Amazon.com: 43W7717 IBM 50GB SATA 2.5 Inches SFF Slim Hot-Swap High IOPS Soli (Renewed) : Electronics
55298P IBM 50GB SATA Hot Swap 2.5-inch Internal Solid State Drive (SSD)
Seagate 50GB IDE PATA 2.5" Laptop Hard Disk Drive HDD ST950814A (I32-B) | eBay
St150176lw 9m2005-001 50gb Hdd For Seagate Industrial Medical Scsi 68pin Hard Disk 50g Hard Drive Works Perfectly Fast Ship - Servers/workstation Systems & Components - AliExpress
0A60156 Hitachi ATA-100 50GB Hard Drive
ST150176FC – Seagate 50GB 10K RPM FC 3.5″ HDD – Disk Drive Finder
ST950212A Seagate Momentus 50GB ATA/100 Hard Drive