The black HDD Tray from QNAP is for use with 3.5" and 2.5" drives without a key lock. The tray is made of plastic with 6 screws for 2.5" HDD, and 8 screws for 3.5" HDD.
Dimensions: 1.6x5.5x7.1 inches
In The Box
QNAP HDD Tray (Black)
Special Feature: This TRAY-35-NK-BLK02 is for use with the 3.5" and 2.5" drives without a key lock.
Description: HDD Tray for 3.5-inch and 2.5-inch drives without key lock, black, plastic with 6 x screws for 2.5-inch HDD & 8 x screws for 3.5-inch HDD
Number of Total Expansion Bays: 1
Number of 2.5-inch / 3.5-inch Bays: 1
Form Factor: Internal