D6020 Enclosure with Dual I/O Modules K2Q28A Features: 70 LFF Universal SAS, SAS MDL or Solid State drives in 5U form factor. Two pull-out drive drawers support hot plug large form factor dual-ported SAS, SAS MDL or Solid State drives in just 5U of rack space. 1+2 expansion allows up to three D6020 which can be cascaded for a maximum of 210 drives. Each pull-out drive drawer is supported by a redundant set of hot-plug power supplies and redundant hot-plug fans. Straight forward SAS architecture provides zoned direct attach storage for BladeSystem servers; just a Smart Array P741m controller in the Blade server, a dual or single 6 Gb/s SAS BL switches in the chassis connected to an D6020. Connect directly to selected ProLiant Gen9 servers with the Smart Array P441, or the P841 Controllers using a standard 2M SAS cable; Single and Dual Domain environments. No zoning. 12 Gb/s direct connect to ProLiant Gen10 servers using the HPE Smart Array E208e-p SR Gen10 Controller, HPE Smart Array P408e-p SR Gen10 Controller and the HPE Smart Array P408e-m SR Gen10 Controller. HPE HBA H241 is also supported. The HPE Apollo A4520 supports six (6) D6020 enclosures per A4520 (3 per node). Specifications: SAS 12 Gb/s SAS Modular Chassis 5U, 70 Large Form Factor Universal SAS, SAS MDL or Solid State drive bays Scalability Up to 70 SAS, SAS MDL or Solid State 3.5" hot-plug hard drives can be supported per D6020, or up to 210 drives when three D6020’s are daisy-chained together. A single BladeSystem enclosure supports up to six D6020’s externally. RAID 12 Gb/s SAS Fans Includes four redundant hot-plug fans