Features: brand new and high quality It fits for PC for Case which CD-ROM Slot Inwall is flat, or Bracket Installation Type CD-ROM Slot, Some PC for case special design may not support this Hard Drive Rack, then you can only DIY your PC for Case or use it External, please note before buying. Heat Dissipation:With 1 x 12cm cooling fan.Can help heat dissipation and would not easily get out of shape, protecting your hard disk effectively. Perfectly fitting with the optical drive bay, accurately locating the site of for case, hard drive and screw hole, easily expanding storage capacity. Holding 5x 3.5" With Cooling Fan Install Lock space. Hard Drive Cage Drawer Rack Bracket . Note: If there are any problems with the installation details, please refer to Figure. Specifications: Item: Hard Drive Cage Rack Color: Silver+Black Material: 304 Stainless steel Size:approx.16.6x12.8x14.6cm/6.5x5x5.7in Package Includes: 1PC x Hard Disk Rack 1PC x Fan Mask 5Pairs x Hard Disk Slide Rails 1Pack x Screws 1PC x Screw Driver 1PC x Fan note: Hard Drive are not included. No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!