PA-1311-2A1 - 300W Power Supply for Apple 27" iMac A1419 2012 2013 2014 2015

300W Power Supply for Apple 27" iMac A1419 2012 2013 2014 2015 2017

300W internal power supply module for the 27" Apple iMac A1419. This unit replaces failing or weak PSUs in non-Retina and Retina 5K 27" iMacs from Late 2012 through Mid 2017. It is the 12-pin 300W board used in high-resolution, discrete-GPU configurations and is a direct drop-in replacement for the original supply.

Technical Specifications

• Part Number: 661-7170
• Wattage: 300W
• Input: 100–240V AC, 50–60Hz, up to 4A
• Output: 300W total (multi-rail DC for logic board and backlight power)
• AC Connector: Internal IEC inlet harness (to rear AC socket)
• DC Connector: 12-pin DC output to logic board (A1419 layout)
• Form Factor: Internal PSU board for 27" iMac A1419
• Cooling: Passive (chassis airflow)
• System Compatibility: 27" iMac A1419 (non-Retina and Retina 5K)

Interchangeable / Replacement Part Numbers
The following part numbers refer to the same 300W iMac 27" A1419 power supply and are interchangeable with this unit (300W, 12-pin, A1419 form factor):

• 661-7170, 661-7886, 661-03524, 661-12714, ADP-300AF T, PA-1311-2A, PA-1311-2A1, PA-1311-2A2

✅ Confirmed Compatibility

Please note that the following list is not exhaustive. Compatibility depends on your system’s specific configuration. It’s essential to verify compatibility with your exact iMac model identifier (About This Mac → System Report) and EMC code before installation.

✔️ Apple iMac 27" (Late 2012, A1419 – iMac13,2, EMC 2546): MD095LL/A, MD096LL/A and configured variants
✔️ Apple iMac 27" (Late 2013, A1419 – iMac14,2, EMC 2639): ME088LL/A, ME089LL/A and configured variants
✔️ Apple iMac 27" Retina 5K (Late 2014, A1419 – iMac15,1, EMC 2806): MF886LL/A and configured variants
✔️ Apple iMac 27" Retina 5K (Mid 2015, A1419 – iMac15,1, EMC 2806): MF885LL/A and configured variants
✔️ Apple iMac 27" Retina 5K (Late 2015, A1419 – iMac17,1, EMC 2834): MK462LL/A, MK472LL/A, MK482LL/A and configured variants
✔️ Apple iMac 27" Retina 5K (Mid 2017, A1419 – iMac18,3, EMC 3070): MNE92LL/A, MNEA2LL/A, MNED2LL/A and configured variants

☑️ Key Features
☑️ 300W high-capacity design to support 27" iMac A1419 Retina 5K and discrete-GPU configurations
☑️ Auto-sensing 100–240V input for worldwide use (ideal for international deployments)
☑️ 12-pin DC output and mounting pattern matched specifically to the 27" iMac A1419 chassis
☑️ Supports both non-Retina (2012–2013) and Retina 5K (2014–2017) 27" iMac models
☑️ Ideal for repairing iMacs with no-power, random shutdowns, or power-on / backlight failures traced to the PSU

⚙️ Fit Notes

• Designed only for 27" iMac A1419 systems listed above; it is not compatible with 21.5" iMac A1418, iMac Pro, or older 2009–2011 27" models.
• Always match by model identifier (iMac13,2 / 14,2 / 15,1 / 17,1 / 18,3), EMC code, and one of the interchangeable part numbers before ordering.
• This module uses a 12-pin DC connector to the logic board and a dedicated harness to the rear AC inlet; verify your original board has the same connector style and mounting points.