Apple 661-4984 | iMac 20IN 2.66GHz Logic Board Socket 478

Technical Specifications:
- Processor: 2.66 GHz Intel Core 2 Duo
- Socket Type: LGA 775/Socket T
- Chipset: NVIDIA GeForce 9400M
- Memory Type: DDR3 SDRAM
- Maximum Memory Supported: 8 GB
- Number of Memory Slots: 2
- Audio: Built-in stereo speakers, Built-in microphone, Optical digital audio output/headphone out, Optical digital audio input/audio line in
- Video: NVIDIA GeForce 9400M graphics processor with 256MB of DDR3 SDRAM shared with main memory
- Expansion Slots: One Mini DisplayPort, Four USB 2.0 ports, One FireWire 800 port, SDXC card slot
- Networking: Built-in 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
- Bluetooth: Bluetooth 2.1 + EDR (Enhanced Data Rate) wireless technology
- Wi-Fi: Built-in AirPort Extreme Wi-Fi wireless networking (based on IEEE 802.11n draft specification)

Helpful Notes:
- This logic board is compatible with the 20-inch iMac model released in 2009.
- The NVIDIA GeForce 9400M graphics processor provides high-quality video playback and supports external displays up to 2560x1600 resolution.
- The Mini DisplayPort allows you to connect an external display or projector with ease.