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Apple iMac 27" A1312 2009 ATI Radeon HD 4850 512MB GPU 661-5315 w/ Heatsink

Apple iMac 27" A1312 2009 ATI Radeon HD 4850 512MB GPU 661-5315 w/ Heatsink

$69.99

This listing is for a Genuine Apple ATI Radeon HD 4850 512MB Graphics Card for the 27-inch iMac A1312 Late 2009.
Part number 661-5315.

The GPU has been fully tested and confirmed fully operational — displays video output correctly, passes stress testing, and shows no artifacts.
Includes the factory heatsink, making it ready for direct installation.
Ideal replacement GPU for restoring or repairing your Late 2009 iMac.



⚙️ Specifications:

  • Brand: Apple / ATI

  • Model: Radeon HD 4850

  • Video Memory: 512MB

  • Part Number: 661-5315

  • Form Factor: Proprietary Apple MXM

  • Compatible System: iMac 27-inch A1312 (Late 2009)

  • Includes: OEM Apple heatsink

  • Condition: Used – Tested working


✴️ Compatibility & Additional Information:

Compatible with the following iMac model:

  • iMac 27" A1312 — Late 2009

Works as a direct replacement for original GPU part numbers used in this generation.
Not compatible with iMac Mid 2010 or Mid 2011 — these use different GPU versions.

Testing Performed:

  • Boot and display check

  • Artifact stress test

  • Thermal stability check

  • Fan response test


⚠️ Notes:

  • This is a legacy GPU made for a specific iMac architecture.

  • Professional installation is strongly recommended.

  • Ensure your model is A1312 (Late 2009) before purchasing.


90-Day Warranty

All products sold by NextGenPCParts are backed by a 90-day limited hardware warranty from the date of purchase. This warranty covers defects in materials or workmanship under normal use.

What’s Covered

  • Manufacturing defects
  • Hardware or component failures (logic board, screen, SSD, GPU, etc.)
  • Performance issues not caused by misuse

What’s Not Covered

  • Physical or cosmetic damage after delivery
  • Improper installation, mishandling, or liquid exposure
  • Software or firmware issues (including iCloud/MDM locks)
  • Normal wear and tear or unauthorized modifications

How to Claim

To start a warranty claim, email support@nextgenpcparts.com with your order number, a brief description of the issue, and photos or videos if available.

Once reviewed, we’ll repair, replace, or refund the item at our discretion.

📘 Read full warranty terms: View Terms & Conditions

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