Broadcom MegaRAID SAS 9271 Series 6 Gb/s SATA/SAS RAID Controllers
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Product Description
The Broadcom MegaRAID SAS 9271 Series comprises hardware RAID controllers for SATA and SAS storage, with transfer rates of up to 6 Gb/s per port and a PCI Express 3.0 x8 host interface. Both models use the LSI SAS 2208 dual-core RAID-on-chip processor and 1 GB of 1333 MHz DDR3 SDRAM cache. They support RAID 0, 1, 5, 6, 10, 50 and 60, and configurations with up to 128 SAS drives, SATA drives and SSDs.
The MegaRAID SAS 9271-4i, reference L5-25413-17, provides four internal ports through one mini-SAS SFF-8087 connector. The MegaRAID SAS 9271-8i, reference L5-25413-18, provides eight internal ports through two mini-SAS SFF-8087 connectors. Both cards use an MD2 low-profile format with side-mounted connectors and dimensions of 6.6 × 2.536 inches.
Storage management functions include Online Capacity Expansion, Online RAID Level Migration and automatic rebuild resumption following a power failure. Single-controller multipathing with failover and load balancing is supported, alongside stripe sizes up to 1 MB, fast initialisation, background consistency checking, Patrol Read and S.M.A.R.T. monitoring. Global or dedicated hot spares and SES/SGPIO support are also provided. Software functions include MegaRAID CacheCade Pro 2.0 and MegaRAID Fast Path, with management through MegaRAID Storage Manager, MegaCLI and WebBIOS.
Optional cache protection is available through LSICVM01 or LSIiBBU09. The specified maximum ambient operating temperature is 60°C, reduced to 55°C when using CVM01 or LSIiBBU09.