300G 10K 3.5 SCSI harddisk driver, Hot plug , 1yr free warranty. For G2,G3 sever 411089-B21 ,it's 300G 15k 3,5" scsi harddisk driver, use for G2, G3 sever.that's a DISCONTINUED PRODUCTS . all we sell is stock.need TT advance , ship all the world. fob shenzhen.1yr free warranty 411089-B22 300g 15k scsi