Zyxel NSA221, 0 TB Zyxel NSA221. Total installed storage capacity: 0 TB http://www.digitalversus.com/nas/zyxel-nsa-221-p10197/test.html Using 18 W when writing data and 10 W on standby, the NSA221 is among the most energy efficient NAS we've tested. However, it's certainly not among the quietest models we've seen. In our quiet test lab, the base noise level of 30.8 dB rose to 35.9 dB w... Some good ideas for multimedia use Noisy fan, Slow data transfer (read and write) The Zyxel NSA-221 is just too slow to rival other NAS on the market.... https://www.expertreviews.co.uk/storage/nas-drives/49723/zyxel-nsa221-review Zyxel is better known for its range of routers than it is for network storage, but the NSA221 is actually the latest in the company's long line of network attached storage (NAS) devices. We had high hopes for the NSA221, especially as Zyxel's previous ...