Graphics card for Apple 27" Cinema Display on Windows Computer

hi hardware forum,

i have bought new apple 27” led cinema display windows computer. in south africa there appear no adapters available , opinion have gained internet seems changing graphics card 1 has “mini display port” plug monitor better option adapter.

 

you kindly helped me build windows computer year ago , understanding @ time configuration needs balanced. mind helping me select graphics card “mini display port” complement configuration (or improve it) , @ same time have necessary mini display port apple monitor. there confusing info on internet implying apple 27” monitor has other connection option, think may have been true in past, latest 1 has mini display port.

 

i use computer video editing in premiere elements stills editing in photoshop cs5 , lightroom 4. @ future point may upgrade premiere pro.

 

i using nvidia gtx 560ti graphics card dell us2711 27” monitor. have had repeated problems of screen crashing , recovering. error message read “nvidia has detected problem , needs close”. didn’t crash software program, screen. have had graphics card drivers updated clean install , hope may have sorted out problem plan transfer gtx 560ti graphics card computer, feel anxious next graphics card purchase. there benefit in keeping 560ti graphics card in computer new graphics card mini display port? seem recall there onboard graphics card in configuration. had wondered if 2 graphics cards have had compatibility problems.

 

i have read these high resolution screens, 2560 x 1440 pixels, have given people problems of slowing computers down. graphics card issue? rather err on side of more power less power spend lot of time video editing. frustrating if machine slow or crashes.

 

my windows computer:

cpu: sandy bridge i7-2600k

motherboard: ga z68xp – ud4

ram: 4x4 gb ddr3-1600

psu: corsair pro gold ax850

cpu cooler: cooler master h212 evo

windows 7

 

the supplier says has following graphics cards have mini display ports. when asked nvidia cards said didn’t have in stock. if of 3 below work well, easier me, if have other suggestions better, prefer hunt further cards. live in country can order city. or a  lower end card mini display port old gtx 560ti card better?

 

in stock @ supplier:

msi r7950 twinfrozr oc 3gb ram

ati radeon msi r7870 oc 2gb ram

radion hd 7850

 

i appreciate again.

kind regards

linda collison

 

 

in south africa there appear no adapters available

 

the entire continent has no vga dp adapters?  find difficult believe.  it's far cheaper option buying new graphics card.

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