The MegaRAID SAS 9280-4i4e, with four internal and four external ports, supports both internal drive storage and external JBOD expansion. Using the external SAS ports, multiple JBODs can be connected to a server, providing a scalable and affordable solution for growing storage requirements. With data transfer rates of up to 6Gb/s per port, the MegaRAID 9280-4i4e brings users new features and improved performance while continuing to support all the features of the previous 3Gb/s SATA+SAS generation. Features - Four internal + four external 6Gb/s SATA+SAS ports - One mini-SAS SFF-8087 x4 internal connector - One mini-SAS SFF-8088 external connector - 6Gb/s throughput per port - LSISAS2108 ROC - 800MHz PowerPC - Low-profile MD2 form factor (6.6€� X 2.536€�) - x8 PCI Express 2.0 host interface - 512MB DDRII cache (800MHz) - Optional battery backup unit (direct attach) - Connect up to 240 SATA and/or SAS devices - RAID levels 0, 1, 5 and 6 - RAID spans 10, 50 and 60 - Auto-resume on rebuild - Auto-resume on reconstruction - Online Capacity Expansion (OCE) - Online RAID Level Migration (RLM) - SafeStore Encryption Services - Instant secure erase - SSD support with SSD Guard - Global and dedicated hot spare with revertible hot spare support - Automatic rebuild - Enclosure affinity - Emergency SATA hot spare for SAS arrays - Single controller multipathing (failover) - I/O load balancing - Comprehensive RAID management suite Benefits - Superior performance - Maximum reads: 2,875MB/s - Maximum writes: 1,850MB/s - PCI Express 2.0 provides faster signaling for high-bandwidth applications - Support for 3Gb/s and 6Gb/s SATA and SAS hard drives for maximum inside-the-box flexibility - Scalable and affordable solution using external connector for connection to JBODs - SafeStore Encryption Services for more secure data protection
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