we have good stock for ASA 5520 K9, new and sealed ready to ship price: call please contact me: Suntech Cooperation , LTD www.suntechteam.com contact: Miss Shirley E-mail: shirley@ suntechteam.com sineteam02@ hotmail.com MSN: sineteam02@ hotmail.com Skype: suntechshirley Tel: 0086 755 29355980 Fax: 0086 755 29355980 Mob: 0086 137 137 03392