Blog

Build PC Log in Register

Compute Processors & graphics

Compare the hardware that determines system and gaming performance.

CPU comparison GPU comparison Graphics cards

Foundation Core components

Choose compatible components for a responsive, balanced system.

Motherboards RAM memory NVMe SSDs

System Power, cooling & chassis

Complete the build with reliable power, thermals, and physical compatibility.

Power supplies PC cases CPU coolers Monitors

Build intelligently Start with your priorities

Assemble a compatible system and see how every selection affects performance and value.

Open PC Builder Search the database

Performance lab Understand the numbers

Explore normalized benchmark data, value scores, and side-by-side rankings.

Explore performance charts

CPU Processor charts

Application, gaming, combined, and value-focused CPU rankings.

Performance charts Price/performance Full CPU table

GPU Graphics charts

Compare 1080p, 1440p, and 4K performance across GPU generations.

GPU bar charts Full GPU table Retail cards

Learn Guides & methodology

Learn how PCSpecChart evaluates components and how to use each tool.

User guides About PCSpecChart Contact

MSI · 1300 W · ATX

MSI MEG Ai1300P

ATX 3.1 · 80 PLUS Platinum · Modular

Capability: 92
Cap / price: 26
Wattage value: 30
Amazon: $350

View MSI MEG Ai1300P Gallery in high resolution

$350

Available on Amazon Updated Aug 30, 2026 Prime FBA

Capability92.2

Capability / price26.3

Wattage value29.7

$350 on Amazon PSU table Compare this PSU

Size this PSU for a complete buildThe Builder unlocks PSU choices after it knows the CPU, GPU, case format, and estimated demand. Calculate build power first

Written analysis

MSI MEG Ai1300P at a glance

The MSI MEG Ai1300P is a 1300 W ATX power supply built to the ATX 3.1 generation. Efficiency is listed as 80 PLUS Platinum. Cables are modular. It supports fan-stop at low load.

The calculated capability score is 92.2, averaging the available wattage, recorded efficiency percentage, and warranty inputs against fixed references. Listed warranty is 12 years. +12V output is 103 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 160 x 150 x 86 mm . Cooling fan size is 120 mm. The unit uses 1 +12V rail at up to 103.00 A per rail. Certifications include 80 PLUS® Platinum.

Current value

At $350, price per kilowatt is $269.22. Capability / price is 26.3 and wattage value is 29.7. 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 MEG Ai1300P
Launch price: —
Amazon price: $350
Amazon availability: Available
Price updated: Aug 30, 2026

Power & efficiency

Wattage: 1300 W
Efficiency: 80 PLUS Platinum
Recorded efficiency: 92%
Warranty: 12 years

Value

Amazon price: $350
Price / kW: $269.22
Capability: 92.2
Capability / price: 26.3
Wattage value: 29.7

Platform & size

ATX generation: 3.1
Form factor: ATX
Dimensions: 160 x 150 x 86 mm
Modular: Yes
Fanless: No

Electrical

Input voltage: 100-240
+12V output: 103 A
+5V output: 25 A
+3.3V output: 25 A
+12V rails: 1
Max amps / rail: 103.00 A

Cooling & build

Fan size: 120 mm
Fan stop: Yes
Certifications: 80 PLUS® Platinum

Additional information

Also listed as: MEG Ai1300P

Amazon

Price history

Nearby capability

Similar PSUs

Power supplies close to MSI MEG Ai1300P on calculated capability. Open the PSU table to sort, filter, and compare side by side.

Seasonic Seasonic VERTEX GX-1200 1200 W · ATX · Modular

89.5

52.6

56.5

$170

Seasonic Seasonic Vertex PX-1200 1200 W · ATX · Modular

90.2

28.2

30.0

$320

Corsair Corsair HX1500i 1500 W · ATX · Modular

91.1

26.0

34.3

$350

NZXT NZXT C1500 Platinum ATX 3.1 1500 W · ATX · Modular

91.1

27.6

36.4

$330

be quiet! be quiet! Straight Power 12 1500W 1500 W · ATX · Modular

91.1

32.8

43.2

$278

Cooler Master Cooler Master X Silent Edge Platinum 850 Fanless 850 W · ATX · Modular

91.5

14.5

10.8

$631

MSI MSI MEG Ai1300P This PSU

92.2

26.3

29.7

$350

Seasonic Seasonic Prime TX-1300 1300 W · ATX · Modular

92.9

23.2

26.0

$400

Thermaltake Thermaltake Toughpower GF3 1650W 1650 W · ATX · Modular

93.0

30.1

42.7

$309

Compare these in the PSU table

Discussion

Comments on MSI MEG Ai1300P

No comments yet.

Vendor copy

Amazon listing details

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

Supports Nvidia GeForce RTX 40 Series graphics cards

80 PLUS Platinum certified for high efficiency

100% all Japanese 105oC capacitor

PCIe 5.0 & ATX 3.0 Supported

MSI MEG Ai1300P at a glance

Platform and cooling

Current value

General

Power & efficiency

Value

Platform & size

Electrical

Cooling & build

Additional information

Price history

Similar PSUs

Comments on MSI MEG Ai1300P

Amazon listing details

Your privacy choice