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Fasgear 16pin GPU Cable to 4x8 Pin Pcie Extension, Black | PCI-e 5.1 12VHPWR Extender Cord, 40cm Sleeved, 12V-2x6 Cable, For GeForce RTX 5090 5080 5070 5070Ti 4090 4080 4070ti 3090Ti
Fasgear

Fasgear 16pin GPU Cable to 4x8 Pin Pcie Extension

Bottom line: The Fasgear 16pin GPU Cable to 4x8 Pin Pcie Extension ($29.99 on Amazon as of 2026-11-07 11:21 UTC): 16AWG tinned copper wire vs standard 18AWG for steadier voltage under load; main trade-off: needs four free 8-pin PCIe ports; fewer risks system damage.

$29.99 on Amazon, checked (price may vary)

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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.

*Price sourced from Amazon.com. Last updated 2026-11-07. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 16AWG tinned copper wire vs standard 18AWG for steadier voltage under load
  • ✓ Rated for the full 600W a 12V-2x6 connector delivers
  • ✓ 40cm length vs the stock 10cm cable for cleaner routing
  • ✓ Ships with 4 acrylic cable combs for tidy runs

Cons

  • ✗ Needs four free 8-pin PCIe ports; fewer risks system damage
  • ✗ Extension only, so you still run the PSU's original cable
  • ✗ Incompatible with 12-pin RTX 3090 and 8-pin RTX 4070 cards
  • ✗ Adds a second connection point at the 12VHPWR plug

SpecPicks Verdict

SpecPicks scored Fasgear 16pin GPU Cable to 4x8 Pin Pcie Extension 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.

Key Features

  • 【Notice before shopping】To order a correct power cable for your PSU and GPU, please make sure your PSU has the PCIE 8Pin ports. And we recommend you had better confirm the RTX 5090 / 5080 / 5070 / 5070Ti / 4090 / 4080 / 3090 Ti GPU's requirement of the output wattage of PSU.If this cable is not suitable for your power supply or you are not sure about your port type, please feel at ease to contact with us. Don't plug and unplug by force
  • 【For RTX 3090Ti, RTX 40 and 50 Series】Fasgear PCIe 5.1 16(12+4)pin male to 4X8 pin female sleeved extension cable is made for GeForce RTX 5090 5080 5070 5070Ti 4090 4080 4070ti 3090Ti GPU. That means, this 12VHPWR PSU cable can extend length and work well with the original power cable to get stable and reliable performance. Note: This GPU sleeved extender cable is not fitted for 12pin GeForce RTX 3090 Series & 8pin RTX 4070 GPU. Only support 12+4pin GPU like RTX 3090Ti, RTX 40 and 50 Series
  • 【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 extension cable requires four unoccupied 8-pin PCI-e ports on your power supply to properly function. Connecting fewer than four connectors to your power supply may cause system damage.
  • 【Neat and Tidy】Fasgear 40cm 4x8 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 sleeved extension cable cord. Thus, this extension cable can make the appearance of the computer system more beautiful. Note: This cable is a 12V-2x6 sleeved extension cable. And it needs to be worked with the original power cable.
  • 【16AWG Tinned Copper Wire】Fasgear 12V-2x6 PCI-e 5.1 extension 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 40cm Fasgear 16pin(12+4) gpu cable adapter to 4x8 pin PCI-e 5.1 12VHPWR sleeved extension cable with 4 cable combs. 18-month warranty and 24 hours customer service. If you have any problems or questions about this PSU extension cable, please connect with us.

Full Specifications

BrandFasgear
ColorBlack
Gauge18
ModelFG-16PF02
Wattage600 watts
Cable Type12VHPWR
Item ShapeRound
Unit Count1 Count
Item Length15.75 inches
Part NumberFG-12VHPWR-515
Connector Type12v-2x6, 16pin(12+4) Male to 4x8pin Female
Number of Pins24
Maximum Voltage12 volts
Number of Items1
Special FeatureBraided, Come with Cable Combs
Connector GenderMale-to-Female
Compatible DevicesGeForce RTX 3090Ti, 4070Ti, 4070(only for 16pin), GeForce RTX 4000 Series GPU, GeForce RTX 4080, GeForce RTX 4090, GeForce RTX 5070, 5070Ti, 5080, 5090
Indoor Outdoor UsageIndoor, Outdoor
Ethernet Cable CategoryCat 8
Recommended Uses For ProductExtend power cable for RTX 3090Ti, 4070Ti, 4070, 4080, 4090, 5070, 5070Ti, 5080, 5090 GPUs
Full listing titleFasgear 16pin GPU Cable to 4x8 Pin Pcie Extension, Black | PCI-e 5.1 12VHPWR Extender Cord, 40cm Sleeved, 12V-2x6 Cable, For GeForce RTX 5090 5080 5070 5070Ti 4090 4080 4070ti 3090Ti

Benchmark data for other graphics cards

Ready to buy?

Fasgear 16pin GPU Cable to 4x8 Pin Pcie Extension, Black | PCI-e 5.1 12VHPWR Extender Cord, 40cm Sleeved, 12V-2x6 Cable, For GeForce RTX 5090 5080 5070 5070Ti 4090 4080 4070ti 3090Ti is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $29.99

*Price sourced from Amazon.com. Last updated 2026-11-07. Price and availability subject to change.

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