The SSD seems to be a mSATA and upgradable. RAM not upgradable. According to the Toshiba website this is only 1.1kg, lighter than a Macbook Air 13" but a bit thicker. Seems like a good buy for portable device with decent specs and a Windows 8.1 PRO license.
CPU: i5 5200U
RAM: 8GB DDR3L
Hard drive: 128GB M-SATA SSD
Screen: 13.3" FHD 1920x1080 non-touch matte screen
Battery Life: 9 hours (Says 13hr on bing lee site)