AMD's Radeon RX 6600 XT Will Likely Be Capped At PCIe 4.0 x8

Radeon RX 6600 XT constant clock configuration

AMD Radeon RX 6500 XT Limited To PCIe 4.0 x4 Interface

AMD RX 6600 Review ft. ASUS and Gigabyte

The ROG Strix Radeon RX 6600 XT amps Full HD frame rates to meet the demands of the latest high-speed displays. Dual Axial-tech fans efficiently blast air through a large heatsink to keep the GPU chilled, and top-shelf capacitors, chokes, and MOSFETs deliver the perfect amount of clean power. A host of creature comforts, including a Dual BIOS switch, 0dB mode, and metal backplate up the ante to make this beast the ideal choice for your next gaming rig.

Asus ROG Strix Radeon RX 6600 XT 8GB GDDR6 Graphics Card

Is my motherboard limiting my GPU? I know 3.0 x16 is the same speed as 4.0 x8, but in GPU-Z I see @ 3.0 x8, even if the bandwidth is at max

GIGABYTE AMD Radeon RX 6600 XT GAMING OC 8GB GDDR6 PCI Express 4.0 Gaming Graphics Card GV-R66XTGAMING OC-8GD - Best Buy

Best Buy: XFX SPEEDSTER QICK308 AMD Radeon RX 6600 XT 8GB GDDR6 PCI Express 4.0 Gaming Graphics Card Black RX-66XT8LBDQ

AMD Radeon RX 6600 XT PCI-Express Scaling, Page 3

Stuck at PCI-E Gen2 - Republic of Gamers Forum - 919547