Dell J5W8K Poweredge M1000E 10/40GBE Switch Module with 1x 10G SPF+ Module The Dell J5W8K is a Force10 MXL 10/40 Gigabit Ethernet switch module designed for use with the PowerEdge M1000E chassis. It provides two QSFP+ ports that can support either 10 Gigabit Ethernet or 40 Gigabit Ethernet connections. The QSFP+ ports on the J5W8K module can be used with a variety of SFP+ or QSFP+ transceivers, depending on your needs. SFP+ transceivers are used for short-range connections, while QSFP+ transceivers can be used for longer-range connections. Here are some of the key features of the Dell J5W8K Poweredge M1000E 10/40GBE Switch Module: Two QSFP+ ports that can support either 10 Gigabit Ethernet or 40 Gigabit Ethernet connections Supports a variety of SFP+ and QSFP+ transceivers Compatible with Dell PowerEdge M1000E chassis If you are looking for a high-performance switch module for your Dell PowerEdge M1000E chassis, the J5W8K is a great option. It provides a flexible and scalable solution for your data center networking needs. Comes with: 1x 10G SFP+ Module Warranty: 60day