Support 28 fully-independent SAS and SATA II ports
SSP, SMP, STP protocol support
Support 1.5G/3.0G b/s SAS/SATA II data transfer rates
Support Port independent auto-negotiation
Ports are non-denominational. Initiator or target connect. Provides a low latency connection router with crossbar module to efficiently create and maintain connections
Support SATA/SAS HDD spin-up sequencing, configurable on a per-PHY basis
Support J1 1 pcs 25 pin infiniband connector 4 port for SAS HBA card input
Support J2 1 pcs 25 pin infiniband connector 4 port SAS daisy chain to next expander JBOD use
Support J3~J7 5 pcs 25 pin infiniband connector 20 port hard disk for SAS backplane
Support JP3 2 X 10P pin header for firmware update
Support JP1 2 X 20p pin header for hard disk activity LED bright
Support JP2 2 X 20p pin header for hard disk fail LED bright