I have an E5-2696v3 QS "QGN7" that I will sell for $777.
This is the functional equivalent to the OEM Production release silicon (same stepping) and is capable of achieving the all-core turbo work-around.
18 cores with an all-core turbo of up to 35x with the right cooling. Top speed (38x) with a 105 BCLK is 3990MHz (effectively 4GHz).
One sweet chip.
Denver, USA