2.5" to 3.5" SCSI 50 pin SCSI adapter from Siliconinsider on Tindie
3.5inch Ide Male To 2.5inch Ide Female Card With Scsi Sca 80pin To 68pin Female Ultra Scsi Ii/iii Lvd-se Adapter - Add On Cards & Controller Panels - AliExpress
SinLoon SCA 80 Pin to 68 SCSI Adapter SCSI 68 Female Adapter SCSI 80 Male Adapter
SCSI 50 Pin to 80 Pin Adapter.
CERRXIAN SCSI HPDB 68 Pin Female to IDE 50 Pin Female Adapter Converter - Newegg.com