THE FORTRESS2-Piece Storage Box for 3200 Trading Cards. Comes with 3 dividers that create 4 cells to hold 4 XCS8002P (sold separately) or alternatively holds Toploaders without nesting boxes.

THE FORTRESS  2-Piece Trading Card Storage Box. 
Holds 3200 cards vertically in 4 XCS8002P (sold separately).
17-3/4 x 5-1/8 x 15-1/8"(wide). Outside dimensions.
Boxes comes with 3 dividers that create four internal cells (16 x 4-7/8 x 3-3/8").

Create your Modular "FORTRESS" System:  Add 4 XCS8002P boxes to XCS3200P to hold 3200 standard cards vertically. OR use without XCS8002P to hold Toploaders, Screwdown, Graded submittal cards, Magnetics  or holders less than 4-3/4" tall.