MacBook Pro 13" Unibody Early 2011
1 TB SSD Hybrid 2.5" Hard Drive
SATA 6.0 Gb/s interface for Intel Macs / Solid State Drive Hybrid, 5400 RPM / 2.5" wide x 9.5mm tall / 1 TB Unformatted
500 GB 5400 RPM 2.5" Hard Drive
Replacement or upgrade hard drive compatible with all MacBooks, MacBook Pros, Intel Mac minis, and Sony PS3 and PS3 Slim game consoles. SATA interface for Intel Macs / 2....
500 GB SSD Hybrid 2.5" Hard Drive
SATA 6.0 Gb/s interface for Intel Macs / Solid State Drive Hybrid, 5400 RPM / 2.5" wide x 9.5mm tall / 500 GB Unformatted
1 TB 5400 RPM 2.5" Hard Drive
Replace a broken, malfunctioning, or otherwise underwhelming hard drive in your system with the 1 TB 5400 RPM 2.5" Toshiba hard drive.
256 GB SSD
SATA interface for Intel Macs / 2.5" wide x 9.5mm tall / 256 GB Unformatted / Solid State Drive
In February 2011, Apple refreshed the 13" MacBook Pro line by changing to the Intel HD Graphics 3000, increasing VRAM to 384 MB, and upgrading to Core i5 and Core i7 processors with PC3-10600 RAM. The Mini DisplayPort was also replaced (but still backwards compatible) with the new Thunderbolt standard allowing 10 Gbps transfer speeds in both directions.
The most common repairs with the MacBook Pro 13" Unibody for Early 2011 are replacing a dead battery or upgrading the hard drive or RAM. This model can use two 8 GB RAM chips for a total of 16 GB to maximize the performance of this notebook.
Once you've bought your parts and tools, check out iFixit's MacBook Pro 13" Unibody for Early 2011 repair guides for step-by-step instructions on how to make the fix.