5700XT Graphics card is running at PCI-Express x4 v2.0 when gpu-z says it supports PCI-Express x16 4.0 : r/AMDHelp
Gigabyte Radeon RX 5700 XT 8G Graphics Card, PCIe 4.0, 8GB 256-Bit GDDR6, PCI-E 4.0 x 16, DisplayPort 1.4 *3 HDMI 2.0b *1 | GV-R57XT-8GD-B Buy, Best Price in Russia, Moscow, Saint Petersburg
Radeon RX 5700 XT GAMING X
Office Depot
Amazon.com: Gigabyte ASUS AMD Radeon RX 5700 XT PCIe 4.0 VR Ready Graphics Card with 8GB GDDR6 Memory and Support for up to 6 Monitors (RX5700XT-8G) : Electronics
PCIe 4.0 vs 3.0 vs 2.0 (Gaming) ft. RX 5700 XT & Ryzen 9 3900X - YouTube