Hdd 3.5?

i planning to buy wd tv…i have a question.wd tv support 2.5 sata…can we connect 3.5 sata with… i know it will not fit in the box but can i use extended cables connection to use 3.5 sata?

The WDTV does not have SATA connections.  You can use a 2.5 or 3.5 hard drive with an external enclosure with USB output.  

External enclosures-  http://www.newegg.com/Store/SubCategory.aspx?SubCategory=92&name=External-Enclosures&Order=RATING

List of officially supported hard drives

http://wdc.custhelp.com/cgi-bin/wdc.cfg/php/enduser/std_adp.php?p_faqid=3805&p_created=1255474998&p_sid=4Lxr8N6k&p_accessibility=0&p_redirect=&p_srch=1&p_lva=&p_sp=cF9zcmNoPTEmcF9zb3J0X2J5PSZwX2dyaWRzb3J0PSZwX3Jvd19jbnQ9MTAxLDEwMSZwX3Byb2RzPTIwOCwyOTkmcF9jYXRzPSZwX3B2PTIuMjk5JnBfY3Y9JnBfcGFnZT0x&p_li=&p_topview=1#harddrive

Many users have used other hard drives with success.  I happen to be using a Cavalry 1TB CAUM series HD (I believe that is a WD  inside).