The listing, Butterfly Labs Bitcoin Miner - 5.3+/- GH - mint condition has ended.
I have mined this for several months, it averages 5.3 GH.
Comes with original Box and all original items.
Please message me afterwards if you need help installing and running or even knowledge about Bitcoin.
BFL SITE:
Processing Power: These units will perform at 5.0 GH/s or more
Included accessories: USB Cable and Power Cord
Plug the USB cable into a host computer and run the supplied software. Additional Bitforce SC products can be added to the chain via a USB hub for linear performance multiplication with no overhead cost. Each additional unit is auto-configured and folded into the workforce without any user intervention required.
Weight: 1 lb. 5.5 oz
Dimensions: 4" x 4" x 3" high
Warranty: This unit’s system board has a
lifetime warranty from manufacture defect
or component failure.