Only 2 8-pin pcie is connected to the 12vhpwr connector. since an 8-pin pcie is only rated for 150w, how then can it deliver 600w as advertised?

Indeed, 150W is the upper limit for output according to PCIe standards. However, the power supply manufacturers themselves have been able to double their power output by more than 300 W for a few years now, and I hear the Corsair is around 374W (over 400W at its instantaneous=spike peak). This means that if you have 2 PCIe power supply connectors, 600 W output is more than enough.

Tried buying directly from corsair, but they can't ship to my address. will this work with the rm850x (2021) and the 4070 ti?

It was unfortunate that you could not purchase from the direct sales site. According to the corsair "PSU CABLE COMPATIBILITY" page, your RM850x PSU with a 4070 Ti graphics card should work.

Is this compatible with a antec psu (hcg 1000) ? it seems like the pinouts match?

Yes it will work as long as as you have 2 8 pin pci pin slots available for it.

Does this work with a rm1000x and a tuf 4080?

Yes this will work I had my 12vwpr cable plugged into my rm850 and I also have a TUF 4080

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Corsair Premium 600W PCIe 5.0 / Gen 5 12VHPWR PSU Cable - Fits Type-4 PSUs via Dual 8-pin PCIe - 12+4pin Connector - Mesh Paracord Sleeving - Black

Corsair Premium 600W PCIe 5.0 / Gen 5 12VHPWR PSU Cable - Fits Type-4 PSUs via Dual 8-pin PCIe - 12+4pin Connector - Mesh Paracord Sleeving - Black

Product ID: 508398957

Details

Brand
Corsair
Cable type
AUX
Compatible devices
PCIe 5.0/Gen 5
Connector type
12+4pin PCIe 5
Special features
Heat Resistant

⚡600W max power delivery

🔌Direct 12+4pin PCIe Gen 5 connection

🖤Premium triple-layer mesh sleeving

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3465 ден

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Description

⚡ Power your future-proof rig with style and precision!

POWER UP NEXT GEN GP US WITH EASE - Supports up to 600W TDP for the latest PCIe 5.0 graphics cards, no adapters needed.
BUILT TO LAST UNDER HEAT STRESS - Heat-resistant materials ensure durability and stable power delivery during intense gaming or workloads.
UNIVERSAL TYPE 4 PSU COMPATIBILITY - Fits all CORSAIR Type-4 power supplies via dual 8-pin PCIe connectors for seamless integration.
SLEEK PROFESSIONAL CABLE AESTHETICS - Individually sleeved with flexible triple-layer mesh paracord for a clean, high-end build look.
EFFORTLESS INSTALLATION CABLE MANAGEMENT - Pre-installed with adjustable cable combs to keep your setup tidy and showcase your rig.

The Corsair Premium 600W PCIe 5.0 Gen 5 12VHPWR PSU Cable is engineered to deliver stable, high-wattage power directly from Type-4 Corsair PSUs to the latest PCIe 5.0 graphics cards. Featuring a flexible, triple-layer mesh paracord sleeve and adjustable cable combs, it combines durability with a sleek, professional look—perfect for millennial pros who demand both performance and aesthetics in their custom builds.

Specifications

ASIN	B0BLY1B362
Best Sellers Rank	#23,872 in Electronics ( See Top 100 in Electronics ) #133 in Computer Power Supplies #43,405 in Electronics Accessories & Supplies
Brand	Corsair
Brand Name	Corsair
Cable Type	AUX
Cable type	AUX
Color	black
Compatible Devices	PCIe 5.0/Gen 5 graphics cards with 12+4 pin connector
Compatible Phone Models	No Compatible Phone Models
Compatible devices	PCIe 5.0/Gen 5 graphics cards with 12+4 pin connector
Compatible phone models	No Compatible Phone Models
Connectivity Technology	Auxiliary
Connector Gender	Male-to-Male
Connector Type	12+4pin PCIe Gen 5 Type-4
Connector type	12+4pin PCIe Gen 5 Type-4
Customer Package Type	coiled in protective tubing or sealed anti-static bag
Customer Reviews	4.6 out of 5 stars 1,154 Reviews
Data Transfer Rate	12 Gigabits Per Second
Ethernet Cable Category	Cat 8
Included Components	Premium Individually Sleeved 12+4pin PCIe Gen 5 Type-4 600W 12VHPWR Cable
Indoor Outdoor Usage	Indoor
Item Length	6 Feet
Item Shape	Round
Item Weight	0.29 Pounds
Manufacturer	Corsair
Maximum Voltage	12 Volts
Model	CP-8920331
Model Name	CP-8920331
Number of Items	1
Number of Pins	16
Other Special Features of the Product	Heat Resistant
Outer Material	Mesh/Fabric
Part Number	CP-8920331
Recommended Uses For Product	Powering PCIe 5.0 graphics cards
Special features	Heat Resistant
Specification Met	UL
UPC	840006694519
Unit Count	1 Count
Wattage	600 watts

Reviews

A**W

Great replacement cable from the manufacturer not a copy

25.10.2024

J**T

Premium kabel voor NVIDIA kaarten

Goede kabel voor mijn RTX 4080. Premium kwaliteit.

10.11.2025

P**R

Corsair Premium 600 W PCIe 5.0/Gen 5 12 VHPWR PSU-kabel

Helt enligt beskrivning

24.01.2026

M**D

Brilliant! Works in my older Corsair HX750i with a 5070 ti!

8.12.2025

S**H

Corsair Kalitesi daima.

İşimi gördü. Teşekkürler.

15.10.2025

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