ebay seller “retyrn-of-themac” has NVIDIA Quadro K610M 1GB 745325-001 with custom mac firmware so you can see boot screen at startup i3,i5,i7 cpu only (no default brightness adjust, unless 3rd party app), works great on both of my iMac 27” 2010 and 2011, also works windows 11 on iMac
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ebay seller “return-of-themac” has NVIDIA Quadro K610M 1GB 745325-001 with custom mac firmware so you can see boot screen at startup i3,i5,i7 cpu only (no default brightness adjust, unless 3rd party app), works great on both of my iMac 27” 2010 and 2011, also works windows 11 on iMac
ebay seller “retyrn-of-themac” has NVIDIA Quadro K610M 1GB 745325-001 with custom mac firmware so you can see boot screen at startup i3,i5,i7 cpu only (no default brightness adjust, unless 3rd party app), works great on both of my iMac 27” 2010 and 2011, also works windows 11 on iMac
£119.99 uk