This Drive Bay Mounting Bracket Kit lets you mount a 3.5in Hard Drive in a 5.25in drive bay, allowing you to maximize the internal space-efficiency of
5.25 Bay Mounted 2.5/3.5 HDD Dock - Hard Drive Racks - HDD Mobile Racks & Backplanes
Fits 4 x 2.5 SATA HDD / SSD into a single extermal 5.25 bay Tool-less drive installation design with advanced drive stabilizer system Compatible
ICY DOCK 4 Bays Dual 2 x 2.5 inch Hard Drive SSD Mounting Bracket Adapter for External 5.25” Bay | Flex-FIT Quattro MB344SP
This front bay mounting bracket lets you install a 3.5 floppy drive, media card readers or other peripherals into a 5.25 front bay of your desktop
3.5 to 5.25 Front Bay Mounting Bracket
3.5 to 5.25 Hard Drive Adapter Bracket with Mounting Screws
StarTech.com 3.5in Hard Drive Mounting Adapter for 5.25in Bay
3..25 Bay Drive HDD Mounting Bracket Adapter for Computer
Hard Drives - FriendsOffice
StarTech.com 3.5in Universal Hard Drive Mounting Bracket Adapter for 5.25in Bay
Product StarTech.com 2.5 to 3.5 SATA Hard Drive Mounting Bracket Kit - Dual SATA SSDs/HDDs Mounting Bracket for Mounting Bay (BRACKET25X2) - storage bay adapter
Startech.com 3.5in Universal Hard Drive Mounting Bracket Adapter for 5.25in Bay (BRACKET) - A-Power Computer Ltd.