The ASUS ThunderboltEX 4 is a Thunderbolt 4 expansion card that offers 40 Gbps bidirectional bandwidth, USB 4 device compatibility, and DisplayPort 1.4 functionality. It supports up to five Thunderbolt devices in a chain and enables up to 100-watt USB-C charging for laptops.

• Intel-certified Thunderbolt 4 add-in card
• 40 Gbps bidirectional bandwidth for ultra-fast data transfer and video output
• DisplayPort 1.4 8K Ultra HD support

Technical Specifications:

• Chipset: Intel Thunderbolt 4 JHL8540 Controller
• External Connections:
  2 x USB Type-C (Thunderbolt 4 and USB 4 compatible)
  – Up to 40 Gbps bandwidth for Thunderbolt devices
  – TypeC_1 supports up to 20V/5A, 100W fast charging
  – TypeC_2 supports up to 9V/3A, 27W fast charging
  2 x Mini DisplayPort IN
  1 x 6-pin PCIe power connector for fast charging functionality
  1 x USB 2.0 pins
  1 x Thunderbolt pins
• Bus: PCIe 3.0 x4
• VGA: Supports DisplayPort 1.4, max resolution 7680 x 4320 @ 60 Hz
• Included Accessories:
  – 2 x miniDisplayPort to DisplayPort cable
  – 1 x 14-1 pin Thunderbolt header cable
  – 1 x USB 2.0 cable
  – 1 x User manual
  – 1 x DVD with Thunderbolt driver
• Compatibility: Windows 10 – 64 bit, ASUS Intel 500 and newer motherboards with 14-1 pin Thunderbolt headers (check compatibility on the manufacturer’s website)
• Dimensions: 11.77 cm x 18.05 cm