HP EliteDesk 800 G1 desktop computer

Processor: Intel® Coreâ„¢ i5-4570 (3.2 GHz, up to 3.6 GHz with Intel Turbo Boost 2.0, 6 MB cache, 4 cores)
Processor Family: 4th Generation Intel® Core™ i5 processor

Ports: Front: 2 x USB 3.0 |  2 x USB 2.0 | 1 x headphone connector | 1 x  headphone/microphone
Back: 4 x USB 2.0 | 2 x USB 3.0 | 1 x serial | 1 x serial (optional) | 1 x parallel (optional) | 2 x PS/2 (keyboard and mouse) | 1 x VGA | 2 x DisplayPort with multi-stream4 | 1 x audio line in | 1 x audio line out | 1 x RJ-45 Ethernet

Expansion slots: 2 x PCI Express x1 (v2.0) | 1 x PCI Express x 16 (v2.0 – wired as x4) | 1 x PCI Express x16 (v3.0 |(  1 x Optional PCI (v2.3)

Audio: DTS Studio Soundâ„¢ audio management technology, HD audio with Realtek ALC221 codec, microphone and headphone front ports (3.5 mm), line-out and line-in rear ports (3.5 mm), multi-streaming capable, internal speaker (standard)

Wireless: (Wi-Fi) None | Bluetooth: None
Wired Protocol: 10/100/1000 Mbps, Gigabit Ethernet

Power supply: 320 W
Power supply input voltage: 100 – 240 V
Power supply input frequency: 50 – 60 Hz