The new 23-inch diagonal HP Pro One 400 G1 23 All-in-One (Ai O) meets your business needs with style, performance, & security helping your business flourish while minimizing the total cost of ownership. This system is preinstalled with Windows 7 Professional software & also comes with a license & media for Windows 8.1 Pro software. You may only use one version of the Windows software at a time. Switching between versions will require you to uninstall one version & install the other version. You must back up all data (files, photos, etc.) before uninstalling & installing operating systems to avoid loss of your data. Processor Intel Core™ i 3-4150T with Intel HD Graphics 4400 (3 GHz, 3 MB cache, 2 cores) Intel H81 Express Memory 4GB 1600 MHz DDR3 SDRAM (1 x 4 GB) 2 SODIMM Hard Drive 500 GB 7200 rpm SATA Optical Drive Slim SATA Super Multi DVD writer Software Operating System: Windows 7 Professional 64 (available through downgrade rights from Windows 8.1 Pro) HP business PCs are shipped with a variety of software titles including HP Client Security, HP Drive Encryption, HP Password Manager, Microsoft Security Essentials, Cyber Link Power DVD BD, HP e Print Driver, HP Page Life, Box 50 GB Offer, PDF Complete (Corporate Edition). Please refer to this product's quick spec document for a full list of preinstalled software Display 58.42 cm (23") diagonal widescreen WVA WLED backlit anti-glare non-touch LCD (1920 x 108) Integrated 1 MP webcam with maximum resolution of 1280 x 720 & dual microphone array (optional) Graphics Intel HD Graphics 4400 Audio DTS Sound+ audio management technology, Realtek ALC3228 codec (16-bit & 24-bit PCM), integrated business class 2.0 speakers (2 W x 2), stereo headphone jack, microphone in, stereo line out Input Devices HP USB (Universal Serial Bus) Standard Keyboard Networking Integrated Realtek RTL8151GH-CG Gb E LOM Power Supply 120 W, up to 89% efficient, active PFC (external)
Dimensions (W x D x H) 55.79 x 5.66 x 36.29 cm (22 x 2.2 x 14.3 in) Interfaces 1 USB (Universal Serial Bus) 3.0 1 USB (Universal Serial Bus) 3.0 (fast charging) 4 USB (Universal Serial Bus) 2.0 1 Microphone 1 Headphone 1 RS-232 1 Audio line out 1 Power connector 1 RK-45 1 Display Port 1.2 Expansion 1 half-length mini PCIe 1 5-in-1 media card slot Warranty / Miscellaneous 1 Year Manufacturing Warranty