HP 511782-001 8-Bay SFF Drive Cage & Backplane w/ cables for Proliant ML350 G6
Uneatop Aluminum 8-bay HDD Mobiler Rack 2 Mini-SAS HD (SFF-8087) for 2 x external 5.25in drive bay - AliExpress
Drive bay numbering
Amazon.com: Computer 2nd HDD SSD Hard Drive Caddy for Dell Optiplex 790 780 990 7010 755 3020 960 7020 SFF Small Form Factor Desktop PC, SATA3 Second Solid State Disk Enclosure, DVD Optical Bay Replacement : Electronics
496074-001 HP Gen6 ProLiant DL380 SFF 8 Bay Hard Drive Cage
Amazon.com: (5-pcs) 2.5inch SFF SAS SATA Drive Tray Caddy for 651687-001 651699 G9 Gen9 2.5" SAS SATA Tray DL380p DL360p DL160 DL560 385 G8 G9 Server Series : Electronics
SFF drive bay numbering: Smart Array controller
MB720MK-B V3_4 Bay M.2 NVMe SSD PCIe 4.0 Mobile Rack Enclosure for External 5.25" Drive Bay (4 x OCuLink SFF-8612 4i)
HP DL380 Gen8 670943-001 8-Bay SFF Drive Cage Kit with Backplane a zy | eBay