MSI MAG A750GL PCIE5 vs Seasonic FOCUS GX-750 ATX 3.1

Researched, not hands-on tested.How we review ›

all judged against power supplies at a similar price

The Seasonic FOCUS GX-750 ATX 3.1 scores 7.3/10 overall, ahead of the MSI MAG A750GL PCIE5 at 6.4/10.

The Seasonic FOCUS GX-750 ATX 3.1 leads on quality and protections, noise and warranty.

They score the same on efficiency and cabling and connectors.

The biggest difference is warranty, where the Seasonic FOCUS GX-750 ATX 3.1 scores 10/10 to the MSI MAG A750GL PCIE5's 7/10.

MSI MAG A750GL PCIE5

6.4/10verdict: good, not the best

The MSI MAG A750GL PCIE5 is for anyone building or upgrading a mid-range gaming or general-purpose PC who wants a fully modular 750W supply with a native 16-pin graphics cable. It suits systems with one mainstream graphics card and a few drives. It is a weaker fit for silent builds or for the most power-hungry graphics cards.

Typically about £79.99 in the UK when we researched itSearch Amazon UK

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Seasonic FOCUS GX-750 ATX 3.1

7.3/10verdict: good, not the best

The Seasonic FOCUS GX-750 ATX 3.1 suits builders who want a fully modular 750 W unit with a modern GPU power connector. It fits compact ATX cases thanks to its 140 mm depth and backs that with a 10-year warranty. It is best for a single-graphics-card desktop or an always-on machine where low standby draw matters.

Typically about £119.99 in the UK when we researched itSearch Amazon UK

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Scores, criterion by criterion

Criterion	Weight	MSI MAG A750GL PCIE5	Seasonic FOCUS GX-750 ATX 3.1
Quality and protections	30%	6/10	7/10
Efficiency	20%	7/10	7/10
Cabling and connectors	20%	7/10	7/10
Noise	15%	5/10	6/10
Warranty	15%	7/10	10/10
Overall		6.4/10	7.3/10

Specifications

Spec	MSI MAG A750GL PCIE5	Seasonic FOCUS GX-750 ATX 3.1
Rated output (W)	750W rated output	750 W
Efficiency rating (80 Plus or Cybenetics)	80 PLUS Gold, up to 90%; Cybenetics Gold icon on MSI product page	80 PLUS Gold; Cybenetics Platinum listed on v5 page
Form factor (ATX or SFX) and ATX 3.x / PCIe 5.x support	ATX, 140 × 150 × 86 mm	ATX/EPS, 140 mm depth
Modular cabling (fully, semi or non-modular)	Fully modular	Fully modular
Graphics card connectors (12V-2x6 / 12VHPWR and PCIe 8-pin count)	1x native 16-pin PCIe 5.x (450W, 12V-2x6 style), 3x PCIe 6+2-pin, 8x SATA, 4x Molex, 1x FDD, 2x EPS 4+4	2× EPS, 2× PCIe 6+2-pin, 1× PCIe 12+4-pin (600 W), 8× SATA on 2 cables, 3× Molex on 1 cable (v4 model); native 12V-2×6 cable (v5)
Fan size and zero-fan mode	120mm fluid dynamic bearing, 500–1800 RPM	135 mm fluid dynamic bearing, Digital Hybrid Fan Control
Warranty (years)	7 years (MSI UK store)	10 years

Strengths and weaknesses

MSI MAG A750GL PCIE5

+ Fully modular with a native 450W 16-pin cable
+ 80 PLUS Gold rating with a seven-year UK warranty
+ Owners describe it as quiet, stable and reliable
− Owners report whine and ticking from the fan at idle
− 750W is tight for RTX 4090 builds, per one owner
− Zero-RPM fan behaviour is reported inconsistently

Skip it if:

Anyone building a silent PC who needs the fan fully off at idle
Buyers planning an RTX 4090 or similarly power-hungry graphics card
Buyers who need a confirmed ATX 3.1 certification

Read the full MSI MAG A750GL PCIE5 review ›

Seasonic FOCUS GX-750 ATX 3.1

+ Ten-year warranty
+ Fully modular with 12+4-pin or 12V-2×6 cable
+ Standby draw measured under 0.06 W
− Only two PCIe 6+2-pin connectors
− One owner found it noisy in normal fan mode
− Connector details differ between v4 and v5 revisions

Skip it if:

Builders planning several graphics cards that each need PCIe 8-pin cables
Buyers who want the quietest possible unit in normal fan mode

Read the full Seasonic FOCUS GX-750 ATX 3.1 review ›

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