Synology has added three dual-bay NASes to its DiskStation family.
The new NASes are all based on Marvell processors. The DS212+ uses a Marvell mv6282 @ 2.0GHz w/ 512 MB of RAM, the DS212 is based on a Marvell mv6282 @1.6 GHz w/ 256 MB of RAM and the DS212j has a Marvell mc6282 @1.2GHz w/ 256MB of RAM.
The DS212 and DS212+ include two USB 3.0 ports for fast attached storage transfers. The DS212+ also has an eSATA port for additional storage expansion.
The DS212j has neither USB 3.0 nor eSATA ports, but comes with two USB 2.0 ports.
All models run Synology's DSM 3.2 OS that supports Active Directory, MacOS X Lion and Apple Time Machine, UPnP AV / DLNA media serving and much more.