Lenovo ThinkCentre Tiny COM Expansion Card with BTB Connector II

The Lenovo ThinkCentre Tiny COM Expansion Card with BTB Connector II is a dedicated serial port expansion card designed to add legacy RS-232 communication capabilities to Lenovo ThinkCentre Tiny and ThinkStation Tiny series PCs. This internal card connects via a proprietary Board-to-Board (BTB) connector, enabling reliable serial connectivity for industrial control, POS systems, diagnostic tools, and other legacy peripherals.

Advantages

This expansion card provides a seamless way to integrate serial communication into modern compact Tiny PCs without sacrificing performance or space. It supports a single RS-232 serial port via a DB9 male connector (requires optional rear bracket for external access). The card is engineered for easy installation on the internal motherboard slot, ensuring a clean and efficient upgrade path for legacy device support.

Suitable for

• Industrial control systems requiring serial connectivity
• Point-of-sale (POS) systems with legacy peripherals
• Diagnostic tools and test equipment
• Connecting older serial devices to modern Tiny PCs

Key specifications

• Product Type: Serial Port Expansion Card
• Interface Type: BTB (Board-to-Board) Connector
• Port Type: RS-232 Serial
• Number of Ports: 1
• Internal Connector: Proprietary BTB
• External Port Connector: DB9 Male (requires optional rear bracket)
• Compatibility: Lenovo ThinkCentre Tiny Series, ThinkStation Tiny Series
• Compatible Models: ThinkCentre M700, M900, M710q, M910q, M720q, M920q, M90q Gen 2, M70q Gen 2; ThinkStation P320, P330, P340, P350 Tiny
• Manufacturer Part Number (MPN): 01AJ927
• FRU Part Number: 01AJ927
• Form Factor: Custom internal card for Tiny PCs
• Installation Location: Internal motherboard slot
• Required Accessories: Lenovo ThinkCentre Tiny Rear I/O Bracket for Serial Port (e.g., 01AJ928) for external access

Recommendations

This expansion card is ideal for users who need to maintain compatibility with legacy serial devices while leveraging the compact form factor of Lenovo Tiny PCs. Ensure you have the appropriate rear bracket for external port access.