Apple 661-00676 | Motherboard (System Board) for MacBook Pro 15-inch MID-2014 16GB with i7-4870HQ 2.50GHz Processor

1. Processor: Intel Core i7-4870HQ 2.50GHz
2. Memory: 16GB DDR3L SDRAM
3. Graphics: Intel Iris Pro 5200 Graphics
4. Storage: PCIe-based flash storage (options of 256GB, 512GB, or 1TB)
5. Display: 15.4-inch Retina Display with a resolution of 2880x1800 pixels
6. Ports: 2x Thunderbolt 2 ports, 2x USB 3.0 ports, HDMI port, SDXC card slot, headphone jack
7. Wireless Connectivity: 802.11ac Wi-Fi, Bluetooth 4.0
8. Camera: 720p FaceTime HD camera
9. Audio: Stereo speakers, dual microphones, headphone port
10. Battery: 95-watt-hour lithium-polymer battery with up to 8 hours of wireless web browsing
11. Dimensions: 14.13 x 9.73 x 0.71 inches
12. Weight: 4.46 pounds

Helpful notes:
1. This motherboard is only compatible with the 15-inch MacBook Pro from mid-2014.
2. The PCIe-based flash storage provides faster read and write speeds compared to traditional hard drives.
3. The Retina Display has a high pixel density, making text and images appear sharper and more detailed.