The thin, light, tough design of the HP ProBook 440 gives mobile professionals powerful tools to stay productive on the go. Equipped for productivity, this ProBook delivers the performance and security features essential for today's mobile workforce. Help suppress ambient noise including keyboard clicks with HP Noise Cancellation Software. Help make good speakers sound great with the HP Audio Boost. With TPM 2.0 embedded security your critical data has protection with hardware-based encryption keys.