Reusenoise has released a sample pack featuring a collection of power chords played on a Gibson Les Paul.
Power chords multisampled played on a 1996 Gibson LP Studio with a Seymor Duncan bridge pickup.
The chord start from E maj to D maj, all chords was recorded through an old Yamaha mixer and completly dry, so you can reamp with you preferred amp sim.
The free sample pack is available in Wav and sfz format (44.1kHz/24bit).
More information: Reusenoise