HOMESpare Parts & UpgradesHDD Tray2.5'' HDD Tray for SS-439 and SS-839 series QNAP 6-11260 2.5'' HDD Tray for SS-439 and SS-839 series SKU #6-11260 Oh oh! That product is no longer available... Check out these alternatives QNAP KEY-HDDTRAY-01 Key for HDD tray Details QNAP KIT-SLIMODDINST-01 Slim Optical Drive installation kit Details QNAP SP-X20-TRAY HDD Tray without key lock, white, plastic Details VIEW ALL HDD Tray