iStarUSA 4U industrial rackmount chassis D Storm D-410 supports up to seven full-length and full-height add-on cards and total 10 x5.25" drive bays for RAID configuration and high density data storage. Two 120mm cooling fans on sides provide the best ventilation to prevent critical equipment from heat damage. D-410 provides server or cluster maximum reliability and performance. - Supports Up to 10 x 5.25" Drive Bays. - Front Access USB2.0. - 120mm x 2 Cooling Fans on Sides. - Power and HDD LED.