HP 400PRO (L0J05PA) Desktop PC

Features
Meet your needs and your budget with a reasonably-priced business small form factor desktop that has four bays and four slots ready for expansion and upgrades, and is available bundled with select displays in optional configurations.

Configurations for today and tomorrow Get connected with the newly designed HP ProDesk 400 G2 SFF that has front USB 3.0 ports for your latest devices and serial and PS/2 ports for your legacy installations. Enjoy easy access to components through the tool-less chassis.
Designed with work in mind Enjoy the business ready performance of 4th generation Intel® Core™ processors
equipped with a powerful chipset, processor support, and robust memory.
Perform at the speed of work Help keep sensitive data secure with comprehensive security features like HP Client Security
and HP BIOS Protection
as well as the embedded TPM 1.2.
Safeguard data and devices

Specifications
Intel® Celeron® G1840 with Intel HD Graphics (2.8 GHz, 2 MB cache, 2 cores)
4 GB 1600 MHz DDR3 SDRAM (1 x 4 GB)
500 GB 7200 rpm SATA
Slim SATA SuperMulti DVD writer
Integrated Realtek RTL8151GH-CG GbE LOM
Front I/O Port2 USB 3.0
2 USB 2.0
1 microphone/headphone jack
Expansion slots3 low-profile PCIe (x1)
1 low-profile PCIe x16 
Back I/O Port
4 USB 2.0
2 PS/2
1 VGA
1 DisplayPort
1 DisplayPort 1.2
1 RJ-45
1 audio line in
1 audio line out
1 serial
Windows 7 Professional 64 (available through downgrade rights from Windows 8.1 Pro)
Package Content
1 x HP 400PRO (L0J05PA) Desktop PC