HP ProBook 645 G2 Notebook:

1. Versatile Performance:
   • The HP ProBook 645 G2 is a reliable workhorse, powered by an AMD Elite Quad-Core A8-5550M APU (2.1 GHz, 4 MB cache).
   • Whether you’re crunching numbers, creating presentations, or managing databases, this notebook delivers consistent performance.
2. Operating System Options:
   • Choose from various operating systems, including Windows 10 Pro 64, Windows 8.1 Pro 64, and Windows 7 Professional 64 (available through downgrade rights).
   • Ubuntu Linux and FreeDOS 2.0 are also available for customization.
3. Display and Visuals:
   • The 14.0-inch LED-backlit HD anti-glare display (1366 x 768) ensures comfortable viewing in various lighting conditions.
   • Options include a camera-equipped display and a Full HD variant for enhanced clarity.
4. Storage and Drives:
   • The ProBook 645 G2 supports SATA 3, 7 mm 2.5-inch hard drives.
   • Choose from various storage options, including 500 GB HDDs, self-encrypting drives, and hybrid M.2 solid-state drives.
5. Security Features:
   • Protect your data with features like a spill-resistant keyboard, smart card reader, and Trusted Platform Module (TPM).
   • The optional fingerprint reader adds an extra layer of security.
6. Connectivity and Ports:
   • With USB ports, VGA, and DisplayPort, this notebook ensures seamless connectivity to external devices and displays.
   • Stay productive with the right mix of ports for your needs.

In summary, the HP ProBook 645 G2 strikes a balance between performance, security, and connectivity. Whether you’re a business professional or a student, this notebook caters to your computing requirements. Keep in mind that this information is based on reviews and specifications available at the time of its release.