for Models: This replacement disk tray is designed to fit seamlessly with a wide range of for NAS models including for DS3622xs+, DS3617xSII, DS3617xs, and many more, ensuring a perfect match for your system's specifications. Versatile Compatibility: Compatible with both 3.5inch and 2.5inch drives, this tray supports a variety of storage options. It's ideal for upgrading your existing setup or replacing a tray, enhancing your data management capabilities. Secure and Reliable: Equipped with a lock, this drive tray ensures the safety and security of your valuable data. The robust design prevents accidental removal or tampering, providing peace of mind in sensitive or high-traffic environments. Applicable model:DS3622xs+,DS3617xSII, DS3617xs,DS3615xs,DS3018xs, DS2422+,DS2419+II,DS2419+, DS2415+,DS2015xs,DS1821+,DS1819-, DS1817+,DS1817,DS1815+,DS1813+, DS1621xs+ ,DS1621+,DS1618+, DS1517+, DS1517,DS1515+,DS1515,DS1513+,DS718+, DS716+II,DS716+,DS715,DS215+,DS214+, DVA3221,DVA3219,DX1222,DX1215II,DX1215,DX517,DX513 Color: Black Material: plastic Package Contents: 1 x Hard Drive Tray Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.