The 2-pack allows for up to 12 x 3.5" drives, or you can stack 2 trays on the same 6 x 3.5" hard drives to create a sturdy "brick" of drives. Keep your hard drives organized and secure! Our drive trays are trusted by data specialists, home sysadmins, and even those who want to download the internet. Designed to keep your drives upright and stable, they prevent the dreaded domino effect and keep your equipment safe. Each order includes a 2-pack, giving you the flexibility to use them separately for 12 HDD slots, or combine two trays for 6 HDDs into a super solid, hard drive "brick." Just be sure to screw them in securely! (NOTE: HDDs are heavy—don’t drop them on your foot!) Hard Drive Tray Dimensions: 107mm x 203.5mm x 37mm (4.21" x 8.01" x 1.46")RIGHT ANGLE Cables Supported8mm of Space between drives to maximize airflowUse as a hard drive test bench or external drive traysDrives can stand on their own or screwed into the tray. No tools or screws required A more economical and environmentally friendly solution compared to hard drive enclosures, JBODs, hard drive cases, or racks. This listing is a 2pk of GRAY hard drive trays.NOTE: Hard drives or cables are not included.BULK PRICING AVAILABLE - Contact Seller