Key Specifications 
Brand & Model: Lenovo ThinkCentre M900
Form Factor: Mini Desktop / Tiny
Processor: 6th Generation Intel Core i5
Memory: 8GB DDR4 RAM
Storage: 320GB (or 500GB) HDD
Graphics: Integrated Intel HD Graphics
Ports: Multiple USB ports, DisplayPort, VGA, Gigabit Ethernet
Security: TPM 2.0
Features and Benefits
Compact Design: The "Mini" or "Tiny" form factor is ideal for environments with limited space, allowing it to sit on a desk or be mounted. 
Performance: The 6th Gen Intel Core i5 processor provides good performance for everyday business and home applications. 
Reliability: ThinkCentre PCs are known for their robust build quality and durability. 
Connectivity: A variety of ports are available for connecting peripherals and displays. 
Business-Class: Includes features such as a Trusted Platform Module (TPM) for enhanced security.