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
o 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
o Instant secure erase
SSD support with SSD Guard™
Global and dedicated hot spare with revertible hot spare support
o Automatic rebuild
o Enclosure affinity
o Emergency SATA hot spare for SAS arrays
Single controller multipathing (failover)
I/O load balancing
Comprehensive RAID management suite
Benefits
Superior performance
o Maximum reads: 2,875MB/s
o 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