With this Qnap you get a lot for your money. Inexpensive, PLEX support, decent app and options to choose from. Has good performance as a home or small business NAS.nDRAM 512MB Flash Memory 512MB TS-251-4G: 4GB DDR3L RAM (2GB x 2)nTS-251: 1GB DDR3L RAM Total memory slots: 2 (expandable up to 8GB)nLED Lights Status, LAN, USB, HDD 1, HDD 2nnPortsn2 x USB 3.0 port (Front: 1, Rear: 1)n2 x USB 2.0 port (Rear: 2)nSupport USB printer, pen drive, and USB UPS etc.nLan 2 x Gigabit RJ-45 Ethernet portnnSupported ClientsnWindows 7 and Windows Server 2003 onward, Apple Mac OS X onward, Linux & UNIX Supported BrowsersnGoogle Chrome. Microsoft Internet Explorer 10+nMozilla FirefoxnApple SafarinnStorage ManagementnSingle Disk, JBOD, RAID 0, 1nOnline RAID capacity expansionnOnline RAID level migrationnBad block scan and hard drive S.M.A.R.T.nBad block recoverynRAID recoverynBitmap supportnnWorks with 2.5-inch and 3.5-inch SATA hard disk drives and/or solid-state drives (SSD) from major hard drive brands. For the compatible hard disks, please check the compatibility list on QNAP website (http://www.qnap.com/compatibility).<br />
1 to 2-drive single disk volume, JBOD, RAID 0, 2-drive RAID 1.
For complete information you can just click here for the operating manual.nhttp://us1.qnap.com/Storage/Manual/QTS_user_manual_SMB_eng_4.1_2015_0115.pdf