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Quad core upgrade CPUs & Computer Processor Upgrades

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Intel Xeon Dual Core Q9550 2.83 GHz CPU
 

Intel Xeon Dual Core Q9550 2.83 GHz CPU

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$250
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Intel Xeon Dual Core Q9550 2.83 GHz CPU
Leaders of the pack seeking monster performance, look no further. With four execution cores, the Intel Core 2 Quad processor blows through processor-intensive tasks in demanding multitasking environments and makes the most of highly threaded applications. Whether you're creating multimedia, annihilating your gaming enemies, or running compute-intensive applications at one time, new quad-core processing will change the way you do everything. Pioneer the new world of quad-core and unleash the power of multithreading.

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$250

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Intel BX80569Q9650 Q9650 Core 2 Quad 3.0 GHz CPU
 

Intel BX80569Q9650 Q9650 Core 2 Quad 3.0...

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$325
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Intel BX80569Q9650 Q9650 Core 2 Quad 3.0 GHz CPU
Leaders of the pack seeking monster performance, look no further. With four execution cores, the Intel Core 2 Quad processor blows through processor-intensive tasks in demanding multitasking environments and makes the most of highly threaded applications. Whether you're creating multimedia, annihilating your gaming enemies, or running compute-intensive applications at one time, new quad-core processing will change the way you do everything. Pioneer the new world of quad-core and unleash the power of multithreading.

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$325

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Intel BX80580Q9400 Core 2 Quad 2.66 GHz CPU
 

Intel BX80580Q9400 Core 2 Quad 2.66 GHz ...

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$180
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Intel BX80580Q9400 Core 2 Quad 2.66 GHz CPU
Intel Core 2 Quad Processor 9400 2.66 GHz 45nm, SSE4, HT Technology, 1333MHz FSB, 6 MB L2 cache, Intel EM64T, XD Bit, EIST, and LGA775 package

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$180

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OPEN BOX - HP 445575-B21 AMD Quad-core Opteron 2352 2.1 GHz 512 KB 2 MB L2 Processor Upgrade
 

OPEN BOX - HP 445575-B21 AMD Quad-core O...

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store rating:
$253.27

 

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OPEN BOX - HP 445575-B21 AMD Quad-core Opteron 2352 2.1 GHz 512 KB 2 MB L2 Processor Upgrade
OPEN BOX Product. 30-Day Money-Back Satisfaction Guarantee!
$253.27
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OPEN BOX - HP 447600-B21 AMD Third-Generation Opteron Quad-core 2356 2.3 GHz Processor Upgrade for HP ProLiant DL365 G5 Server
 

OPEN BOX - HP 447600-B21 AMD Third-Gener...

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store rating:
$265.25

 

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OPEN BOX - HP 447600-B21 AMD Third-Generation Opteron Quad-core 2356 2.3 GHz Processor Upgrade for HP ProLiant DL365 G5 Server
OPEN BOX Product. 30-Day Money-Back Satisfaction Guarantee!
$265.25
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Intel Xeon Quad-Core X3220 2.40GHz Processor
 

Intel Xeon Quad-Core X3220 2.40GHz Proce...

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$206
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Intel Xeon Quad-Core X3220 2.40GHz Processor
This industry's first quad-core processor for mainstream servers provides breakthrough performance and capabilities for the ultimate in powerful, dense and energy efficient servers. With the Quad-Core Intel Xeon processor you get breakthrough performance - up to 50% greater than the industry-leading Dual-Core Intel Xeon processor in the same power envelope.
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$206

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Intel Xeon DP Quad-core E5405 2GHz - Processor Upgrade
 

Intel Xeon DP Quad-core E5405 2GHz - Pro...

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$391.02

 

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Intel Xeon DP Quad-core E5405 2GHz - Processor Upgrade
2GHz - 1333MHz FSB - 12MB L2 - Socket J
$391.02
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Intel Xeon DP Quad-core E5450 3GHz - Processor Upgrade
 

Intel Xeon DP Quad-core E5450 3GHz - Pro...

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$1,396.50

 

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Intel Xeon DP Quad-core E5450 3GHz - Processor Upgrade
Intel Xeon DP Quad-core E5450 3GHz - Processor Upgrade
$1,396.50
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AMD Athlon II X4 630 2.8GHz Socket AM3 95W Quad-Core Processor
 

AMD Athlon II X4 630 2.8GHz Socket AM3 9...

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store rating:
$112.99

 

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AMD Athlon II X4 630 2.8GHz Socket AM3 95W Quad-Core Processor
AMD Athlon II X4 630 Propus 2.8GHz 4 x 512KB L2 Cache Socket AM3 95W Quad-Core Processor
$112.99
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Intel Core 2 Quad Q8400 2.66GHz Processor Upgrade
 

Intel Core 2 Quad Q8400 2.66GHz Processo...

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store rating:
$182.99

 

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Intel Core 2 Quad Q8400 2.66GHz Processor Upgrade
Intel Core 2 Quad Q8400 2.66GHz, 4MB L2 Cache, 1333MHz Bus Speed, Intel EM64T, Enhanced Intel Speedstep, Execute Disable Bit, Compatible with Socket 775.
$182.99
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Intel Intel Core 2 Quad Q8300 2.5GHz Processor Upgrade
 

Intel Intel Core 2 Quad Q8300 2.5GHz Pro...

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store rating:
$182.99

 

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Intel Intel Core 2 Quad Q8300 2.5GHz Processor Upgrade
Intel Core 2 Quad Q8300 2.5GHz, 4MB L2 Cache, 1333MHz Bus Speed, Compatible with LGA775 Socket.
$182.99
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Intel Quad-Core Xeon X5355 / 2.66 GHz processor Processor Upgrades
 

Intel Quad-Core Xeon X5355 / 2.66 GHz pr...

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starting at

$618
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Intel Quad-Core Xeon X5355 / 2.66 GHz processor Processor Upgrades
Cache 8 MB L2 - for IBM System x3500 7977, x3650 7979

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$618

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AMD HD9650WCGHBOX Phenom X4 9650 Quad-Core 2.3 GHz CPU
 

AMD HD9650WCGHBOX Phenom X4 9650 Quad-Co...

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starting at

$107
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AMD HD9650WCGHBOX Phenom X4 9650 Quad-Core 2.3 GHz CPU
Realize new possibilities for connecting with friends, family, and digital entertainment with the phenomenal performance of the AMD Phenom X4 series quad-core processor. Built from the ground up for true quad-core performance, AMD Phenom X4 processors speed through advanced multitasking, critical business productivity, advanced visual design and modeling, serious gaming, and visually stunning digital media and entertainment.

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$107

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Intel Xeon Quad Core E5420 2.5 GHz CPU
 

Intel Xeon Quad Core E5420 2.5 GHz CPU

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starting at

$336
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Intel Xeon Quad Core E5420 2.5 GHz CPU
This industry's first quad-core processor for mainstream servers provides breakthrough performance and capabilities for the ultimate in powerful, dense and energy efficient servers. With the Quad-Core Intel Xeon processor you get breakthrough performance - up to 50% greater than the industry-leading Dual-Core Intel Xeon processor in the same power envelope.

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$336

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HP Intel Xeon Quad-Core E5335 2.0GHz - Processor Upgrade
 

HP Intel Xeon Quad-Core E5335 2.0GHz - P...

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starting at

$614
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HP Intel Xeon Quad-Core E5335 2.0GHz - Processor Upgrade
Bus Speed: 1333 MHz - L2 Cache: 8 MB - For: HP ProLiant ML150 G3 Server

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$614

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HP Intel Xeon Quad-Core E5335 2.0GHz - Processor Upgrade
 

HP Intel Xeon Quad-Core E5335 2.0GHz - P...

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starting at

$639
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HP Intel Xeon Quad-Core E5335 2.0GHz - Processor Upgrade
This industry's first quad-core processor for mainstream servers provides breakthrough performance and capabilities for the ultimate in powerful, dense and energy efficient servers. With the Quad-Core Intel Xeon processor you get breakthrough performance - up to 50% greater than the industry-leading Dual-Core Intel Xeon processor in the same power envelope.and up to 150% better than the competition.

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$639

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HP Intel Xeon Quad-Core X5355 2.66GHz - Processor Upgrade
 

HP Intel Xeon Quad-Core X5355 2.66GHz - ...

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starting at

$1,076
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HP Intel Xeon Quad-Core X5355 2.66GHz - Processor Upgrade
This industry's first quad-core processor for mainstream servers provides breakthrough performance and capabilities for the ultimate in powerful, dense and energy efficient servers. With the Quad-Core Intel Xeon processor you get breakthrough performance - up to 50% greater than the industry-leading Dual-Core Intel Xeon processor in the same power envelope.and up to 150% better than the competition.

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$1,076

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Intel BX80580Q8200 Core 2 Quad Q8200 2.33 GHz CPU - Boxed Retail
 

Intel BX80580Q8200 Core 2 Quad Q8200 2.3...

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$149
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Intel BX80580Q8200 Core 2 Quad Q8200 2.33 GHz CPU - Boxed Retail
Leaders of the pack seeking monster performance, look no further. With four execution cores, the Intel Core 2 Quad processor blows through processor-intensive tasks in demanding multitasking environments and makes the most of highly threaded applications. Whether you're creating multimedia, annihilating your gaming enemies, or running compute-intensive applications at one time, new quad-core processing will change the way you do everything. Pioneer the new world of quad-core and unleash the power of multithreading.

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$149

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Intel Xeon Quad Core E5410 2.33 GHz CPU
 

Intel Xeon Quad Core E5410 2.33 GHz CPU

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starting at

$270
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Intel Xeon Quad Core E5410 2.33 GHz CPU
This industry's first quad-core processor for mainstream servers provides breakthrough performance and capabilities for the ultimate in powerful, dense and energy efficient servers. With the Quad-Core Intel Xeon processor you get breakthrough performance - up to 50% greater than the industry-leading Dual-Core Intel Xeon processor in the same power envelope.

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$270

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Intel Xeon Quad Core E5450 3.0 GHz CPU
 

Intel Xeon Quad Core E5450 3.0 GHz CPU

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starting at

$849
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Intel Xeon Quad Core E5450 3.0 GHz CPU
This industry's first quad-core processor for mainstream servers provides breakthrough performance and capabilities for the ultimate in powerful, dense and energy efficient servers. With the Quad-Core Intel Xeon processor you get breakthrough performance - up to 50% greater than the industry-leading Dual-Core Intel Xeon processor in the same power envelope.

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$849

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You'll find the best prices on Quad core upgrade in CPUs & Computer Processor Upgrades when you shop online at bizrate. Do all your comparison shopping for Intel, HP and AMD CPUs & Computer Processor Upgrades in one place. Compare models and see which online Computers & Software stores have the best merchant ratings. Make an informed decision on Quad core upgrade CPUs & Computer Processor Upgrades before you buy. bizrate will help you with all of your holiday gift shopping needs. Buy Intel Xeon Dual Core Q9550 2.83 GHz CPU or Intel BX80569Q9650 Q9650 Core 2 Quad 3.0 GHz CPU.