Apple iMac 21.5" A1311 LATE-2009 ATI Radeon HD 4670 256MB Video Card - 661-5308

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Replacement Video Card for the Late 2009 21.5" iMac.  This part was used in the Build to order option of the MB950LL/A.

Please note that it is not possible to upgrade the Nvidia integrated GPU of the standard model with this video care the 2 models used unique Logic Boards.

21.5" Apple iMac Aluminum (Thick Edge) Late 2009


iMac 10,1 A1311 - 2308 Late 2009 BTO (Build to order) 


Model Numbers


AMD Radeon™
HD 4670 GPU
Engine Clock 750 MHz
Memory 256 MB GDDR3 SDRAM
Memory Clock 900 MHz (1800MHz effective)
Memory Bandwidth 25.60 GB/s (maximum)
Single Precision Compute Power 192.0 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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