Go for the HP ProBook 4540s (B8Z31PA) if you need a laptop that is excellently powerful for business. The absence of any OS may be disappointing but is justified by the host of powerful features such as a powerful optical drive, reliable battery backup and a comfortable anti-glare display.
Display and Build
The HP ProBook 4540s (B8Z31PA) exhibits a 15.6-inch HD LED backlit Anti Glare display with a resolution of 1,366 x 768 pixels and allows you to stare at the screen for long hours without straining your eyes. The anodized aluminium outfit looks extremely classy and has a thickness of 28 mm with a weight of 2.3 kg.
CPU and OS
On the inside, the notebook comes loaded with a 2.5GHz Intel Core i5 processor from the 3rd generation and based on B75 Express chipset. It is supported by a muscular 8GB DDR3 RAM which takes the responsibility for dealing with multiple intensive applications at ease. You can expand it up to 16GB with the SODIMM slots. The integrated Intel HD 4000 GPU handles rich games and videos to the best extent possible. It is devoid of any user friendly OS.
Camera, Storage and Multimedia
The HP ProBook 4540s (B8Z31PA) carries a webcam for video calling and accounts for your storage needs with a 500GB SATA HDD that operates at 7200 rpm to provide quicker response. The stereo speakers running on SRS Premium Sound technology provide brilliant audio quality. The LightScribe SuperMulti DVD Drive having dual layer support allows you to stream any kind of file or app.
Battery and Connectivity
The HP ProBook 4540s (B8Z31PA) is furnished with a 6 cell Li-ion battery promising up to 7 hours of backup. Connectivity features include HDMI out, VGA port, digital media reader, 2 USB 3.0 slots, WLAN, Bluetooth v4.0, 2 USB 2.0 ports and Ethernet port.