3.5 inch HDD - Location of bottom mounting holes, Toshiba Electronic Devices & Storage Corporation

3.5 inch HDD - Location of bottom mounting holes Location of bottom mounting holes is different as following figure 1 and 2.

Performance Hard Drive Toshiba X300 Performance Internal HDD

3.5 inch HDD - Location of bottom mounting holes, Toshiba Electronic Devices & Storage Corporation

2.5 SSD to 3.5 SATA Hard Disk Drive HDD Adapter Caddy Tray CAGE Hot Swap Plug

X300 Pro Performance Internal Hard Drive

How to install a hard drive in your computer

SOLVED] - Seagate Barracuda Won't Fit in Tray

How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac

Consumer Internal Hard Disk Drives

HDN-MK1676GSX

Toshiba HDN-MK1676GSX 160GB 2.5 inch Hard drive

ElecGear USB C 3.1 Gen2 External Disk Enclosure for 7mm to 15mm 2.5-inch SATA Hard Drive, Portable Caddy Case Converter for Thick and Standard 2.5'' HDD and SSD, Type A Cable

Dell Optiplex 380 - 500GB SATA Hard Drive with Windows 10 Pro 64-Bit Preloaded