iStarUSA S-35-DE4 Compact Stylish 4x 3.5" Hotswap Trayless mini-ITX Tower - S Sleek aluminum front panel with color options for HDD handles 4 trayless and hotswappable 3.5" bays for HDD quick swap Supports 6.0Gb/s SATA/SAS HDDs Compatible with flex power supplies Heavy duty SECC construction Supports standard I/O slot Supports mini-ITX motherboards