The Shuttle OmniNAS KD21 made a positive impression, it performs well and the firmware is well-organised. The enclosure is a strong point of this NAS, feauturing a memory card reader and two USB 3.0 ports. The software features are limited to downloading torrents, the Sharebox and mobile apps. If that's all you need, then the Shuttle OmniNAS KD21 is a very good and affordable NAS device.
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips