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.
Specifications
| Connectivity technology | Wired |
| Host interface | Thunderbolt 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 4 |
| USB Power Delivery | Y |
| 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 | N |
| Combo headphone/mic port | Y |
| Headphone outputs | 1 |
| DC-in jack | Y |
| USB Type-C DisplayPort Alternate Mode | Y |
| Ethernet LAN | Y |
| Ethernet LAN (RJ-45) ports | 1 |
| Ethernet LAN data rates | 10,100,1000,2500 Mbit/s |
| Card reader integrated | Y |
| 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 | Y |
| Cable lock slot type | Kensington |
| Product colour | Anthracite, Black |
| On/off switch | Y |
| LED indicators | Y |
| Plug and Play | Y |
| UASP support | Y |
| Housing material | Aluminium |
| Country of origin | China |
| 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 |
| Windows operating systems supported | Y |
| Mac operating systems supported | Y |
| Width | 200 mm |
| Depth | 75 mm |
| Height | 31 mm |
| Weight | 435 g |
| Quantity per pack | 1 pc(s) |
| Package width | 290 mm |
| Package depth | 92 mm |
| Package height | 158 mm |
| Package weight | 1.33 kg |
| Cables included | DC, Thunderbolt |
| Manual | Y |
| 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 |
