Design
Product colour	Green
Purpose	PC
Certification	FCC,CE,CB
Internal
Operational conditions
Operating temperature (T-T)	0 - 50 °C
Operating relative humidity (H-H)	0 - 90%
Other features
Compatibility	ThinkCentre Tiny
Packaging data
Package width	132 mm
Package depth	136 mm
Package height	36 mm
Package weight	80 g
Package type	Box
Ports & interfaces
Host interface	BTB
Host interface gender	Male
Output interface	DisplayPort
System requirements
Windows operating systems supported	Windows 11
Weight & dimensions
Width	39.5 mm
Depth	31.7 mm
Height	1.6 mm
Weight	14.1 g

The Lenovo ACCS with manufacturer number 4XH1K25075 is an interface card for use in ThinkCentre Tiny computers. It serves as an expansion card to integrate an additional DisplayPort connection within the system. The card is built-in and features a BTB host interface with male gender, which is directly inserted into the computer. The output is a DisplayPort port, used for connecting to external monitors or screens. The card is finished in green and complies with standards for PC accessories. It is certified for use with Windows 11 and meets the certifications FCC, CE and CB, confirming compliance with electromagnetic and safety requirements.

Applications

The card is specifically designed for use in ThinkCentre Tiny models that have limited connection options. It enables the expansion of connectivity, especially when an additional DisplayPort connection is required to connect external screens or projectors. The card is suitable for use in office environments or workstations where multiple screens are connected via DisplayPort. The low profile height of 1.6 mm and compact dimensions of 39.5 mm width and 31.7 mm depth allow for easy installation in the designated slot.

Functions and Equipment in Detail

The card features a BTB host interface, enabling a direct connection to the ThinkCentre Tiny motherboard. The male configuration of the host interface ensures a secure and stable connection. The DisplayPort output enables the transmission of video signals with high resolution and color accuracy. The card is designed for operation in a temperature range of 0 to 50 °C and can be operated at a relative humidity of 0 to 90 %, making it suitable for use in normal indoor environments. The weight specification of 14.1 g highlights the low mass of the component, allowing installation without additional fastening elements.

Technology Explained Simply

The BTB interface (Board-to-Board) is a specialized connection technology used for connecting internal components in compact computers. It enables stable and reliable data transmission between the motherboard and the expansion card. The DisplayPort standard supports the transmission of video signals at high resolutions and can also transmit audio. The card is designed to receive signals directly from the motherboard and pass them to the external connection, without requiring additional power supply or external drivers.

Compatibility and Accessories

The card is specifically developed for the ThinkCentre Tiny series and can only be used in models that feature the corresponding BTB socket. Compatibility is limited to ThinkCentre Tiny models, as stated by the manufacturer. The card is certified for operation under Windows 11, ensuring driver support and system compatibility.

Installation and Mounting

Installation is performed by inserting the card into the designated BTB socket inside the ThinkCentre Tiny. The card is built-in and is not mounted on the rear of the device, but inside the housing. The low profile height and compact shape facilitate installation without requiring additional tools or fastening elements. The card is designed for use in a closed system and does not require additional connections or power supply.

Operational Advantages

The card enables expansion of connectivity options in compact ThinkCentre Tiny systems without requiring additional external adapters or USB video adapters. The direct connection via the BTB interface ensures stable and reliable signal transmission. The low profile height and low weight reduce system load. Certification according to FCC, CE and CB ensures compliance with international standards and enables use in various markets.