No Thunderbolt 4/USB4 speeds on a ASRock Z690

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   Hi! I just bought ASRock Z690 Phantom Gaming-ITX/TB4 motherboard. It's advertised as supporting USB4/TB4, but it never worked. I connect enclosures to USB-C port and  they all demonstrate really poor speeds, like 500Mb/s write. Same enclosure shows 3,000Mb/s writes on other computers, even on a 4 year old one. All drivers are updated. Windows 10, latest updates installed.

Can you please help?

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asf Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 13 Jan 2025 Status: Offline Points: 35	Post Options Post Reply Quote asf Report Post Thanks(0) Quote Reply Topic: No Thunderbolt 4/USB4 speeds on a ASRock Z690 Posted: 8 hours 28 minutes ago at 10:14am
	Hi! I just bought ASRock Z690 Phantom Gaming-ITX/TB4 motherboard. It's advertised as supporting USB4/TB4, but it never worked. I connect enclosures to USB-C port and they all demonstrate really poor speeds, like 500Mb/s write. Same enclosure shows 3,000Mb/s writes on other computers, even on a 4 year old one. All drivers are updated. Windows 10, latest updates installed. Can you please help?