Mini PC Acer Revo One RL85 CPU: i3-4005u i3-5010u i5-5200u Pentium 3558U Celeron 2957U Graphics: Intel HD 5500, HD 4400 RAM: 8GB DDR3L SDRAM Storage: 3 x HDD or SDD ( 2.5 ) Ports: 2 x USB 3.0, 2 x USB 2.0, HDMI, mini-DisplayPort, headphone jack. Connectivity: Bluetooth 4.0, 802.11n Wi-Fi, Gigabit Ethernet. Size: 4.19 x 4.19 x 6.1-inches W x D x H Opening and SSD-s or HDD-s upgrade changing the thermal paste replacement My choice for a custom home NAS. https://pcmasterx.com/index.php/blog/acer-revo-one-rl85-full-service-open-changing-the-thermal-paste