Samsung S Series S2 Portable 320 GB, 320 GB, 2.5", 2.0, 5400 RPM, Blue Samsung S Series S2 Portable 320 GB. HDD capacity: 320 GB, HDD size: 2.5". USB version: 2.0. HDD speed: 5400 RPM. Product colour: Blue https://www.expertreviews.co.uk/storage/external-hard-drives/48194/samsung-s2-portable-250gb-review Samsung is an established manufacturer of internal 2?in laptop hard disks, so it's no surprise that it has released its own range of external models. The S2 is slightly more compact than most external portable disks we've seen, since its internal 2?in ... http://www.digitalversus.com/external-hard-drive/samsung-s2-portable-500-gb-p5013/test.html Great software Samsung has included a good selection of software with this external hard drive. You can use it to schedule backups, and even choose the folders or types of files you want to save. And if you want to keep your data safe, you can also en... Pluses, Style and design, Complete software Minuses, Weak speeds for writing data, No antislip coating, Access time: 18.6 ms, Only connects with USB 2.0