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MSI · 1250 W · ATX

MSI MAG 1250GL

ATX 3.1 · 80 PLUS Gold · Modular

Capability
85
Cap / price
45
Wattage value
53
Amazon
$190
MSI MAG 1250GL
View MSI MAG 1250GL Gallery in high resolution
$190
Available on Amazon Updated Aug 30, 2026 Prime FBA
Capability84.9
Capability / price44.8
Wattage value52.7
$190 on Amazon PSU table Compare this PSU

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Written analysis

MSI MAG 1250GL at a glance

The MSI MAG 1250GL is a 1250 W ATX power supply built to the ATX 3.1 generation. Efficiency is listed as 80 PLUS Gold. Cables are modular.

The calculated capability score is 84.9, averaging the available wattage, recorded efficiency percentage, and warranty inputs against fixed references. Listed warranty is 10 years. +12V output is 104 A.

Best fit: Systems whose component power budget calls for a supply rated at 1000 W or more.

Platform and cooling

Dimensions are listed as 150 x 150 x 86 mm . Cooling fan size is 135 mm. The unit uses 1 +12V rail at up to 104.00 A per rail. Certifications include 80 PLUS Gold.

Current value

At $190, price per kilowatt is $151.78. Capability / price is 44.8 and wattage value is 52.7. Compare nearby supplies below; wattage alone does not determine value.

Unit data

Full specifications

Wattage, efficiency, platform size, electrical outputs, connectors, cooling, and value in one technical sheet.

General

Manufacturer
MSI
PSU
MSI MAG 1250GL
Launch price
—
Amazon price
$190
Amazon availability
Available
Price updated
Aug 30, 2026

Power & efficiency

Wattage
1250 W
Efficiency
80 PLUS Gold
Recorded efficiency
90%
Warranty
10 years

Value

Amazon price
$190
Price / kW
$151.78
Capability
84.9
Capability / price
44.8
Wattage value
52.7

Platform & size

ATX generation
3.1
Form factor
ATX
Dimensions
150 x 150 x 86 mm
Modular
Yes
Fanless
No

Electrical

Input voltage
100-240
+12V output
104 A
+5V output
22 A
+3.3V output
22 A
+12V rails
1
Max amps / rail
104.00 A

Cooling & build

Fan size
135 mm
Fan stop
No
Certifications
80 PLUS Gold

Additional information

Also listed as
MAG 1250GL
Color
Black

Amazon

Price history

Nearby capability

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Amazon listing details

Marketplace feature text kept for reference. Structured specifications above are the source for scores and comparisons.

80 PLUS GOLD CERTIFIED

10-year limited warranty, guaranteeing long term reliable operation

Fully modular design

ATX 3.1 & PCIE 5.1 ready

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