattage class; both land in a similar price bracket, so the deciding factor usually comes down to form factor, cable sleeving, and warranty length.

Specifications

Identity

Brand	MSI
Model Number	MAG A850GL PCIE5

Output and rails

Peak Excursion Wattage	1700 W
Single +12V Rail	Yes

Standards and compliance

Hold-Up Time	17 ms

Connector inventory

EPS 8-pin Connectors	2
SATA Connectors	8
Molex Connectors	4

Form factor and fit

Length	140 mm
Colour	Black

Build quality

MTBF	100000 hours

Cables

Modularity	Fully Modular

Monitoring, protection and price

Protections	OCP, OVP, OPP, OTP, SCP, UVP
Price	99.99 USD
Warranty	5 years

Wattage	850 W
80 PLUS Rating	Gold
ATX Standard	ATX 3.0
Form Factor	ATX
Cybenetics Efficiency	Gold
Cybenetics Noise	Standard+
12V-2x6 Connectors	1
Zero-RPM Mode	No
Sleeved Cables	No
PCIe 8-pin Connectors	4
Connector Count	1x 24-pin ATX, 2x EPS 4+4, 1x 16-pin PCIe 5.0 (600W), 4x PCIe 6+2-pin, 8x SATA, 4x Molex, 1x FDD
Fan Size	120 mm
Fan Model / Bearing	Fluid Dynamic
OEM / Platform	CWT
Cable Lengths	24-pin 600mm, EPS 650mm, 12V-2x6 600mm, PCIe 600mm, SATA 700mm
Source URL	https://www.msi.com/Power-Supply/MAG-A850GL-PCIE5/Specification

Expert Review

Reviewed by Burooj Alam. Rated by us, not by users.

Expert rating8.2 / 10

MAG A850GL is MSI's budget-tier Gold PSU, giving native ATX 3.0 12V-2x6 support at a lower price than the MPG A850G by trimming the warranty to 5 years and dropping the Zero Frozr fan-stop mode.

Best for

High-end single-GPU gaming builds (RTX 4080/4090-class cards)
Builders who want Gold-tier efficiency with future GPU upgrade headroom
Systems that benefit from a native 12V-2x6 cable

Not for

Budget builds where a 550-650W unit would be sufficient
Extreme dual-GPU or workstation rigs needing 1200W+
Buyers who specifically need SFX/SFX-L sizing

FAQs

What are the key specifications of the MSI MAG A850GL PCIE5 (850W/80+ Gold/ATX/Fully Modular/ATX 3.0)?

The MSI MAG A850GL PCIE5 (850W/80+ Gold/ATX/Fully Modular/ATX 3.0) is a power supply from MSI. Key specs: Wattage 850 W, 80 PLUS Rating Gold, Cybenetics Efficiency Gold, Cybenetics Noise Standard+, Modularity Fully Modular.

Will the MSI MAG A850GL PCIE5 (850W/80+ Gold/ATX/Fully Modular/ATX 3.0) work with my current setup?

The MSI MAG A850GL PCIE5 (850W/80+ Gold/ATX/Fully Modular/ATX 3.0) lists Wattage is 850 W. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.

Who is the MSI MAG A850GL PCIE5 (850W/80+ Gold/ATX/Fully Modular/ATX 3.0) best suited to?

It suits high-end single-gpu gaming builds (rtx 4080/4090-class cards), builders who want gold-tier efficiency with future gpu upgrade headroom, systems that benefit from a native 12v-2x6 cable.

What are the drawbacks of the MSI MAG A850GL PCIE5 (850W/80+ Gold/ATX/Fully Modular/ATX 3.0)?

It is a poor fit for budget builds where a 550-650w unit would be sufficient, extreme dual-gpu or workstation rigs needing 1200w+, buyers who specifically need sfx/sfx-l sizing.