Zotac has released a very small desktop PC called ZBox P that runs Windows 8.1 with Bing OS and measures 115.5 (width) x 66 (length) x 19.2mm (height).
Processing is handled by the quad core Intel Atom Z3735F 1.33GHz processor with onboard graphics. Everything you need to get your office or web browsing done is onboard including 802.11n Wi-Fi, Bluetooth 4.0 and even Ethernet!
There are two models: PI320 and PI321
1. ZBOX PI320: This one comes with 32GB eMMC storage and it will hit the market shelves in November in Japan for 30000 Yen (~ $278).
2. ZBOX PI321: This has exactly the same specifications as the 32GB model but comes with 64GB eMMC storage. It will cost you 40000 yen (~ $370).
Port selection includes 3x USB 2.0 ports, HDMI, micro SD card slot and audio input and output jack.
You can mount it behind your PC monitor as a VESA mount is included in the box.
Zotac Zbox P specifications
||Windows 8.1 with Bing（32bit）
||Intel Atom Z3735F (1.33GHz / up to 1.83GHz, quad-core)
||Intel HD Graphics
||802.11n Wi-Fi、Bluetooth 4.0
||USB 2.0 × 2, Ethernet port × 1 (10 / 100BASE-T), headphone output
|Ports in front
||3 in 1 (microSD / SDHC / SDXC) card reader
|Ports on sides
||HDMI × 1, USB 2.0 × 1, AC adapter port, power button
|In the box
||VESA mount, AC adapter, user manual, quick installation guide, OS recovery DVD