Network
Ethernet LAN (RJ-45) ports	1
Ethernet LAN data rates	2500 Mbit/s
Ethernet LAN
Operational conditions
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	20 - 95%
Packaging data
Package width	237.8 mm
Package depth	141 mm
Package height	75.8 mm
Package weight	1.26 kg
Performance
Colour name	Eclipse Black
Maximum digital resolution	7680 x 4320 pixels
Number of displays supported	4
Maximum refresh rate	60 Hz
Cable lock slot type	Kensington
Product colour	Black
Certification	FCC/ICES CE KCC RCM BSMI NCC VCCI CB cULus EAC TUV-Mark LoA Ukraine DoC NOM IFT TELEC UKCA FAC DoC VNTA WPC ETA SRRC SDPPI IMDA SIRIM NBTC SUBTEL KVALITET/RATEL MCIT ANRT UCC INACOM CITRA TRA NTC PSRC NCA ARTCI INCM Thunderbolt Cert. EVO
Card reader integrated
Cable lock slot
On/off switch
LED indicators
Ports & interfaces
Connectivity technology	Wired
Host interface	Thunderbolt 4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	4
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	2
USB Power Delivery revision	3.1
USB Power Delivery up to	100 W
HDMI ports quantity	1
HDMI version	2.1
DisplayPorts quantity	2
DisplayPort version	1.4
Thunderbolt ports quantity	2
Thunderbolt 4 ports quantity	2
USB Power Delivery (USB PD)
Microphone in
DC-in jack
USB Type-C DisplayPort Alternate Mode
Power
Power source type	AC
Power supply	135 W
Wireless charging
Software
Windows operating systems supported
Mac operating systems supported
Linux operating systems supported
Weight & dimensions
Width	220 mm
Depth	80 mm
Height	30 mm
Weight	547.5 g

The Lenovo ThinkPad Thunderbolt 4 Smart Dock Gen 2 7500 (manufacturer number 40BE0135EU) is a cable-connected docking station specifically developed for professional work environments. It serves as a central interface for ThinkPad notebooks and enables connection to multiple external devices via a single cable. The docking station supports modern connection standards and offers comprehensive equipment for use in offices, home offices, or hybrid work environments. With its Thunderbolt 4 interface and power delivery of up to 100 W via USB Power Delivery (PD 3.1), it is designed for simultaneous power supply and data transfer to the notebook and external devices.

Applications

The docking station is designed for users requiring a fast and stable transition between mobile and stationary work environments. It is particularly suitable for employees who frequently switch between notebook and a fixed workstation, as it enables connection to multiple monitors, networks, peripheral devices, and power supply via a single cable. Support for up to four displays, including a maximum resolution of 7680 x 4320 pixels (8K) via an HDMI 2.1 port or dual 4K @ 144 Hz via DisplayPort 1.4, makes it a powerful solution for visually demanding tasks. The integrated 2.5 Gbit/s Ethernet-LAN interface (RJ-45) ensures fast and reliable network connectivity, sufficient even for demanding applications.

Functions and Equipment in Detail

The docking station features a total of six USB ports: four USB-A 3.2 Gen 2 ports (two with continuous power supply, each 12 W, and two additional ports with 5 W) as well as two USB-C 3.2 Gen 2 ports (each 15 W). These allow connection of external storage devices, keyboards, mice, printers, and other USB peripherals. Two Thunderbolt 4 ports provide a fully functional connection, enabling data transfer, video output, and power delivery over a single cable. An integrated DC power connector supplies power to the notebook. The docking station supports USB Type-C DisplayPort Alternate Mode, enabling DisplayPort video transmission over USB-C ports.

Technology Explained Simply

The Thunderbolt 4 technology offers a maximum data transfer rate of 40 Gbit/s and enables simultaneous data transfer, video output, and power delivery over a single cable. The USB Power Delivery (PD) 3.1 technology ensures efficient power delivery up to 100 W, sufficient to power modern notebooks and additional devices. The HDMI 2.1 interface supports resolutions up to 8K @ 60 Hz, while the DisplayPort 1.4 ports enable up to 4K @ 144 Hz. The 2.5 Gbit/s Ethernet-LAN interface offers significantly higher bandwidth than conventional Gigabit LAN ports and is suitable for networks with high data traffic. The docking station includes a cable lock slot (Kensington) to ensure physical security of the device.

Compatibility and Accessories

The docking station is compatible with Windows 10 and higher versions, macOS Sequoia, and macOS Sonoma. It also supports Linux operating systems. Connection is made via an integrated 1 m Thunderbolt 4 cable, which connects directly to the notebook. Power supply is provided by an external 135 W power adapter, included in the delivery scope. The docking station is designed for professional environments and supports functions such as Wake-on-LAN (WOL), PXE boot, and MAC Address Pass-Through on ThinkPad notebooks. The Lenovo Accessories Fleet Manager (LAFM) cloud platform enables IT administrators to centrally manage and monitor docking stations, including firmware updates and diagnostic functions.

Installation and Mounting

Installation is performed by connecting the integrated Thunderbolt 4 cable to the notebook and then connecting external devices to the corresponding ports on the docking station. Power supply is via the included 135 W power adapter. The docking station is compact in size (220 mm width, 80 mm depth, 30 mm height) and can be conveniently placed on a desk. The ports are clearly labeled, making setup easy even for less technically experienced users.

Operational Advantages

The docking station reduces the number of required cables and enables a fast, reliable connection between notebook and workstation. Support for up to four displays and the high bandwidth of the interfaces ensure an efficient work environment. The integrated power delivery of up to 100 W via USB PD 3.1 allows simultaneous use of notebook and peripheral devices without additional power sources. Central management via the LAFM platform simplifies IT administration in companies. The docking station is finished in Eclipse Black and features a power switch as well as LED indicators for operational status. Operating conditions include a temperature range of 0 to 40 °C and relative humidity of 20 to 95 %, enabling use in typical office and home office environments. The docking station is equipped with various certifications, including FCC/ICES, CE, KCC, RCM, BSMI, NCC, VCCI, CB, cULus, EAC, TUV-Mark, LoA, Ukraine DoC, NOM, IFT, TELEC, UKCA, FAC DoC, VNTA, WPC ETA, SRRC, SDPPI, IMDA, SIRIM, NBTC, SUBTEL, KVALITET/RATEL, MCIT, ANRT, UCC, INACOM, CITRA, TRA, NTC, PSRC, NCA, ARTCI, INCM, Thunderbolt Cert. and EVO.