Hi everyone. I have a R9 280x sapphire and i mine with 560 hr/s. Is there anyone who can tell me if this is my best hash rate or not how i can increase it? Thanks in advance!

Let me tell u something pal...
Bitcoin mining hashrate is increasing time to time...if you got only that hashrate per second, then u will lose even u try until your death....today the faster btc mining hashrate is ph/s.... let me tell you..(1000 hashrate = 1 khashrate, 1000 khashrate = 1 Mhashrate, 1000 Mh/s = 1 Ths/s, then 1000 Th/s = 1 pico hashrate persecond...warn me if im wrong....thats mean you only waste your time, actually u can also mine some bitcoin just using Mh/s now...u still earn few 0.01 or higher or something...AND THATS MEANS U GONNA NEED A MINING MACHINE, FOR EXAMPLE A.S.I.C, GOOGLE IT FOR BTC MINING....If you were on years 2007, then your 560 hrate/s will get u mined...BUT THE PRICE FOR MINING MACHINE IS "VERY COOL" DUDE!! GO SAFE YOUR MONEY THEN BUY IT..