Sliding Rails for INFINITUM Rackmount Systems. Supported rack depth: 22" to 30" Our Products: INFINITUM Chassis SKU: SLIDING-RAILS-20-2 Sliding Rails for INFINITUM (Pro) Rackmount Systems (only available for purchase as add-on to INFINITUM II case or system). Supported rack depth: 22" to 30"Price: $56.00 Add to Cart Sliding Rails for INFINITUM Rackmount Systems. Supported rack depth: 22" to 30" Previous Item Next Item Product Details Sliding Rails for INFINITUM (Pro) Rackmount Systems (only available for purchase as add-on to INFINITUM II case or system). Supported rack depth: 22" to 30"