Apple iMac 27" A1312 Mid 2011 - Video Card AMD Radeon HD 6770M 512MB 661-5967

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Genuine Apple Video Card - AMD Radeon HD 6770M graphics processor with 512MB of GDDR5 memory.

This GPU was used as the base configuration for all versions of the Mid 2011 27" iMac.  Configure to order options are found bellow.

AMD Radeon HD 6970M graphics processor with 1GB of GDDR5 memory

AMD Radeon HD 6970M graphics processor with 2GB of GDDR5 memory

27" Apple iMac Aluminum (Thick Edge) Mid 2011

Identifiers: iMac 12,2 - A1312 -2249

Model Numbers





AMD Radeon™
HD 6770M GPU
Engine Clock 725 MHz
Memory 512 MB GDDR5
Memory Clock 900 MHz
Memory Bandwidth 57.60 GB/s
TDP 35 Watts

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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