I've ordered a LG 34UC97 34" Curved Ultrawide IPS Monitor (3440x1440, HDMIx2, DP, Thunderbolt 2 x2, Speakers, to pair up with my wife's late 2011 iMac 27 because her 23" Cinema Display has failed, but I've just read the specs for the Mac and it states the iMac will power up to 2x30inch monitors with 2440x1440. Do I need to send it back?