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Holiday Shipping Details & Extended Holiday Returns 
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ASUS ThunderboltEX 4 with Intel Thunderbolt 4 JHL 8540 Controller, 2 USB Type-C ports, up to 40Gb/s Bi-directional Bandwidth and Incorporates DisplayPort 1.4 support, up to 100W Quick Charge
- Type: PCI Express to Thunderbolt
- External USB Ports: 2 x USB Type-C (Support Thunderbolt 4 and USB 4 technology)
- External Ports: 2 x mini DisplayPort IN ports
- Compatibility: ASUS Intel 500 series and later models with 14-1 pin Thunderbolt header. *Refer to ASUS official website for an up-to-date list of compatible models
- Model #: THUNDERBOLTEX 4
- $172.41 –
- More options from $172.41 - $280.49
- $10.99 Shipping
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MSI THUNDERBOLTM4 8K PCIe 3.0x4 Add-on Card for 2 Thunderbolt 4 (USB-C) Ports
- Type: PCI Express to Thunderbolt
- External Ports: 2 x Thunderbolt™ 4 ports (USB-C) 2 x DisplayPort input ports 1 x 16-pin TBT header 1 x USB 2.0 header
- Model #: THUNDERBOLTM4 8K
- $116.99 –
- More options from $115.99 - $138.97
- Free Shipping
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StarTech.com TB31PCIEX16 Thunderbolt 3 PCIe Expansion Chassis - Thunderbolt 3 to 16 x PCIe - Aluminum - PCIe SSD - External PCIe Enclosure - PCIe Slot
- Type: Thunderbolt 3 to PCIe x16 and DisplayPort
- External Ports: 2 x Thunderbolt 3 USB-C (24-pin) Female 1 x DisplayPort (20 pin) Female
- Internal Ports: 1 x PCI Express x16 Female
- Data Transfer Rate: Up to 40 Gbps (Thunderbolt 3)
- Model #: TB31PCIEX16
- $503.99 –
- More options from $436.55 - $503.99
- $11.31 Shipping
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- Type: PCI Express to Thunderbolt
- External Ports: 2 x Thunderbolt™ 4 ports (USB-C) 2 x DisplayPort input ports 1 x 16-pin TBT header 1 x USB 2.0 header
- Model #: THUNDERBOLTM4 8K
- $79.99 –
- $4.99 Shipping
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Virtual Display Adapter DP DisplayPort Dummy Plug Headless Ghost Emulator Connector XXM8
- Model #: DZ-ZHT-081-DP
- $29.99 –
- Free Shipping
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ASUS ThunderboltEX 3-TR Expansion Card for Z490 (Intel 10th Gen CPUs) Motherboard (PCIe 3.0 x4 Interface, 2 x Thunderbolt 3 USB Type-C Ports with 100w USB Quick Charge, 2 x Mini DisplayPort in Ports)
- Color: Black
- Gender: Male
- Age: Adult
- Model #: ThunderboltEX 3-TR
- $369.99 –
- $29.99 Shipping
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- Type: PCI Express to USB Card
- External Ports: 1 x 9 pin TB header
- Internal Ports: PCI Express 3.0 x4 (compatible with PCI Express x16/x8/x4 slots)
- Operating Systems Supported: Windows 10 Windows 8.1 64-bit Windows 8 64-bit Windows 7 32-bit Windows 7 64-bit
- Model #: B-ASUS ThunderboltEX 3
- $359.99 –
- $29.99 Shipping
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- Type: PCI Express to Thunderbolt
- External Ports: 2 x Thunderbolt 3 port (type C) 1 x 5 pin TB header 2 x DisplayPort input ports
- Specifications: Chipset: Intel Thunderbolt 3 controller Interface: PCIe 3.0 x4 Capabilities: Supports Display Port 1.2 with max. 4K x 2K @60/24 Hz Accessories: 1 x TB header cable
- Thunderbolt 3: Yes
- Model #: ThunderboltM3
- $399.98 –
- $29.99 Shipping
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- Model #: 938540152388-2
- $222.60 –
- Free Shipping
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ATI FirePro V7900 2GB DDR5 4x DisplayPort PCI-Express Video Card
- Model #: 961008586241-2
- $278.60 –
- Free Shipping
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- Type: Mini PCI Express to PCI Express
- Model #: 538384488706-1
- $1,080.00 –
- Free Shipping