5 - 30 minutos
Over the years, the 320 GB hard drive in my trusty, late 2008 15" had become noisy, slow - and almost full, so I ordered a 500 GB including the few tools required.
The guide was more than sufficient, even for someone with limited experience. The physical exchange of the two drives was very quick. Installing OS X on the new drive was also easy. After restoring from Time machine backup, the old MacBook was again up and running, faster than before.
I had forgot to order the adapter from hard drive connector to USB, luckily I had the correct one from an earlier project (the white, not the black, in the picture).
500 GB 5400 RPM 2.5" Hard Drive
T6 Torx Screwdriver
Phillips #00 Screwdriver