9900 Series The 9900 Series is a popular choice for customizable storage. It features the same attractive styling and seamless front edge detailing as our 8900plus. It%u2019s available in 60 standard colors and an unlimited choice of custom ones. This series offers a wide selection of over files, hinged-door cabinets, vertical and pedestal files, as well as an extra level of customization with a choice of 4 (optional) designer drawer fronts. With 10 drawer heights in 1 1/2%u201D increments from 3%u201D to 16 1/2%u201D, the 9900 Series is perfect for storing an incredible range of mixed media including: 35mm slides, business cards video tapes, audio cassettes 3 1/2%u201D diskettes , CD ROMs, DVDs suspended letter, legal and A4 size tab-top files oversized end-tab hanging files suspended binders, books, manuals X-rays, blueprints, small photocopiers and more. Hinged door units can hold coats, shoes, gym equipment, umbrellas and CPUs. 9900 Series 4 High vs 5 High Vertical Files.