Fasgear

Fasgear 12V-2x6 Adapter Extension Cable

Name: Fasgear 12V-2x6 Adapter Extension Cable, 12VHPWR, PCIE 5.1, White | 16(12+4)Pin Male to 2x8 Pin Female Extender Cord, 16AWG, For GeForce RTX 4070 Ti
Brand: Fasgear
SKU: B0BWN8BKPX

Status: Fasgear 12V-2x6 Adapter Extension Cable (RTX 4070 Ti graphics card): Unavailable on Amazon as of 2026-10-21 10:14 UTC. Closest in-stock match (same RTX 4070 Ti graphics card): MSI GeForce RTX 4070 Ti GAMING X SLIM 12G…, $1,089.00 on Amazon as of 2026-10-21 12:25 UTC (price may vary). eBay sellers may still list this model new or used.

View Current Price — $1,089.00 🛒 Search eBay for this model

Bottom line: The Fasgear 12V-2x6 Adapter Extension Cable: 16AWG tinned copper wire, heavier gauge than standard 18AWG cords; main trade-off: needs two free 8-pin PCIe feeds from the PSU; using fewer risks damage.

Unavailable on Amazon as of 2026-10-21 10:14 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives with matching specs:

Same RTX 4070 Ti graphics card: MSI GeForce RTX 4070 Ti GAMING X SLIM 12G… — $1,089.00 on Amazon as of 2026-10-21 12:25 UTC (price may vary).

View Current Price — $1,089.00

Same RTX 4070 Ti graphics card: ZOTAC Gaming GeForce RTX 4070 Ti Trinity OC DLSS… — $1,125.99 on Amazon as of 2026-10-20 22:16 UTC (price may vary).

View Current Price — $1,125.99

Same RTX 4070 Ti graphics card: PNY GeForce RTX 4070 Ti 12GB XLR8 Gaming Verto… — $1,149.00 on Amazon as of 2026-10-20 22:16 UTC (price may vary).

View Current Price — $1,149.00

Original listing (currently unavailable) → Compare to similar graphics cards

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-21

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ 16AWG tinned copper wire, heavier gauge than standard 18AWG cords
✓ Rated for up to 600W through the 16-pin (12+4) 12V-2x6 connector
✓ 30cm length vs. the typical 10cm stock adapter for cleaner routing
✓ Includes 4 transparent acrylic cable combs for tidy sleeved runs
✓ Backed by an 18-month Fasgear warranty

Cons

✗ Needs two free 8-pin PCIe feeds from the PSU; using fewer risks damage
✗ Fasgear recommends a 3x8-pin cable instead for RTX 5080 and 5090 cards
✗ Will not fit 12-pin RTX 3090 or 8-pin RTX 4070 cards
✗ White sleeving only in this listing; may stand out in dark-themed builds

Manufacturer description

The Fasgear 12V-2x6 Adapter Extension Cable is a 30cm white sleeved GPU power cable for builds where the stock adapter is too short or too messy. Its 16-pin (12+4) male end plugs into your graphics card. The two 8-pin female ends take two separate 8-pin PCIe power leads from your power supply. It is built to the PCIe 5.1 spec and works with the GeForce RTX 5070, 5070 Ti, 4090, 4080, 4070 Ti and 3090 Ti. The wiring is 16AWG tinned copper, a heavier gauge than standard 18AWG cords, and the tinning helps resist oxidation. The terminals are tinned copper alloy, and Fasgear rates the cable for up…

SpecPicks Verdict

SpecPicks scored Fasgear 12V-2x6 Adapter Extension Cable using a rating × review-volume × price-fit model applied to published specs and reviews across the graphics cards category. Fasgear's graphics cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for graphics cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

Which graphics cards does the Fasgear 12V-2x6 extension cable work with?

Fasgear lists the GeForce RTX 5070, 5070 Ti, 4090, 4080, 4070 Ti, 4070 (16-pin versions) and 3090 Ti. It does not fit cards with a 12-pin or 8-pin power connector, such as the RTX 3090 or 8-pin RTX 4070 models.

Can I use this cable with an RTX 5080 or RTX 5090?

Fasgear recommends a 3x8-pin cable for RTX 5080 and 5090 cards for better stability. This 2x8-pin version is aimed at the RTX 5070, 5070 Ti and the RTX 40-series cards listed above.

How many PSU connectors does this cable need?

It needs two unoccupied 8-pin PCIe power ports on your power supply, one for each 8-pin female end. Fasgear warns that connecting fewer than two can damage your system.

How long is the cable and what gauge wire does it use?

The cable is 30cm long, about three times the length of a typical 10cm stock adapter. It uses 16AWG tinned copper wire and is rated for up to 600W output.

What comes in the box and what is the warranty?

You get one 30cm 16-pin (12+4) to 2x8-pin PCIe 5.1 sleeved extension cable and four transparent acrylic cable combs, packed in a paper box. Fasgear covers it with an 18-month warranty.

Key Features

【Notice before shopping】To order a correct 16pin(12+4) 12v-2x6 adaptor extension cable for your PSU and GPU, we recommend you had better confirm the RTX 5070, 5070 Ti, 4090, 4080, 4070ti, 3090ti GPU's requirement of the output wattage of PSU. If this cable is not suitable for your power supply or you are not sure what to choose, please feel at ease to connect with us. Don't plug and unplug by force. For RTX 5080, 5090 series, it is recommended to use 3x8pin for higher stability.
【RTX 5070, 5070 Ti, 4090 4080 4070ti 3090ti】Fasgear PCIe 5.1 16(12+4)pin male to 2x8 pin female sleeved extension GPU cable is made for GeForce RTX 5070, 5070 Ti, 4090 4080 4070ti 4070 3090ti GPU. That means, this 12V-2x6 cable can extend the length and work well with the original power cable to get stable and reliable performance. 【NOTE】 This 12V-2x6 GPU sleeved extender cable is not fit the GPU with 12pin or 8pin power connector, such as GeForce RTX 3090 and 8pin RTX 4070 GPU
【Up to 600W Output】Fasgear 12V-2x6 PSU extension cable supports up to 600W output. The plug terminals of the graphics card cable are made of alloy copper and tinned material, which can bring stable and higher currents. NOTE: This 12V-2x6 extension cable requires 2 unoccupied 8-pin PCI-e ports on your power supply to properly function. Connecting fewer than two connectors to your power supply may cause system damage.
【Neat and Tidy】Fasgear 30cm 16pin to 2x8 pin GPU riser extension cable, compared with the original 10cm power cable, can make your DIY computer system neat and tidy. With 4 transparent cable comb acrylic clips, it is convenient for you to manage this 12VHPWR sleeved extension cable cord. Thus, this 12VHPWR extension cable can make the appearance of the computer system more beautiful
【16AWG Tinned Copper Wire】Fasgear PCI-e 5.1 extension 12vhpwr cable contains 16AWG tinned copper wire. Compared with the standard 18AWG power cord, this updated 16AWG tinned copper wire can bring stable voltage transmission and higher power output. Meanwhile, this tinned copper can prevent oxidation. As for the 12+4pin connector, 2 of 4 pins are connected with power wires while another 2 pins are GND wires
【What you get】1 Pack 30cm Fasgear 16pin(12+4) to 2x8 pin PCI-e 5.1 12VHPWR sleeved PSU extension cable with 4 cable combs. Packaged in a paper box can be sent as a gift. 18-month warranty and 24 hours customer service. If you have any problems or questions about this 12VHPWR PSU extension cable, please contact us.

Full Specifications

Brand	Fasgear
Color	White
Gauge	16
Model	FG-16PF03
Wattage	600 watts
Cable Type	12V-2x6
Item Shape	Round
Model Name	FG-16PF03
Unit Count	1 Count
Part Number	FG-16P-2X8P(6+2)-524
Connector Type	12vhpwr, 12v 2x6 Cable Gpu Adapter, 16pin Gpu Cable to 2x 8 Pin Pcie Extension, Pci Express
Number of Pins	20
Maximum Voltage	12 volts_of_direct_current
Number of Items	1
Special Feature	12v-2x6 connector (marked with H++), Braided, Come with Cable Combs
Connector Gender	Male-to-Female
Specification Met	Pcie 5.1
Compatible Devices	GeForce RTX 5070, 5070 Ti, 3090 Ti, GeForce RTX 4080, GeForce RTX 4070Ti, GeForce RTX 4090, GeForce RTX 4070 (only for 16pin)
Data Transfer Rate	16 gigabits_per_second
Indoor Outdoor Usage	Indoor, Outdoor
Full listing title	Fasgear 12V-2x6 Adapter Extension Cable, 12VHPWR, PCIE 5.1, White \| 16(12+4)Pin Male to 2x8 Pin Female Extender Cord, 16AWG, For GeForce RTX 4070 Ti 4090 4080 3090ti, 5070 ti Cable

Ready to buy?

Amazon shows no buyable offer for Fasgear 12V-2x6 Adapter Extension Cable at the last check. The closest in-stock match with the same RTX 4070 Ti graphics card is MSI GeForce RTX 4070 Ti GAMING X SLIM 12G…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price — $1,089.00