What is the difference between XENPAK, XPAK and X2 ?

resource

The X2 with the same function as Xenpak, but with a smaller size that allows more port density. Figure 1 and the below list shows the comparison between XENPAK and X2 optics. Figure 1 Typical Xenpak, XPAK vs X2 A brief comparison between XENPAK and X2 Transceivers | X2 | XPAK | XENPAK | | Mechanical Dimension | Smallest | Bigger | Biggest | | Data Rate | 10Gb/s | 10Gb/s | 10Gb/s | | Types | CX4, SR, LR, LRM, ER, ZR, CWDM, DWDM | CX4, SR, LR, LRM, ER, ZR, CWDM, DWDM | CX4, SR, LR, LRM, ER, ZR, CWDM, DWDM | | Interface | XAUI | XAUI | XAUI | | Standard | X2 MSA | XPAK MSA | XENPAK MSA | | Connector | Copper or SC | Copper or SC | Copper or SC | | Price | A litter lower | NA | higher | SFP+ module, SFP+ transceiver, bidi sfp, XFP module, XFP transceiver Which is good? First choice Astra Photon！Thanks for your concern, to learn more about Astra Photon, please enter Astra Photon website: http://www.Astra Photon sales team/