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DS-X9448-768K9 is the Cisco MDS 9700 48-Port 16-Gbps Fibre Channel Switching Module, and its full-duplex aggregate performance is 768 Gbps. The 48 ports autosense 2/4/8-Gbps or 4/8/16-Gbps, and each can also be set for 10-Gbps Fibre Channel. Hot-swappable SFP+ transceivers fit the ports, and 10 Gigabit Ethernet clocked optics can carry 10-Gbps Fibre Channel traffic.
The 48 ports split into 12 sets of four, and each set moves 64 Gbps in each direction at the same time. Buffer credits run up to 500 per port, with up to 4095 on one port when the Enterprise Package license is active. A PortChannel can bundle up to 16 links, drawn from any port on any module in the chassis.
The module goes in any payload slot of an MDS 9700 Series director and needs Cisco MDS 9000 NX-OS Release 6.2.1 or later. Power draw is 650 W maximum and 480 W typical. The spare number is DS-X9448-768K9=. For MDS 9500 chassis there is the DS-X9248-48K9 module, and more Fibre Channel cards are in Cisco interface cards.
| Part number | DS-X9448-768K9 |
| Type | Cisco MDS 9700 48-Port 16-Gbps Fibre Channel Switching Module |
| Ports | 48 autosensing Fibre Channel |
| Port speeds | 2/4/8-Gbps or 4/8/16-Gbps autosensing; 10-Gbps configurable |
| Aggregate performance | 768 Gbps full-duplex |
| Port sets | 12 sets of 4 ports, 64 Gbps per set each direction |
| Buffer credits | Up to 500 per port; up to 4095 on one port with Enterprise Package license |
| PortChannel | Up to 16 ports |
| Optics | Hot-swappable SFP+ |
| Software | Cisco MDS 9000 NX-OS Release 6.2.1 or later |
| Power | 650 W maximum; 480 W typical |
| Spare number | DS-X9448-768K9= |
| Compatible with | Cisco MDS 9700 Series Multilayer Directors (MDS 9706, 9710, 9718) |