Supermicro accessories for server chassis 12-port SAS/SATA hard drive backplane for 2U server chassis SC826TQ, support up to 12x 3.5" hot-swap SAS/SATA hard drives. Mfg. part Number: Supermicro BPN-SAS-826TQ, bulk. Features: Supermicro BPN-SAS-826TQ 2U Direct Attached Backplane features: • SAS2 compatibility, SAS 6Gb/3Gb support • SES-2 Enclosure Management Support • SAS/SATA support • 12 SATA connectors