Drive Bracket Slim CD & 3.5" HDD Hard Drive Caddy Cage Tray Slim CD Drive Bracket P/N 1B23G3V00 MID 42940 3.5” HDD Drive Bracket P/N 1B23G3U00 MID 42940 3.5” HDD Screwless Slide-In Drive Holder Liteon F1119 PX60023 for with Screwless Slide-In Hard Drive Tray for Dell Optiplex Mini Tower Computer with Round Mounting Post BKT-SlimCD-3.5-xxx Features: Description: Drive Bracket Slim CD & 3.5" HDD Hard Drive Caddy Cage Tray, Slim CD Drive Bracket P/N 1B23G3V00 MID 42940, 3.5” HDD Drive Bracket P/N 1B23G3U00 MID 42940, 3.5” HDD Screwless Slide-In Drive Holder Liteon F1119 PX60023 for Dell Optiplex Mini Tower Computer, with Round Mounting Post Manufacturer: Not Specified Brand Name or Distributor: Dell Part Number: MID 42940 1B23G3V00 (Slim CD) MID 42940 1B23G3U00 (3.5" Drive) Compatible Screwless Slide-In Hard Drive Tray Liteon F1119 PX60023, or Foxconn C-3598 Condition: Used, may have signs of cosmetic wear and signs of use. Weight: 11 oz (Estimated Shipping Weight 15 oz) Packaging: Non-retail packaging, in unprinted box or plastic bag. For use with or pulled from: Pulled from Dell Optiplex 990, 7010 SFF (Small Form Factor) Computer / Mini Tower Computer with round mounting holes Please note that there are different designs, patterns, and part numbers of drive brackets for Dell Optiplex SFF computers.