I've had my mini rack running for about two months and finally wrote up a more detailed bill of materials, but here's what I built following the mod I applied in #99:

• Airflow management
  • DeskPi RackMate Accessories Blank Panel 10 inch 1U Rack
  • DeskPi Rackmate Accessories 10 inch 2U Rack Venting Blank Panel for T0/T1/T2 Server Rack/Network Cabinet
  • GeeekPi 10 inch 1U Brush Cable Manager Rack Mount Cable Management Panel with Brush Strip for Cable Entry (2 pack)
• Compute
  • Raspberry Pi 5
  • Raspberry Pi 4
• Cooling
  • Official Raspberry Pi 5 Active Cooler
  • Arctic F8 Silent 80mm cooling fan
• Case
  • Flyht Pro Stage Rack 9,5” 6U Double Door
  • HEX STANDOFF M5 STEEL 20MM
• Mounting
  • DeskPi Rackmate 10 inch 2U Rack Mount with 4 PCIE NVME Boards for Raspberry Pi 5
  • HEX STANDOFF M2.5X0.45 STEEL 9MM
• Network (and power)
  • YuanLey 8 Port Gigabit PoE Switch
• Power
  • 15Ft Long Surge Protector Power Strip, Addtam Extension Cord
  • Raspberry Pi PoE+ HAT
  • ADP-45HG BN USB-C PD power supply
• Storage
  • NVMe Base Duo for Raspberry Pi 5
  • KIOXIA - SSD OCZ Branded EXCERIA NVMETM GEN 2 2TB M.2 2280