Earlier today, Gigabyte unveiled its first Thunderbolt 5 add-in card, the Gigabyte Thunderbolt 5, which uses an Intel JHL9580 Thunderbolt 5 controller over the PCIe 4.0 x4 interface. It features three Mini-DisplayPort ports and two standard USB Type-C ports that are compliant with the Thunderbolt 5 specification. The add-in card also bundles three Mini DisplayPort cables and three internal header cables (two Thunderbolt header cables and one USB 2.0 header cable).
By default, Thunderbolt 5 operates at up to 80 Gigabits per second, twice the speed of Thunderbolt 4 and USB 4. However, in select scenarios, particularly when connected to external displays, Thunderbolt 5 can also boost bandwidth up to 120 gigabits per second. Gigabyte advertises support for daisy-chaining up to 10 devices (5 devices per main USB-C port) and the USB-PD (Power Delivery) 3.1 standard with up to 100 watts per port.
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