Looking for a Serial/Parallel Ultrabay Slim Adapter : r/thinkpad
Lenovo Ultrabay DVD Writer DVD RAM R RW Support 24x CD Read24x CD Write16x CD Rewrite 8x DVD Read8x DVD Write8x DVD Rewrite Double layer Media Supported SATA - Office Depot
Nigudeyang Ultrabay 2nd 2.5 Hdd Ssd Hard Drive Enclosure Optical Bay Caddy Frame For Lenovo Thinkpad R400 R500 T420 T430 T510 - Hdd & Ssd Enclosure - AliExpress
9.5mm IDE Optical Bay Hard Drive Adapter Caddy - Walmart.com
41N5661 IBM Storage Accessory
Ultrabay Slim SATA 2nd Hdd Hard Drive Caddy for Module Lenovo ThinkPad T400 T500 New 9.5mm - AliExpress