320GB or 500GB Hard drive or 128GB, 256GB, or 512GB SSD.13.3-inch (diagonal) LED-backlit glossy widescreen display with support for millions of colors.Battery: The battery is certainly replaceable, even though Apple doesn't consider it to be 'user serviceable.' See the Battery Replacement guide above for complete replacement information.When installed, your additional hard drive will mount on your desktop just like an external hard drive. The optical drive can easily be replaced with a second hard drive or SSD using an optical bay hard drive enclosure. Additional Storage: With the growing popularity of flash memory and cloud storage, you may find yourself rarely using the SuperDrive in your MacBook Pro.Be advised, at the moment you need to use a piece of software to enable trim, called Trim Enabler-this involves some risk.

For a full list of available upgrade options, check out our selection of MacBook Pro 13' Unibody Early 2011 hard drives. You can easily upgrade the drive to 750 GB, 1 TB or a lightning-fast solid state drive.

Hard Drive: 320 or 500 GB hard drives came standard with the Early 2011 MacBook Pro 13' Unibody.

You can upgrade to any combination of two 4 GB or 8 GB modules for 8, 12, or 16 GB of total RAM. If your MacBook Pro is still running with only the stock RAM, upgrading will provide a dramatic performance boost. Memory: The MacBook Pro 13' Unibody Early 2011 comes with 4 GB RAM standard, and accepts a maximum of 16 GB.There are a number of components in the MacBook Pro 13' Unibody Early 2011 that can be cost effectively upgraded.

Memory for macbook pro 2011 16gb