{"product_id":"apple-imac-27-a1312-2009-ati-radeon-hd-4850-512mb-gpu-661-5315-w-heatsink","title":"Apple iMac 27\" A1312 2009 ATI Radeon HD 4850 512MB GPU 661-5315 w\/ Heatsink","description":"\u003cp data-start=\"680\" data-end=\"826\"\u003eThis listing is for a \u003cstrong data-start=\"702\" data-end=\"758\"\u003eGenuine Apple ATI Radeon HD 4850 512MB Graphics Card\u003c\/strong\u003e for the 27-inch iMac A1312 Late 2009.\u003cbr data-start=\"796\" data-end=\"799\"\u003e\nPart number \u003cstrong data-start=\"811\" data-end=\"823\"\u003e661-5315\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"828\" data-end=\"1123\"\u003eThe GPU has been fully tested and confirmed fully operational — displays video output correctly, passes stress testing, and shows no artifacts.\u003cbr data-start=\"971\" data-end=\"974\"\u003e\nIncludes the \u003cstrong data-start=\"987\" data-end=\"1007\"\u003efactory heatsink\u003c\/strong\u003e, making it ready for direct installation.\u003cbr data-start=\"1049\" data-end=\"1052\"\u003e\nIdeal replacement GPU for restoring or repairing your Late 2009 iMac.\u003c\/p\u003e\n\u003cbr\u003e\u003chr data-start=\"1125\" data-end=\"1128\"\u003e\n\u003ch3 data-start=\"1130\" data-end=\"1158\"\u003e⚙️ \u003cstrong data-start=\"1137\" data-end=\"1156\"\u003eSpecifications:\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul data-start=\"1159\" data-end=\"1452\"\u003e\n\u003cli data-start=\"1159\" data-end=\"1185\"\u003e\n\u003cp data-start=\"1161\" data-end=\"1185\"\u003e\u003cstrong data-start=\"1161\" data-end=\"1171\"\u003eBrand:\u003c\/strong\u003e Apple \/ ATI\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1186\" data-end=\"1215\"\u003e\n\u003cp data-start=\"1188\" data-end=\"1215\"\u003e\u003cstrong data-start=\"1188\" data-end=\"1198\"\u003eModel:\u003c\/strong\u003e Radeon HD 4850\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1216\" data-end=\"1243\"\u003e\n\u003cp data-start=\"1218\" data-end=\"1243\"\u003e\u003cstrong data-start=\"1218\" data-end=\"1235\"\u003eVideo Memory:\u003c\/strong\u003e 512MB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1244\" data-end=\"1273\"\u003e\n\u003cp data-start=\"1246\" data-end=\"1273\"\u003e\u003cstrong data-start=\"1246\" data-end=\"1262\"\u003ePart Number:\u003c\/strong\u003e 661-5315\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1274\" data-end=\"1316\"\u003e\n\u003cp data-start=\"1276\" data-end=\"1316\"\u003e\u003cstrong data-start=\"1276\" data-end=\"1292\"\u003eForm Factor:\u003c\/strong\u003e Proprietary Apple MXM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1317\" data-end=\"1374\"\u003e\n\u003cp data-start=\"1319\" data-end=\"1374\"\u003e\u003cstrong data-start=\"1319\" data-end=\"1341\"\u003eCompatible System:\u003c\/strong\u003e iMac 27-inch A1312 (Late 2009)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1375\" data-end=\"1411\"\u003e\n\u003cp data-start=\"1377\" data-end=\"1411\"\u003e\u003cstrong data-start=\"1377\" data-end=\"1390\"\u003eIncludes:\u003c\/strong\u003e OEM Apple heatsink\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1412\" data-end=\"1452\"\u003e\n\u003cp data-start=\"1414\" data-end=\"1452\"\u003e\u003cstrong data-start=\"1414\" data-end=\"1428\"\u003eCondition:\u003c\/strong\u003e Used – Tested working\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1454\" data-end=\"1457\"\u003e\n\u003ch3 data-start=\"1459\" data-end=\"1511\"\u003e✴️ \u003cstrong data-start=\"1466\" data-end=\"1509\"\u003eCompatibility \u0026amp; Additional Information:\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"1512\" data-end=\"1555\"\u003eCompatible with the following iMac model:\u003c\/p\u003e\n\u003cul data-start=\"1556\" data-end=\"1590\"\u003e\n\u003cli data-start=\"1556\" data-end=\"1590\"\u003e\n\u003cp data-start=\"1558\" data-end=\"1590\"\u003e\u003cstrong data-start=\"1558\" data-end=\"1588\"\u003eiMac 27\" A1312 — Late 2009\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1592\" data-end=\"1762\"\u003eWorks as a direct replacement for original GPU part numbers used in this generation.\u003cbr data-start=\"1676\" data-end=\"1679\"\u003e\nNot compatible with iMac Mid 2010 or Mid 2011 — these use different GPU versions.\u003c\/p\u003e\n\u003cp data-start=\"1764\" data-end=\"1784\"\u003eTesting Performed:\u003c\/p\u003e\n\u003cul data-start=\"1785\" data-end=\"1886\"\u003e\n\u003cli data-start=\"1785\" data-end=\"1811\"\u003e\n\u003cp data-start=\"1787\" data-end=\"1811\"\u003eBoot and display check\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1812\" data-end=\"1836\"\u003e\n\u003cp data-start=\"1814\" data-end=\"1836\"\u003eArtifact stress test\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1837\" data-end=\"1864\"\u003e\n\u003cp data-start=\"1839\" data-end=\"1864\"\u003eThermal stability check\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1865\" data-end=\"1886\"\u003e\n\u003cp data-start=\"1867\" data-end=\"1886\"\u003eFan response test\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1888\" data-end=\"1891\"\u003e\n\u003ch3 data-start=\"1893\" data-end=\"1912\"\u003e⚠️ \u003cstrong data-start=\"1900\" data-end=\"1910\"\u003eNotes:\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul data-start=\"1913\" data-end=\"2093\"\u003e\n\u003cli data-start=\"1913\" data-end=\"1976\"\u003e\n\u003cp data-start=\"1915\" data-end=\"1976\"\u003eThis is a legacy GPU made for a specific iMac architecture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1977\" data-end=\"2031\"\u003e\n\u003cp data-start=\"1979\" data-end=\"2031\"\u003eProfessional installation is strongly recommended.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2032\" data-end=\"2093\"\u003e\n\u003cp data-start=\"2034\" data-end=\"2093\"\u003eEnsure your model is A1312 (Late 2009) before purchasing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Apple","offers":[{"title":"Default Title","offer_id":53075389972846,"sku":"3525-G1","price":69.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/1799\/1022\/files\/57_cdfd3324-0f2d-4365-9b58-e7033f047e50.png?v=1765842178","url":"https:\/\/nextgenpcparts.com\/products\/apple-imac-27-a1312-2009-ati-radeon-hd-4850-512mb-gpu-661-5315-w-heatsink","provider":"nextgenpcparts.com","version":"1.0","type":"link"}