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What is Thunderbolt™ 4?
It is the superset standard that includesUSB4®, DisplayPort™ and PCI Express (PCIe). With Thunderbolt™ 4, a data transfer rate of up to 40 Gbit/s (at 2 m cable length) as well as 32 GB/s PCIe data transfer must be guaranteed, at least one 100 W charging port must be available and wake-up from sleep mode must be possible.

What is the difference between Thunderbolt™ 3 and 4?
Theoretically, a Thunderbolt™ 3 device should be able to do the same as a Thunderbolt™ 4 device. However, compared to version 3, Thunderbolt™ 4 now has to meet much stricter standards to be certified. This includes, among other things, support for two 4K displays or one 8K display.

IB-DK8801-TB4 prevents cyber attacks
This is realised through Virtualisation Technology for Directed I/O (VT-d). It prevents physical DMA attacks by protecting PCIe peripherals from unauthorised access to memory using DMA remapping. Access is thus only allowed to an isolated and allocated memory of a specific device.

Ports & interfaces
Connectivity technology: Wired
Host interface: Thunderbolt 4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: 4
USB Power Delivery (USB PD): Yes
USB Power Delivery revision: 3.0
USB Power Delivery up to: 96 W
HDMI ports quantity: 1
Thunderbolt ports quantity: 3
Thunderbolt 4 ports quantity: 2
Microphone in: No
Combo headphone/mic port: Yes
Headphone outputs: 1
DC-in jack: Yes
USB Type-C DisplayPort Alternate Mode: Yes
Network
Ethernet LAN: Yes
Ethernet LAN (RJ-45) ports: 1
Ethernet LAN data rates: 10,100,1000,2500 Mbit/s
Performance
Card reader integrated: Yes
Compatible memory cards: SD
Data transfer rate: 40 Gbit/s
HD type: 8K Ultra HD
Number of displays supported: 2
Maximum refresh rate: 60 Hz
Cable lock slot: Yes
Cable lock slot type: Kensington
Product colour: Anthracite, Black
On/off switch: Yes
LED indicators: Yes
Plug and Play: Yes
UASP support: Yes
Housing material: Aluminium
Country of origin: China
Power
Power source type: AC
AC input voltage: 100-240 V
AC input frequency: 50 - 60 Hz
Power supply: 135 W
Output voltage: 5 - 20 V
Output current: 6.75 A
Software
Windows operating systems supported: Yes
Mac operating systems supported: Yes
Weight & dimensions
Width: 200 mm
Depth: 75 mm
Height: 31 mm
Weight: 435 g
Packaging data
Quantity per pack: 1 pc(s)
Package width: 290 mm
Package depth: 92 mm
Package height: 158 mm
Package weight: 1.4 kg
Packaging content
Cables included: DC, Thunderbolt
Manual: Yes
Logistics data
Products per master (outer) case: 9 pc(s)
Master (outer) case width: 305 mm
Master (outer) case length: 315 mm
Master (outer) case height: 500 mm
Master (outer) case gross weight: 12.6 kg
Harmonized System (HS) code: 84718000