The Synology DiskStation DS220+ and DS420+ are our pick and upgrade pick, respectively after a new round of testing. The QNAP TS-251D is our runner-up.

The Synology DiskStation DS220+ and DS420+ are our pick and upgrade pick, respectively after a new round of testing. The QNAP TS-251D is our runner-up. Share this review After testing five brand new two- and four-bay network-attached storage space (NAS) products and comparing them against our past picks, we unearthed that the Synology DiskStation DS220+ […]