What gauge wire is this?

They're 18AWG. VW-1 80*C 300V 18AWG. Conductor appears silver in color - I'm not sure whether it's nickel coated copper or aluminum. The connector itself will be the "weakest link" in terms of ampacity, if that's the reason for your question. The connector is equivalent to Molex's Mini-Fit Jr spec which is rated at 9A and assuming aluminum conductor with the 80*C insulation the wire should be good for 12ish A.

Will it work with FX 8 core cpus? They require a lot of wattage.

Using one of these extension cables should not have an impact on the power being supplied to the computer. Just remember to use a quality power supply in the computer. We have an EPS version if the motherboard uses that connector. Brian, StarTech.com Support

What gauge wire is this?

They're 18AWG. VW-1 80*C 300V 18AWG. Conductor appears silver in color - I'm not sure whether it's nickel coated copper or aluminum. The connector itself will be the "weakest link" in terms of ampacity, if that's the reason for your question. The connector is equivalent to Molex's Mini-Fit Jr spec which is rated at 9A and assuming aluminum conductor with the 80*C insulation the wire should be good for 12ish A.

can i use two of these next to each other to extend 8 pin to 8 pin? do they fit?

You might be better off just buying an 8 pin cable (http://www.amazon.com/StarTech-com-8-Inch-8-Pin-Extension-EPS8EXT/dp/B000M802RG)

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StarTech.com 8in ATX12V 4 Pin P4 CPU Power Extension Cable - M/F - Power extension cable - 4 pin ATX12V (M) to 4 pin ATX12V (F) - 7.9 in - ATXP4EXT

StarTech.com 8in ATX12V 4 Pin P4 CPU Power Extension Cable - M/F - Power extension cable - 4 pin ATX12V (M) to 4 pin ATX12V (F) - 7.9 in - ATXP4EXT

Product ID: 4993343

Details

Brand
StarTech.com
Connector Type
Atx12v 4 Pin
Item Weight
9.07 g
Item dimensions L x W x H
4.88 x 0.47 x
Material
Covered with

⚡4 Pin ATX12V CPU power connector

🔌8in extension length

🛡️Durable PVC insulation

€ 20.69

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Sold byAmazon BelgiumDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔌 Power up your build with effortless reach and reliability!

BUILT TO LAST - Backed by a lifetime warranty, this extension cable is a long-term upgrade for your PC build.
STREAMLINED SETUP - Plug-and-play design means no tools or technical skills required—get powered up in seconds.
EFFORTLESS POWER REACH - Add 8 inches of flexible extension to your CPU power cable for hassle-free installation.
DURABILITY MEETS SAFETY - PVC insulation protects your connection, delivering reliable power without compromise.
UNIVERSAL COMPATIBILITY - Designed specifically for ATX12V 4 Pin P4 connectors, ensuring seamless fit with your power supply.

The StarTech.com 8in ATX12V 4 Pin P4 CPU Power Extension Cable extends your CPU power connector by 8 inches, providing a flexible and secure connection. Featuring durable PVC insulation and a plug-and-play design, it ensures compatibility with ATX12V power supplies and offers a lifetime warranty for lasting performance.

Specifications

ASIN	B000O7WFHA
Best Sellers Rank	#3,417 in Computer Power Supplies
Brand	StarTech.com
Brand Name	StarTech.com
Cable Type	power
Connector Type	Atx12v 4 Pin P4 Power
Customer Reviews	4.5 out of 5 stars 1,325 Reviews
Global Trade Identification Number	00065030818872
Item Dimensions	4.88 x 0.47 x 8.66 inches
Item Length	8 Inches
Item Weight	0.02 Pounds
Item dimensions L x W x H	4.88 x 0.47 x 8.66 inches
Manufacturer	StarTech.com
Material	Covered with PVC insulation
Material Type	Covered with PVC insulation
Model	ATXP4EXT
Part Number	ATXP4EXT
Recommended Uses For Product	Pc
UPC	863121572999 021112654868 132017909790 021112261257 065030818872 079531905900 132018556245 033584243778 777786304553 601209109350 803982997234
Unit Count	1.0 Count
Warranty Description	Lifetime warranty
Wire Diameter	2.54 Millimeters

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