what is the max memory for macbook pro 2011

Full-size backlit keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted “T” arrangement).

HDMI audio and video output using a third-party Mini DisplayPort to HDMI Adapter.Dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter supports 30-inch Apple Cinema HD Display (optional).VGA output using Mini DisplayPort to VGA Adapter (optional).DVI output using Mini DisplayPort to DVI Adapter (optional).Dual display and video mirroring: Simultaneously supports full native resolution on the built-in display and up to 2560 by 1600 pixels on an external display, both at millions of colors.Intel HD Graphics 3000 with 384MB of DDR3 SDRAM shared with main memory 5.13.3-inch (diagonal) LED-backlit glossy widescreen display with support for millions of colors.Meets ENERGY STAR Version 5.2 requirements.Highly recyclable aluminum and glass enclosure.MacBook Pro is designed with the following features to reduce its environmental impact: Support for Apple iPhone headset with microphone.Combined headphone/line in (supports digital output).Bluetooth 2.1 + EDR (Enhanced Data Rate) wireless technology.

Wi-Fi wireless networking 2 (based on IEEE 802.11n specification) IEEE 802.11a/b/g compatible.

What is the max memory for macbook pro 2011