Intel Core 2 Extreme QX9775
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Specifications
Codename: Yorkfield Clock Speed: 3200 MHz
Base clock: 1600 MHz Multiplier: 8x
Package: FC-LGA6 Socket: Intel Socket 771  ?
Process Size: 45nm Voltage: 1.35 V
Transistor count: 820M TDP: 150 W
# of cores: 4 SMP # CPUs: 1
Cache L1: 128 KB Cache L2: 12288 KB
Cache L3: 0 KB Die size: 2x 107 mm²
Turbo: N/A Integrated Graphics: N/A
Released: Mar 2008 Part #: EU80574XL088N
Features: MMX, SSE, SSE2, SSE3, SSE4.1, EIST, Intel 64, iAMT2, Intel Virtualization Technology, LaGrande Technology
Being an Extreme Edition processor, it features an unlocked FSB multiplier that allows users to set the multiplier value above its shipped value.

Unlike the QX9770, this chip uses the LGA-771 socket and is only compatible with Intel D5400XS "Skulltrail", and supports dual-socket operation, for two of these chips to function in tandem.

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