Just installed in a new system. When I hit the power button on the motherboard the CORSAIR HX1200 PSU just "clicks on for a few seconds, clicks off, clicks on for a few seconds, clicks off". It is on just long enough for the CPU and GPU cans to start turning. Is this DOA?

Make sure you also have the additional 4 or 8 pin connected on mother board, for CPU. Don't use older or other manufacturer cables on this psu, some modular cables have different pin out. Those are most common things that cause this issue. Less common on hook your ssd, some ssd have thin shell and close tolerance to internal parts, have seen them ground out. Without more information that's my best guess for right now hope it helps

How many PCIE cables come with the 1200w model?

The full cable breakdown is listed under the Specs tab. In this case, "4 x 2 x PCIe Cable (6+2)" to answer your question. This means, 4 cables with 2 connectors each, for a total of 8 connectors. Each connector is the (6+2) style which means it can be used as either 6-pin or 8-pin.

How many PCIE cables come with the 1200w model?

I'm too lazy to remember the number of cables. But you'll have enough cables at the end, and some more than necessary, don't worry about it.

What cables can I purchase to have additional cables? I need compatible 8pin to dual 8pin etc

These power supplies are pretty limited, suggest contacting corsair. I had to use a million adapters to get the connections I needed. By the way periodically check cable temps at power supply, have several friends have these melt down.good luck

GIGABYTE Gaming Radeon RX 9060 XT 16GB GDDR6 PCI Express 5.0 x16 ATX Graphics Card GV-R9060XTGAMING OC-16GD RX 9060XT

(149)

$459^.99 –

$599^.00

Free 30-day Returns

Limit 99999 per customer.

Ships from Taiwan.

Sold by MengYuanDianZi

4.1 (15 seller ratings)

Shipped by MengYuanDianZi

Price alert

Add to Wish List

Meet Your Seller

MengYuanDianZi

See Seller Store

Get Educated

Make informed decisions with expert advice. Learn More

CORSAIR HX Series HX1200 CP-9020140-NA 1200 W ATX12V v2.4 / EPS12V 2.92 80 PLUS PLATINUM Certified Full Modular Power Supply

(724)(9) Write a Review

Options: ATX 80+ Platinum (1200W) HX Series

ATX 80+ Platinum (850W) HXi Series
ATX 80+ Platinum (850W) HX Series 140mm Fan
ATX 80+ Platinum (850W) HX Series 135mm Fan
ATX 80+ Platinum (750W) HXi Series
ATX 80+ Platinum (750W) HX Series
ATX 80+ Platinum (1200W) HXi Series
ATX 80+ Platinum (1200W) HX Series
ATX 80+ Platinum (1000W) HXi Series
ATX 80+ Platinum (1000W) HX Series

ATX12V v2.4 / EPS12V 2.92
Full Modular
80 PLUS PLATINUM Certified
100 - 240 V 47 - 63 Hz
Single +12V Rail Mode: +3.3V@30A, +5V@30A, +12V@100A, [email protected], [email protected]

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Overview

Specs

Reviews (724)

See all Q & A

Any questions? Our AI beta will help you find out quickly.

Try me now

MAIN OVERVIEW FEATURES: Efficiency: 90%Number of Fans: 1Modular: YesInput Voltage: 120 V AC,230 V ACNumber of +12V Rails: 8Output Voltage: 3.3 V DC @ 30 A,5 V DC @ 30 A,12 V DC @ 40 A,- 12 V DC @ 800 mA,5 V DC @ 3.50 AOutput Power: 1.20 kWForm Factor: InternalHeight: 3.39" (86 mm)Width: 5.91" (150 mm)Depth: 7.87" (200 mm)Weight (Approximate): 2.30 kgPackage Contents: HX Series HX1200 - 1200 Watt 80 PLUS Platinum Certified Fully Modular PSU Power Cord Mounting Screws Cable Ties Case Badge User Manual Environmentally Friendly: YesEnvironmental Certification: WEEE,80 Plus Platinum,REACH,China RoHS,T?V,RoHSLimited Warranty: 10 Year

General
Brand	CORSAIR
Series	HX Series HX1200
Model	CP-9020140-NA

Details
Type	ATX12V v2.4 / EPS12V 2.92
Maximum Power	1200 W
Fans	1 x 135mm fluid dynamic bearing fan
Main Connector	24Pin
+12V Rails	Single +12V Rail or Multi +12V Rail Mode
PCI-Express Connector	8 x 6+2-Pin
SATA Power Connector	8
Haswell Support	Yes
Max PSU Length	200 mm
Modular	Full Modular
Energy-Efficient	80 PLUS PLATINUM Certified
Over Voltage Protection	Yes
Input Voltage	100 - 240 V
Input Frequency Range	47 - 63 Hz
Input Current	15 - 7.5 A
Output	Single +12V Rail Mode: +3.3V@30A, +5V@30A, +12V@100A, [email protected], [email protected] Multiple +12V Rail Mode: +3.3V@30A, +5V@30A, +12V1@40A, +12V2@40A, +12V3@40A, +12V4@40A, +12V5@40A, +12V6@40A, +12V7@40A, +12V8@40A, [email protected], +5VSB@3A
Approvals	FCC, ICES, CE, UL, cUL, RCM, TUV, CB, CCC, BSMI, EAC, RoHS, WEEE, KC
Connectors	1 x 24-pin ATX Cable 2 x 1 x EPS12V/ATX12V Cable (4+4) 4 x 2 x PCIe Cable (6+2) 5 x 4 x SATA Cable (4 Connectors) 2 x 4 x PATA Cable (4 connectors)

Features
Features	Active PFC with full range AC input (100-240 VAC) 135mm fluid dynamic bearing fan with Zero RPM mode Engineered to meet maximum power output at a 50 degree C temperature rating. Compatible with the latest ATX12V v2.4 and EPS 2.92 standards and is backward compatible with ATX12V 2.2, 2.31 and older systems. Over-voltage protection, under-voltage protection, short circuit protection, over power protection, and over temperature protection provide maximum safety to your critical system components.

Dimension & Weight
Dimensions	3.39" x 5.91" x 7.87"
Weight	5.07 lbs.

Additional Information
First Listed on Newegg	February 15, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
Read full details
CONTACT

Return Policies

Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by MengYuanDianZi Return Policy

Manufacturer Contact Info

For a directory of all our manufacturers, please click below.
Manufacturers Directory

Meet Your Seller

Sponsored Products

CORSAIR HX Series HX1200 CP-9020140-NA 1200 W ATX12V v2.4 / EPS12V 2.92 80 PLUS PLATINUM Certified Full Modular Power Supply

Learn more about the Corsair CP-9020140-NA

Customer Reviews of the Corsair CP-9020140-NA

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Item#: 9SIC5BHKST3989

Meet Your Seller

Sponsored Products

CORSAIR HX Series HX1200 CP-9020140-NA 1200 W ATX12V v2.4 / EPS12V 2.92 80 PLUS PLATINUM Certified Full Modular Power Supply

Learn more about the Corsair CP-9020140-NA

Customer Reviews of the Corsair CP-9020140-NA

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info