Silverstone RM51 5U Rackmount Server Case - Black

Dual-purpose chassis - Industrial / Home Designed for industrial rackmount or high-end home system usage, which can be placed in vertical or horizontal orientations. Unparalleled rackmount cooling performance 2 x Air Penetrator 184i PRO fans pre-installed to provide excellent system cooling. Downward compatible with 3 x 120mm fans which also allows for triple 120mm or dual 180mm liquid cooling radiator. Tremendous hardware versatility An internal 3.5" drive cage allows installation of 2 x 3.5" HDDs. If it’s to be left unoccupied, enables the option of installing a secondary PSU in SFX form factor. Excellent space maximization To avoid any unforeseen damages to either the motherboard or the graphics cards, an expansion card retainer with storage drive mounting holes is included to prevent sagging of graphics cards while maximizing space utilization.