The HP ProBook 640 G4 is a laptop that is part of HP's ProBook series, designed for business and professional use. Here are the specifications for the HP ProBook 640 G4:

Processor Options:

• 8th generation Intel Core processors (e.g., Core i5, Core i7)

Memory:

• Up to 32 GB DDR4 RAM

Storage Options:

• Hard Drive: Up to 1TB SATA HDD
• Solid State Drive (SSD): Up to 1TB PCIe NVMe SSD

Display:

• 14-inch diagonal display
• Various resolution options, including Full HD (1920 x 1080)

Graphics:

• Integrated Intel UHD Graphics 620

Ports and Connectivity:

• USB 3.1 Type-C
• USB 3.0 Type-A
• USB 2.0 Type-A
• HDMI
• VGA
• Ethernet port
• Audio jack
• SD Card reader

Wireless:

• Wi-Fi 802.11ac or 802.11ax (Wi-Fi 6)
• Bluetooth connectivity

Operating System:

• Windows 10 Pro (Other options might be available depending on the configuration)

Security:

• HP Sure Start Gen4 (BIOS security)
• HP BIOSphere Gen4 (firmware-level security)
• Fingerprint reader (optional)
• TPM 2.0 (Trusted Platform Module)

Battery:

• Battery life may vary based on configuration and usage, but typically several hours of usage.

Dimensions and Weight:

• Dimensions: Varies based on configuration
• Weight: Varies based on configuration

Additional Features:

• HD Webcam
• Spill-resistant keyboard
• Optional backlit keyboard
• Integrated stereo speakers
• Audio by Bang & Olufsen

Please note that specific configurations and availability may vary depending on the region and the time of purchase. It's always a good idea to refer to contact our customer support for the most up-to-date and accurate information about the product.