Specifications: Product number: 42d0612 Generation: sas sff Capacity: 300gb Interface: sas Enclosure internal Size: 2.5" Spindle speed: 10000 rpm External data transfer rate Interface (detailed)sas Hot swap yes Cache: 8mb About us Warranty policy We provide 3 years warranty. If the item is defective, please notify us within 3 days of delivery. 1.All items must be returned in their original condition, in order to qualify for a refund or exchange of goods. 2.Please contact us before leaving any negative or neutral feedbackwe will work with you to solve any problems. Brand image. Standard lot size:2.5inch Weight:1.5kg Paking size:30¡¡¡ì¡¨¦20¡¡¡ì¡¨¦15cm