Gigabyte Adds Support For PCIe 4.0 in Some x470 And B450 boards Through Latest Bios

Ryzen’s 3000 series release is just around the corner and we are getting more details every day. Ryzen 3000 series will launch with the new x570 boards which will bring some exclusive features.

X570 Boards

The Ryzen 3000 series will continue to be on the AM4 chipset which is great news for people who already own an AM4 board. But it doesn’t hurt to upgrade as there can be compatibility issues and missing out on some core features brought on by a new platform. x470 boards with Ryzen 2000 series chips brought support for Precision Boost Overdrive and XFR 2.0. Ryzen 3000 series chips with x570 boards will bring support for PCIe 4.0“.  

Although we have stated in many of our previous articles that some x470 boards will get bios updates which will enable PCle 4.0 when paired with Ryzen 3000 series chips. This was also confirmed by TomsHardware who stated “We spoke with AMD representatives, who confirmed that 300- and 400-series AM4 motherboards can support PCIe 4.0. AMD will not lock the out feature, instead, it will be up to motherboard vendors to validate and qualify the faster standard on its motherboards on a case-by-case basis. Motherboard vendors that do support the feature will enable it through BIOS updates, but those updates will come at the discretion of the vendor. As mentioned below, support could be limited to slots based upon board, switch, and mux layouts.

Gigabyte Pushes BIOS Update For enabling PCle 4.0 support

Gigabyte has added support for PCle 4.0 in their latest F40 BIOS update. This was first noticed by this redditor here, and reported by Tomshardware. We also updated the bios on our X470 Gaming 7 WiFi board and saw the additional PCle Slot Configuration option showing Gen 4 among other listed options. Some users using B450 boards also confirmed seeing the Gen 4 option, so it seems, for now, PCle 4.0 isn’t exclusive to X470 boards.

There will be some limitations as the higher signaling rates will only be available for the first x16 port on the last gen motherboards. Rest of the lanes will still be on PCle 3.0. Many of the leaked x570 boards have active cooling on their PCH, this is reportedly due to the extra heat generated by higher signaling rates in PCle 4.0. This is something all x470 boards lack and it isn’t clear at the moment how this issue will be mitigated. Probably limited lane support on x470 boards keep temps in check.

AMD is all set for a reveal in Computex which is at the end of this month, so most compatible boards should start receiving PCIe 4.0 support through bios updates.

Indranil Chowdhury
Indranil is a Med school student and an avid gamer. He puts his absolute faith in Lord Gaben and loves to write. Crazy about the Witcher lore, he plays soccer too. When not playing games or writing, you can find him on 9gag spreading the Pcmasterrace propaganda.

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Gigabyte Adds Support For PCIe 4.0 in Some x470 And B450 boards Through Latest Bios

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