iStarUSA 4U industrial rackmount chassis D Storm D-410-50R8PD2 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. With a 500W redundant power supply, D-410-50R8PD2 provides server or cluster maximum reliability and performance with zero down time.