661-5546 - Apple iMac 21.5" A1311 Mid-2010 ATI Radeon HD 5670 512MB Video Card

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Genuine Apple Video Card for the Mid 2010 21.5" iMac.  This part was used in the MC509LL/A model which was the High End iMac for mid 2010.

Please note that this card may be installed as replacement / Upgrade for the ATI Radeon HD 4670 256MB Video Card which was standard on the MC508LL/A entry level model.   

21.5" Apple iMac Aluminum (Thick Edge) Mid 2010


iMac 11,2 A1311 - 2389 Mid 2010

Model Numbers



AMD Radeon™
HD 5670 GPU
Engine Clock 775 MHz
Memory 512 MB GDDR3 SDRAM
Memory Clock 1,000 MHz (4,000 MHz effective)
Memory Bandwidth 64.00 GB/s (maximum)
Single Precision Compute Power 620.0 GFLOPS
Bus Interface6 PCIe 2.0 x16

All our products are covered by our own 60 day warranty.  If a problem arises we want to work through the situation with you.  Happy customers are the way we continue to grow and we are here to help.

Our Process 

  • Identify the problem by assisting with a diagnoses and trouble shooting.
  • Determine the best way to resolve the issue.  Our preferred method is to replace the defective item whenever possible.
  • We do ask to share the cost of shipping, we will pay for outbound shipping and ask our customers to cover inbound shipping costs
  • If we cannot send a replacement we will issue a refund for the original purchase price less any shipping costs.

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