The RackSolutions 1U Sliding Shelf for Dell Precision PCs provides an efficient and secure solution for mounting up to three Dell Precision SFF and Optiplex SFF computers on a single rack shelf. Equipped with high-quality ball-bearing rails, this sliding shelf allows for smooth movement, giving you easy access to your computers while keeping them securely clamped in place. Designed for 4-post racks, it features an adjustable mounting depth of 10 to 30 inches (254 - 762 mm) to accommodate various rack sizes. The shelf supports up to 45 lbs (20 kg) and is compatible with square, rounded, and threaded holes. Ideal for organizing your server space, the RackSolutions sliding shelf ensures both functionality and reliability.