Samsung 860 EVO 500GB 2.5 Inch SATA III Internal SSD (MZ-76E500B/AM) : Electronics
Western Digital Blue WD5000AAKS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive - Newegg.com
OWC DIY Kit: AdaptaDrive + 500GB Electra 3G... at MacSales.com
WD Blue 3D NAND 500GB PC SSD - SATA III 6 Gb/s, 2.5"/7mm - WDS500G2B0A & Corsair Dual SSD Mounting Bracket 3.5" CSSD-BRKT2 : Electronics
WD 2TB SSD Kit w/ 3.5" Adapter | Sweetwater
Amazon.com: Crucial MX500 500GB 3D NAND SATA 2.5 Inch Internal SSD, up to 560MB/s - CT500MX500SSD1 : Electronics
Western Digital 500GB WD Red SA500 NAS 3D NAND Internal SSD - SATA III 6 Gb/s, 2.5"/7mm, Up to 560 MB/s - WDS500G1R0A : Electronics
Amazon.com: SanDisk Ultra 3D NAND 500GB Internal SSD - SATA III 6 Gb/s, 2.5 Inch /7 mm, Up to 560 MB/s - SDSSDH3-500G-G25 & Corsair Dual SSD Mounting Bracket 3.5" CSSD-BRKT2, Black :
Amazon.com: Crucial MX500 500GB 3D NAND SATA M.2 Internal SSD, up to 560MB/s & Seagate Barracuda 2TB Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache 3.5-Inch –
500GB SSD Upgrade for Power Mac G4, iMac G4, and eMac
Sunvalley Brand New Universal Plastic 2.5 Inch To 3.5 Inch SSD HDD Caddy For Desktop PC Wholesale|ssd hdd caddy|hdd caddy2.5 inch - AliExpress
Original 3.5inch 500GB 1TB 2TB 3TB 4TB 6TB HDD SSD Hard Drive for Desktop Laptop|Tool Parts| - AliExpress
Samsung 512GB mSATA SSD Internal 1.8" ( larger than 500GB ) SATA III 6Gb/s | eBay
WD Blue™ SATA Internal SSD Hard Drive 2.5”/7mm cased | Western Digital
Amazon.com: WD Blue 3D NAND 500GB PC SSD - SATA III 6 Gb/s, 2.5"/7mm - WDS500G2B0A and 2TB PC Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD20EZAZ : Electronics
Samsung 500GB 840 Series 2.5" Solid State Drive MZ-7TD500KW B&H
Shop | StarTech.com 2.5" to 3.5" SATA HDD/SSD Adapter Enclosure - External Hard Drive Converter with HDD/SSD Height up to 12.5mm (25SAT35HDD) - storage enclosure - SATA 6Gb/s - SATA 6Gb/s