Ditched the DFI X58 T3eH8 and got the EVGA Classified.

Here is 4.4GHz (shows 4.2 due to turbo), 3.6GHz Uncore and 1.65GHz memory on the x64/SSE3 binary:

Code:
Begin Computation:

Computing: Pi

Algorithm: Chudnovsky Formula

Summing Series:
Time:    6.339 seconds  ( 0.002 hours )
InvSqrt...
Time:    0.335 seconds  ( 0.000 hours )
Final Multiply...
Time:    0.158 seconds  ( 0.000 hours )

Compute Pi Time: 6.833 seconds  ( 0.002 hours )

Constructing Base Conversion Table:
Time:    0.475 seconds  ( 0.000 hours )
Base Converting (Primary Cutting Parameters):
Time:    1.575 seconds  ( 0.000 hours )

Writing Decimal Digits:   25,000,001  digits written


Total Computation Time:  8.886 seconds  ( 0.002 hours )



Benchmark Successful. The digits appear to be OK.

Program Version:    0.3.2 Alpha Build 6953 (fix 1) (x64 SSE3)
Processor(s):       Intel(R) Core(TM) i7 CPU 920 @ 2.67GHz
CPU Frequency:      4,190,005,359 Hz  (frequency may be inaccurate)
Thread(s):          8
Digits:             25,000,000
Total Time:         8.8856 seconds
Checksum:           1c81bbd4c3983fa20937e66c692cdb33
Code:
Begin Computation:

Computing: Pi

Algorithm: Chudnovsky Formula

Summing Series:
Time:    13.989 seconds  ( 0.004 hours )
InvSqrt...
Time:    0.637 seconds  ( 0.000 hours )
Final Multiply...
Time:    0.335 seconds  ( 0.000 hours )

Compute Pi Time: 14.962 seconds  ( 0.004 hours )

Constructing Base Conversion Table:
Time:    0.923 seconds  ( 0.000 hours )
Base Converting (Primary Cutting Parameters):
Time:    3.368 seconds  ( 0.001 hours )

Writing Decimal Digits:   50,000,001  digits written


Total Computation Time:  19.257 seconds  ( 0.005 hours )



Benchmark Successful. The digits appear to be OK.

Program Version:    0.3.2 Alpha Build 6953 (fix 1) (x64 SSE3)
Processor(s):       Intel(R) Core(TM) i7 CPU 920 @ 2.67GHz
CPU Frequency:      4,190,005,871 Hz  (frequency may be inaccurate)
Thread(s):          8
Digits:             50,000,000
Total Time:         19.2569 seconds
Checksum:           b5d98352d1a01c7b08e6c562c61b1681
Code:
Begin Computation:

Computing: Pi

Algorithm: Chudnovsky Formula

Summing Series:
Time:    30.866 seconds  ( 0.009 hours )
InvSqrt...
Time:    1.269 seconds  ( 0.000 hours )
Final Multiply...
Time:    0.677 seconds  ( 0.000 hours )

Compute Pi Time: 32.813 seconds  ( 0.009 hours )

Constructing Base Conversion Table:
Time:    1.801 seconds  ( 0.001 hours )
Base Converting (Primary Cutting Parameters):
Time:    7.341 seconds  ( 0.002 hours )

Writing Decimal Digits:   100,000,001  digits written


Total Computation Time:  41.962 seconds  ( 0.012 hours )



Benchmark Successful. The digits appear to be OK.

Program Version:    0.3.2 Alpha Build 6953 (fix 1) (x64 SSE3)
Processor(s):       Intel(R) Core(TM) i7 CPU 920 @ 2.67GHz
CPU Frequency:      4,190,005,407 Hz  (frequency may be inaccurate)
Thread(s):          8
Digits:             100,000,000
Total Time:         41.9623 seconds
Checksum:           3ce11a173665c33b075c7f12f712e89c
Code:
Begin Computation:

Computing: Pi

Algorithm: Chudnovsky Formula

Summing Series:
Time:    87.054 seconds  ( 0.024 hours )
InvSqrt...
Time:    3.123 seconds  ( 0.001 hours )
Final Multiply...
Time:    1.724 seconds  ( 0.000 hours )

Compute Pi Time: 91.902 seconds  ( 0.026 hours )

Constructing Base Conversion Table:
Time:    4.640 seconds  ( 0.001 hours )
Base Converting (Primary Cutting Parameters):
Time:    20.603 seconds  ( 0.006 hours )

Writing Decimal Digits:   250,000,001  digits written


Total Computation Time:  117.163 seconds  ( 0.033 hours )



Benchmark Successful. The digits appear to be OK.

Program Version:    0.3.2 Alpha Build 6953 (fix 1) (x64 SSE3)
Processor(s):       Intel(R) Core(TM) i7 CPU 920 @ 2.67GHz
CPU Frequency:      4,190,005,727 Hz  (frequency may be inaccurate)
Thread(s):          8
Digits:             250,000,000
Total Time:         117.163 seconds
Checksum:           57109bb3167de5e60a525a0210a665ba