I don't see any direct attach cables listed longer than 7m. Based on price, The next option would be to purchase SFP+ SR transceivers.  [URL] This transceiver supports OM1, OM2, OM3, and OM4 cables.  400 meters over OM4 fiber 300 meters over OM3  fiber (in other words, use aqua "OM3 LC/LC fiber cables") 82 meters over OM2 fiber (orange fiber) 33 meters over OM1 fiber You could use one of these cables : [URL] [URL] [URL] [URL] Here are some other transceiver options. [URL] [URL] Hope this helps.
I wonder which Dell cables for link between two PC 5524.  I plan to link between 2 racks distance around 10m.  Thanks, Chutima S.
SFP+ Cable model for PC5524.