Figure D-13 shows the directors. The following blades are available for both models: The SAN768B-2 and SAN384B-2 include the following features: Appendix D. IBM Fibre Channel storage area network product portfolio  513 GLYPH<SM590000> 16 Gbps 32-port, 48-port, and 64-port FC switching blades GLYPH<SM590000> Enhanced Extension blade that supports twelve 8-Gbps FC ports and ten 1-Gbps Gigabit  Ethernet (GbE) ports, or two optional 10-Gbps GbE ports  GLYPH<SM590000> Autosensing 16 Gbps, 8 Gbps, 4 Gbps, and 10 Gbps E_port Fibre Channel ports. GLYPH<SM590000> 16 Gbps, 8 Gbps, and 4 Gbps FICON interfaces, FICON with control unit port (CUP)  capability. GLYPH<SM590000> One GbE and 10 GbE Fibre Channel over Internet Protocol (FCIP) Ethernet interfaces for  Channel Extension. GLYPH<SM590000> Advanced Extension support for FCIP Trunking and Adaptive Rate Limiting. GLYPH<SM590000> FICON Acceleration for XRC (Extended Remote Copy) and Tape R/W pipelining over  FCIP. GLYPH<SM590000> Integrated Fibre Channel routing (FCR). GLYPH<SM590000> In-Flight Encryption and Compression at line rate for both FC and FICON E_port links. GLYPH<SM590000> UltraScale Inter-Chassis Links (ICL) that provide up to 64-Gbps Chassis-to-Chassis  Optical backplane ports. The SAN768B-2 has 32 x 64 Gbps ICL ports and the SAN384B-2  has 16 x 64 Gbps ICL ports.  Figure D-13 IBM System Storage SAN384B-2 (left) and SAN768B-2 (right)