UCTRONICS 1U Raspberry Pi Rack Mount, Heavy-Duty 2mm Carbon Steel 19" Rackmount, Supports 1–4 Raspberry Pi 5/4B/3B+, with Keystone Slots for Cluster & Server Setup

["Upgraded 2mm Heavy-Duty Carbon Steel: Built with 2mm thick carbon steel—this 1U Raspberry Pi rack mount delivers exceptional durability and load-bearing capacity for multi-device setups and long-term use","Stable & Secure Structure Design: Reinforced frame with smooth rounded edges minimizes vibration and enhances safety, protecting your Raspberry Pi boards in demanding environments such as server racks, labs, and cluster systems","Standard 19\" 1U Rack Compatibility: Designed to fit all standard 19-inch server racks (1U size), compatible with Raspberry Pi 5, Raspberry Pi 4 Model B, Raspberry Pi 3B+ / 3B, offering a universal mounting solution","Flexible Modular Expansion: Features 4 dedicated Raspberry Pi mounting slots plus 8 additional keystone openings for HDMI, Ethernet, USB, or blank panels—ideal for building Raspberry Pi clusters, network racks, or video wall systems","Durable Powder-Coated Finish: Matte black powder coating resists scratches, corrosion, and wear, ensuring a professional look and reliable performance in both home labs and industrial environments"]