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Corsair · 1200 W · ATX

CORSAIR HX1200i

ATX 3.0 · 80 PLUS Platinum · Modular

Capability: 85
Cap / price: 28
Wattage value: 32
Amazon: $300

View CORSAIR HX1200i Gallery in high resolution

Available on Amazon Updated Aug 30, 2026 Prime FBA

Capability85.0

Capability / price28.3

Wattage value32.0

$300 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

CORSAIR HX1200i at a glance

The CORSAIR HX1200i is a 1200 W ATX power supply built to the ATX 3.0 generation. Efficiency is listed as 80 PLUS Platinum. Cables are modular. It supports fan-stop at low load.

The calculated capability score is 85.0, averaging the available wattage, recorded efficiency percentage, and warranty inputs against fixed references. Listed warranty is 10 years. +12V output is 100 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 200mm(L) x 150mm(W) x 86mm(H). Cooling fan size is 140 mm. The unit uses 1 +12V rail at up to 100.00 A per rail. Certifications include 80 PLUS® Platinum.

Current value

At $300, price per kilowatt is $249.99. Capability / price is 28.3 and wattage value is 32.0. 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: Corsair
PSU: CORSAIR HX1200i
Launch price: —
Amazon price: $300
Amazon availability: Available
Price updated: Aug 30, 2026

Power & efficiency

Wattage: 1200 W
Efficiency: 80 PLUS Platinum
Recorded efficiency: 93%
Warranty: 10 years

Value

Amazon price: $300
Price / kW: $249.99
Capability: 85.0
Capability / price: 28.3
Wattage value: 32.0

Platform & size

ATX generation: 3.0
Form factor: ATX
Dimensions: 200mm(L) x 150mm(W) x 86mm(H)
Modular: Yes
Fanless: No

Electrical

Input voltage: 100-240
+12V output: 100 A
+5V output: 25 A
+3.3V output: 25 A
+12V rails: 1
Max amps / rail: 100.00 A

Cooling & build

Fan size: 140 mm
Fan stop: Yes
Certifications: 80 PLUS® Platinum

Additional information

Also listed as: HX1200i
Color: Black

Amazon

Price history

Nearby capability

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Thermaltake Thermaltake Toughpower PF3 ATX 3.0 1200W 80+ Platinum 1200 W · ATX · Modular

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Cooler Master Cooler Master MWE Gold 1250 V2 1250 W · ATX · Modular

84.9

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MSI MSI MAG 1250GL 1250 W · ATX · Modular

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MSI MSI MPG A1250GS 1250 W · ATX · Modular

84.9

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ASUS ASUS ROG Thor 1000W Platinum II 1200 W · ATX · Modular

85.0

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Corsair CORSAIR HX1200i This PSU

85.0

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$300

ASUS ASUS ROG Strix 1200W Platinum 1200 W · ATX · Modular

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be quiet! be quiet! Straight Power 12 1200W 1200 W · ATX · Modular

85.0

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be quiet! be quiet! Pure Power 13 M 1200W 1200 W · ATX · Modular

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Vendor copy

Amazon listing details

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

Fully Modular Cabling: Connect only the cables your system needs, making clean and tidy builds easy

Intel ATX 3.1 Certified: Compliant with the ATX 3.1 power standard, supporting the PCIe Gen 5 platform and resisting transient power spikes

140mm Fluid Dynamic Bearing (FDB) Fan: Delivers extremely quiet and long-lasting fan performance

Powerful CORSAIR iCUE Software: Create custom fan curves, monitor power settings, and toggle between single to multi-rail overcurrent protection (OCP) on-the-fly

Zero RPM Fan Mode: At low and medium loads the cooling fan switches off entirely for near-silent operation

CORSAIR HX1200i at a glance

Platform and cooling

Current value

General

Power & efficiency

Value

Platform & size

Electrical

Cooling & build

Additional information

Price history

Similar PSUs

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