The flexible PC for demanding business
The all new modern ultra-slim design of the HP ProBook 645 delivers efficiently powerful performance, enterprise-grade security and manageability and flexible configuration options.
Modern design, efficient performance, enterprise security and manageability, plus flexibility all come standard on the HP ProBook 645.


Windows 10 Pro 64
AMD® Ryzen™ APU processor
AMD Ryzenâ„¢ 5 2500U APU with Radeonâ„¢ Vega Graphics (2 GHz base frequency, up to 3.6 GHz burst frequency, 6 MB cache, 4 cores)6,7
Windows 10 Pro 64
HP Driver Packs; HP System Software Manager (SSM); HP BIOS Config Utility (BCU); HP Client Catalog; HP Manageability Integration Kit Gen2; Ivanti Management Suite
Absolute persistence module; HP BIOSphere Gen4; HP DriveLock and Automatic DriveLock; HP Password Manager; HP Secure Erase; Microsoft Security Defender; Power-on authentication; Preboot authentication; TPM 2.0 embedded security chip shipped with Windows 10 (Common Criteria EAL4+ Certified); HP Sure Click; HP SureStart Gen4; HP Wireless Wakeup; HP Client Security Gen4; RAID configurations
8 GB DDR4-2400 SDRAM (1 x 8 GB)
2 SODIMM
256 GB PCIe® NVMe™ SSD
Integrated Graphic
AMD Radeonâ„¢ Vega Graphics
1 USB 3.1 Type-Câ„¢ (charging); 3 USB 3.1 Gen 1 (1 charging); 1 HDMI 1.4; 1 RJ-45; 1 VGA; 1 headphone/microphone combo; 1 AC power; 1 docking connector(Cables are not included.)
1 microSD
720p HD camera
HD audio, dual speakers, dual array microphone
Clickpad with multi-touch gesture support, taps enabled as default
HP Advanced Keyboard, Spill-resistant with drain, optional DuraKeys and backlit
Intel® I219-LM GbE, vPro™
Intel® Dual Band Wireless-AC 8265 802.11a/b/g/n/ac (2x2) Wi-Fi® and Bluetooth® 4.2 Combo, non-vPro™
65 W external AC power adapter
3-cell, 48 Wh Li-ion
ENERGY STAR® certified
34 x 24 x 2.09 cm
Starting at 1.73 kg
Buy Office; HP 3D DriveGuard; HP ePrint Driver + JetAdvantage; HP Hotkey Support; HP JumpStart; HP LAN Protection; HP MAC Add