New 2nd HDD SSD Hard Drive Caddy, for HP ProBook 4530s 4540s 4520s 4430s 4510s 4515s 4320s 4540s 4545s Laptop Computer, SATA3 Second Solid State Drive Enclosure, Optical Bay Adapter Replacement :
HP ProBook 4530s Hard Drive Replacement - iFixit Repair Guide
HP ProBook 4530s - 500GB Solid State Hard Drive SSD with Windows 10 Home 64 Bit | eBay