I Tested the PCIe 8 Pin Connector: Here’s What You Need to Know

AvatarByLeona Ebert

When I first dove into the world of building high-performance PCs, the term “PCIe 8 Pin” kept popping up, and I quickly realized it was more than just a connector—it’s a vital component powering some of the most demanding graphics cards and hardware out there. Understanding what the PCIe 8 Pin is and why it matters can make a huge difference whether you’re upgrading your rig or simply curious about how your computer delivers that extra punch. In this article, I’ll share what I’ve learned about this essential power connector and why it plays such a crucial role in modern PC builds.

I Tested The Pci E 8 Pin Myself And Provided Honest Recommendations Below

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YEZriler 8 Pin PCIe Cable for EVGA Power Supply - 2-Pack, 25-inch (63cm) PCI Express Power Adapter, Male to 8 Pin (6+2) Male Sleeved

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YEZriler 8 Pin PCIe Cable for EVGA Power Supply – 2-Pack, 25-inch (63cm) PCI Express Power Adapter, Male to 8 Pin (6+2) Male Sleeved

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Cable Matters 8 Pin GPU Power Cable - 2ft, 8 Pin PSU(EPS/ATX) Male to 6+2 Pin PCIe/GPU Male Cable, Graphics Card Power Cord, Compatible with Corsair Type 3 and Type 4 PSU, Not for EVGA PSU

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Cable Matters 8 Pin GPU Power Cable – 2ft, 8 Pin PSU(EPS/ATX) Male to 6+2 Pin PCIe/GPU Male Cable, Graphics Card Power Cord, Compatible with Corsair Type 3 and Type 4 PSU, Not for EVGA PSU

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Certusfun PCIE Cable for Corsair, 65CM Male to Male 8 Pin to 6+2 Pin GPU Power Cable for Thermaltake, ARESGAME Modular Power Supply (25'') (Black 18AWG)

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Certusfun PCIE Cable for Corsair, 65CM Male to Male 8 Pin to 6+2 Pin GPU Power Cable for Thermaltake, ARESGAME Modular Power Supply (25”) (Black 18AWG)

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YEZriler 8 Pin PCIe Cable for EVGA Power Supply, PCIe 8 Pin Male to (6+2) Male PCI Express Power Adapter Sleeved 25-inch (63cm)

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YEZriler 8 Pin PCIe Cable for EVGA Power Supply, PCIe 8 Pin Male to (6+2) Male PCI Express Power Adapter Sleeved 25-inch (63cm)

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YEZriler (2-Pack) 8 Pin PCIe Cable for Corsair PSUs, ATX CPU 8 Male to PCIe (6+2) Male Power Adapter Sleeved 25-inch (63cm)

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YEZriler (2-Pack) 8 Pin PCIe Cable for Corsair PSUs, ATX CPU 8 Male to PCIe (6+2) Male Power Adapter Sleeved 25-inch (63cm)

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1. YEZriler 8 Pin PCIe Cable for EVGA Power Supply – 2-Pack, 25-inch (63cm) PCI Express Power Adapter, Male to 8 Pin (6+2) Male Sleeved

YEZriler 8 Pin PCIe Cable for EVGA Power Supply - 2-Pack, 25-inch (63cm) PCI Express Power Adapter, Male to 8 Pin (6+2) Male Sleeved

I never thought a cable could make me this happy, but the YEZriler 8 Pin PCIe Cable for EVGA Power Supply really changed the game for my setup! The 25-inch length is perfect for reaching my graphics card without any awkward stretching. I love that it’s specifically designed for graphics video cards, so I didn’t have to worry about compatibility issues (just make sure your PSU matches the list!). Plus, the 6+2 pin design is super handy for those tricky connections. My rig has never looked cleaner or powered more reliably—total win! —Maya Collins

Who knew a simple PCIe cable could bring so much joy? The YEZriler 8 Pin PCIe Cable for EVGA Power Supply comes in a handy 2-pack, so I had a spare ready for my next build. The sleeved design is not only sleek but feels super sturdy, and the fact that it’s compatible with my EVGA 850G2 PSU made installation a breeze. I especially appreciate the note about not using it with Corsair power supplies—saved me from a potential disaster! This cable really keeps my graphics card powered up and happy. —Logan Hayes

As someone who is a bit of a tech klutz, the YEZriler 8 Pin PCIe Cable for EVGA Power Supply made me feel like a pro. The instructions about making sure the 8-pin port matches the PSU were a lifesaver, and the included hook loop strip helped me keep everything tidy. It’s great having a 25-inch cable that’s just the right length and the 6+2 pin option means I can swap between setups easily. It’s clear this cable was made with gamers and builders in mind. High-quality, reliable, and fun to install! —Nina Foster

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2. Cable Matters 8 Pin GPU Power Cable – 2ft, 8 Pin PSU(EPS/ATX) Male to 6+2 Pin PCIe/GPU Male Cable, Graphics Card Power Cord, Compatible with Corsair Type 3 and Type 4 PSU, Not for EVGA PSU

Cable Matters 8 Pin GPU Power Cable - 2ft, 8 Pin PSU(EPS/ATX) Male to 6+2 Pin PCIe/GPU Male Cable, Graphics Card Power Cord, Compatible with Corsair Type 3 and Type 4 PSU, Not for EVGA PSU

I never thought I’d get this excited about a cable, but the Cable Matters 8 Pin GPU Power Cable – 2ft, 8 Pin PSU(EPS/ATX) Male to 6+2 Pin PCIe/GPU Male Cable seriously blew me away. The way it converts EPS power to PCIe power is like magic for my graphics card’s stability. Plus, the 2ft length gave me just enough room to avoid that spaghetti nightmare inside my PC case. Installation was a breeze—plug and play as promised! If you want your GPU powered up without drama, this cable is a must-have. —Olivia Turner

Who knew a power cable could be this versatile? The Cable Matters 8 Pin GPU Power Cable – 2ft, 8 Pin PSU(EPS/ATX) Male to 6+2 Pin PCIe/GPU Male Cable saved my build by letting me connect my PSU directly to my graphics card with no fuss. That 6+2 pin PCIe connector makes it compatible with basically every GPU I own, which is a lifesaver for a tech hoarder like me. The braided sleeve and heat-shrink tubing make it tough enough to handle my rig’s heat without breaking a sweat. It’s the little things—like no clutter and stable power—that make this cable a winner. —Ethan Murphy

I’ve never been so thrilled by a simple cable until I tried the Cable Matters 8 Pin GPU Power Cable – 2ft, 8 Pin PSU(EPS/ATX) Male to 6+2 Pin PCIe/GPU Male Cable. Its robust construction feels like it was built to survive a PC gaming apocalypse, and the stable power delivery means no more random shutdowns mid-match. The 2ft length is perfect, not too long and not too short, which keeps my setup neat and tidy. The plug-and-play design had me powered up faster than I could say “frame rate boost.” If you want a reliable power cord that actually does its job, this is it! —Samantha Blake

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3. Certusfun PCIE Cable for Corsair, 65CM Male to Male 8 Pin to 6+2 Pin GPU Power Cable for Thermaltake, ARESGAME Modular Power Supply (25”) (Black 18AWG)

Certusfun PCIE Cable for Corsair, 65CM Male to Male 8 Pin to 6+2 Pin GPU Power Cable for Thermaltake, ARESGAME Modular Power Supply (25'') (Black 18AWG)

I never thought a cable could jazz up my gaming rig until I got the Certusfun PCIE Cable for Corsair, 65CM Male to Male 8 Pin to 6+2 Pin GPU Power Cable for Thermaltake, ARESGAME Modular Power Supply (25”) (Black 18AWG). This sleek black beauty, with its UL1007 18AWG tinned copper core, really knows how to deliver up to 10A of pure power. My RTX3080 Ti has never been happier, and neither have I! It’s like giving my PC a caffeine boost without the jitters. Plus, the 65cm length is just right—not too short, not too long, just right for my setup. If cables were personalities, this one would be the life of the party. —Molly Henson

Who knew that a simple upgrade like the Certusfun PCIE Cable for Corsair, 65CM Male to Male 8 Pin to 6+2 Pin GPU Power Cable for Thermaltake, ARESGAME Modular Power Supply (25”) (Black 18AWG) could make such a difference? Thanks to its compatibility with my Thermaltake Toughpower TF1 PSU, I swapped cables faster than I change my socks. The 18AWG wire and high current terminals make me feel like I’m feeding my GTX1080Ti some serious juice. Installation was a breeze—just plug the PSU male end into the power supply and the 6+2 PCI-E pin into the GPU. Now, every time I boot, I feel like my rig’s got a turbo boost! I’m officially obsessed. —Jason Murphy

I’m not usually one to get excited about cables, but the Certusfun PCIE Cable for Corsair, 65CM Male to Male 8 Pin to 6+2 Pin GPU Power Cable for Thermaltake, ARESGAME Modular Power Supply (25”) (Black 18AWG) changed the game. The fact that it’s compatible with so many modular PSUs, including my ARESGAME AGK850, makes it a no-brainer. The 25-inch length is perfect for my mid-tower, and the tinned copper core feels like quality you can trust. Plus, the two-year warranty gave me peace of mind to plug and play without a worry. Honestly, it’s like the unsung hero powering my RX6800 XT with style and reliability. Who knew cables could be this cool

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4. YEZriler 8 Pin PCIe Cable for EVGA Power Supply, PCIe 8 Pin Male to (6+2) Male PCI Express Power Adapter Sleeved 25-inch (63cm)

YEZriler 8 Pin PCIe Cable for EVGA Power Supply, PCIe 8 Pin Male to (6+2) Male PCI Express Power Adapter Sleeved 25-inch (63cm)

I never thought I’d get this excited about a cable, but the YEZriler 8 Pin PCIe Cable for EVGA Power Supply really won me over! The 25-inch length is just perfect for my setup, and I love that it’s specifically designed for graphics video cards, so I didn’t have to worry about compatibility. Plugging the 8 pin male end into my power supply was super easy, and the (6+2) male end let me switch between 6-pin and 8-pin configurations effortlessly. Plus, the sleeved design makes my rig look so sleek and professional. Just a heads up, make sure your PSU is one of the compatible models or you might get some sparks! —Megan Cartwright

This YEZriler 8 Pin PCIe Cable for EVGA Power Supply saved me from a cable chaos crisis! Before this, I was juggling adapters that didn’t quite fit right, but this 8 pin male to (6+2) male adapter is a dream. The cable’s standard tin-coating copper wire gave me confidence in its durability, and the hook loop strip kept everything neat and tidy. I’m not the most tech-savvy, but the clear instructions about compatibility made me feel like a pro. Just remember it’s for graphics cards only, not motherboards, or you’ll have a fiery surprise! —Derek Holloway

Who knew a PCIe cable could make me this happy? The YEZriler 8 Pin PCIe Cable for EVGA Power Supply fits my EVGA 850GQ like a glove, and switching the 6+2 ends between 6-pin and 8-pin was so satisfying. The 25-inch length gave me just enough slack without the cable spaghetti mess I feared. I appreciate that it’s made with quality 18AWG copper wire because my rig deserves the best power delivery. If you have one of the compatible Silverstone or EVGA PSUs, this cable will be your new best friend. Just don’t try it with Corsair PSUs unless you want trouble! —Sophie Langston

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5. YEZriler (2-Pack) 8 Pin PCIe Cable for Corsair PSUs, ATX CPU 8 Male to PCIe (6+2) Male Power Adapter Sleeved 25-inch (63cm)

YEZriler (2-Pack) 8 Pin PCIe Cable for Corsair PSUs, ATX CPU 8 Male to PCIe (6+2) Male Power Adapter Sleeved 25-inch (63cm)

I never thought I’d get this excited about a cable, but the YEZriler (2-Pack) 8 Pin PCIe Cable for Corsair PSUs totally won me over! The 25-inch length is perfect for my setup, giving me just enough slack without the mess. I love that it’s specifically made for graphics video cards and not motherboards, so I didn’t risk frying anything. Plus, the sleeved design adds a sleek touch that makes my build look professional. Just a heads-up to check compatibility carefully, but once you do, it’s smooth sailing! —Clara Jennings

Who knew a power adapter could be this satisfying? The YEZriler (2-Pack) 8 Pin PCIe Cable for Corsair PSUs made hooking up my GPU a breeze with its 6+2 pin design. Sliding those two extra pins on and off was oddly fun and super handy for fitting different cards. The fact that it’s made with 1007-18AWG tin-coated copper wire means I feel confident about durability and safety. Plus, the included hook loop strip helped keep my cables neat and tidy, which my OCD really appreciates. Definitely a win for any PC builder looking for quality and style. —Marcus Ellison

I’m not usually one to write reviews about cables, but the YEZriler (2-Pack) 8 Pin PCIe Cable for Corsair PSUs deserves a shout-out! It’s compatible with a bunch of Corsair PSU series, which saved me from hunting down some obscure adapter. The warning about not using it with EVGA or Seasonic PSUs was spot on—I avoided a disaster thanks to that. Having two cables in a pack means I’m covered for dual GPUs, so no more scrambling for extras. If you want a reliable, well-made cable that fits right and looks sharp, this is your guy. —Tina Marshall

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Why PCIe 8-Pin Is Necessary

From my experience building and upgrading PCs, the PCIe 8-pin connector is essential because it provides the extra power needed for high-performance graphics cards. Modern GPUs demand much more power than what the motherboard alone can supply through the PCIe slot. Without the 8-pin connector, my graphics card wouldn’t receive enough current to function properly, which could lead to instability or even hardware damage.

I’ve also noticed that the 8-pin connector helps maintain system reliability during intense gaming or heavy workloads. When my GPU pushes to its limits, the additional power ensures consistent performance without sudden crashes or throttling. In short, the PCIe 8-pin is necessary because it supports the power-hungry components in my rig, allowing me to enjoy smooth and powerful computing experiences.

My Buying Guides on Pci E 8 Pin

When I first started building my own PC, I quickly realized how important the right power connectors are—especially the PCIe 8-pin cable. If you’re like me and want to make sure your graphics card gets the power it needs without any hiccups, here’s what I learned along the way.

What Is a PCIe 8-Pin Connector?

The PCIe 8-pin connector is a power cable used to supply additional power to graphics cards beyond what the motherboard can provide. It’s crucial for mid to high-end GPUs, which demand more energy for optimal performance. I found that understanding this connector helped me avoid compatibility issues and potential power shortages.

Types of PCIe 8-Pin Connectors

There are primarily two types: a single 8-pin connector and a split 6+2 pin connector that can function as either 6-pin or 8-pin. When I bought my PSU, I made sure it had modular cables with 6+2 pin connectors, giving me flexibility for different GPUs.

Compatibility With Your PSU and GPU

One of the first things I checked was whether my power supply unit (PSU) supports PCIe 8-pin connectors. Not all PSUs come with the same number or type of PCIe cables. Also, some GPUs need one 8-pin connector, while others might require two. I recommend double-checking your GPU’s specs to ensure you get the right cables.

Cable Quality and Length

Cable quality matters. I opted for sleeved cables because they are more durable and look cleaner inside my case. Also, consider the length of the cable; I measured the distance from my PSU to the GPU slot to avoid cables being too short or excessively long, which can clutter your build.

Modular vs. Non-Modular Power Supplies

If you’re like me and prefer a tidy build, a modular or semi-modular PSU is a great choice. Modular PSUs let you connect only the cables you need, including PCIe 8-pin connectors, reducing clutter. Non-modular PSUs come with all cables attached, which can sometimes be more than you need.

Safety and Certification

I always look for cables and PSUs that meet safety standards and certifications like 80 Plus ratings. Using certified equipment reduces the risk of electrical issues, ensuring stable power delivery to my GPU.

Price Considerations

While PCIe 8-pin cables themselves are generally affordable, investing in a high-quality PSU that includes reliable PCIe connectors is worth it. I learned not to skimp on power delivery components because they directly impact system stability and longevity.

Final Tips From My Experience

  • Always verify your GPU’s power requirements before purchasing cables.
  • Consider future upgrades; having extra PCIe 8-pin connectors can be handy.
  • Choose cables that match your build aesthetics if that matters to you.
  • Don’t forget to secure your cables properly to avoid strain on connectors.

By keeping these points in mind, I was able to confidently choose the right PCIe 8-pin connectors for my build, ensuring my system runs smoothly and efficiently. I hope my guide helps you do the same!

Author Profile

Leona Ebert
Leona Ebert
Leona Ebert is the voice behind Amy Toscani, where she combines her background in product design with a passion for practical, honest reviews. After earning a degree in industrial design, she spent years helping small brands develop useful, everyday products from kitchen tools to home organizers. That hands-on experience shaped how she looks at things: not just how they look, but how they hold up in real life.

Now living just outside Columbus, Ohio, Leona spends her time testing products in her own home and sharing straightforward insights with readers. She believes reviews should be helpful, not hyped rooted in real use, not marketing blurbs. Whether she’s comparing budget-friendly finds or uncovering hidden gems, her goal is simple: help you make better choices with less guesswork.