Solved 1). The platter of the hard drive of a computer | Chegg.com
Cheap Dell ST9600205SS 600GB 10K RPM SAS 6GBPS | Refurbished
Cheap Seagate ST9600105SS 600GB 10K RPM SAS 6GBPS | Refurbished
Hitachi+0J22412+Hard+Drive for sale online | eBay
600GB 10K RPM SAS 2.5 INCH 9TG066-039 ST9600205SS 49Y2051 disco - Walmart.com
Hitachi+0J22412+Hard+Drive for sale online | eBay
Lot of 7x Hitachi 600GB 2.5in SAS Hard drive HUC106060CSS600
600GB, 2.5" SAS Hard Disk, 10,000rpm, 16M ST9600104SS Seagate ST9600104SS HDD 2.5" SAS 320GB - 960GB. PcHub.com - Laptop parts , Laptop spares , Server parts & Automation
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Dell 400-ATNM Hard Drive 1.92 TB SSD SATA 2.5 - Velocity Tech Solutions
600GB, 2.5" SAS Hard Disk, 10,000rpm, 16M ST9600205SS Seagate ST9600205SS HDD 2.5" SAS 320GB - 960GB. PcHub.com - Laptop parts , Laptop spares , Server parts & Automation
WD40PURX 4T 3.5" Monitoring Desktop Hard Disk Enterprise Server 5400 RPM SATA - AliExpress
Found this 1GB HDD in my grandpa's computer. : r/pcmasterrace
10000 RPM HDD VS. SSD - How to Upgrade Your Hard Drive Safely - MiniTool Partition Wizard