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System Builder Software

Building your own computer? Don't forget to shop our DIY System Builder Software Store for all the essential software you will need to build the ultimate computer.

Computer Components

CPUs, motherboards, memory, video cards, hard drives, power supplies, sound cards, cases & cooling

Upgrade Your PC for Call of Duty Modern Warfare 2

Take Your Games to a Whole New Level with ATI's Radeon HD 5000 Series GPU

Experience riveting high-definition gaming with ATI's Radeon HD 5000 Series graphics processors. Expand your visual real estate across up to three displays with ATI Eyefinity technology, and enjoy support for Microsoft DirectX 11 in Windows 7.

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Most Popular Computer Cases

Cooler Master HAF 932 High Air Flow ATX Full Tower Case...

$139.99

Antec Three Hundred Gaming Case External 3 X 5.25...

$70.99 $44.99

Cooler Master RC-922M-KKN1-GP HAF 922M ATX Mid Tower Case

$109.99 $89.33

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Get Intelligent Performance with Intel's New P55 Chipset

Introducing Intel's New P55 Chipset and Core Processors

Check out our latest P55 motherboards and DDR3 memory specifically designed for Intel's latest processors. Choose a motherboard, memory kit, and the Intel processor of your choice to start building your dream system today.

Western Digital Gives You the Power of Choice

WD Caviar Green - these drives support external storage devices; use less power; and support quieter, cooler-running desktop PCs

WD Caviar Blue - these drives offer a full range of features, versatile performance, and reliability in everyday computing

WD Caviar Black - these drives pull out all the stops for power users who crave high capacity, low overhead, and maximum performance

30% Off Computer Components

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Customer Discussions in Computer Components

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Iomega Home Media Center Gift Ideas

Iomega offers great ways to store, protect, and share your digital memories and media with your family and friends.

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New Verbatim Insight and CLŌN Portable Drives

Always see your drive's available free space with Verbatim Insight's always-on screen. Or for ultimate portability and simplicity choose Verbatim's CLŌN drives.

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USB Flash Drives Under $20

Transfer and share documents between computers easily with a compact USB flash drive. Shop all of our best USB flash drives under $20.

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Intel High-Performance Solid-State Drives

Unlike traditional hard drives, solid-state drives have no moving parts, resulting in a quiet, cool, and highly rugged storage solution that also offers faster system performance.

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Bestsellers

Electronics: Motherboards

Updated hourly

	1. 386 days in the top 100 GIGABYTE GA-EP45-UD3P LGA 775 Intel P45 ATX Intel… Gigabyte $156.00 $129.99
	2. Ranking has gone up in the past 24 hours 359 days in the top 100 EVGA 132-BL-E758-A1 X58 3-Way SLI Core i7… EVGA $349.99 $284.99
	3. Ranking has gone up in the past 24 hours 368 days in the top 100 ASUS Rampage II Extreme LGA1366 Intel X58 DDR3-160… Asus $409.00 $359.99
	4. Ranking has gone up in the past 24 hours 355 days in the top 100 Gigabyte GA-G31M-ES2L S-Series Easy Energy Saver… Gigabyte $62.22 $52.89
	5. 54 days in the top 100 ASUS LGA1156 Intel P55 DDR3 - 2133 ATX… Asus $149.00 $146.99

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Bestsellers

Electronics: Hard Drives

Updated hourly

	1. 349 days in the top 100 Western Digital Elements 1 TB USB 2.0 Desktop… Western Digital $99.99
	2. 456 days in the top 100 Iomega Prestige 1 TB USB 2.0 Desktop External… Iomega $170.99 $96.10
	3. 146 days in the top 100 Toshiba 500 GB USB 2.0 Portable Hard Dive… Toshiba $129.99 $109.99
	4. 125 days in the top 100 Toshiba 320 GB USB 2.0 Portable External Hard… Toshiba $99.99 $69.88
	5. Ranking has gone up in the past 24 hours 345 days in the top 100 LaCie d2 Quadra Hard Disk 1 TB eSATA/FireWire 800/… LaCie $174.99 $151.98

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Bestsellers

Electronics: Graphics Cards

Updated hourly

	1. 440 days in the top 100 EVGA 01G-P3-N945-LR GeForce 9400 GT 1GB DDR2 PCI-E… EVGA $81.99 $54.99
	2. 56 days in the top 100 XFX RADEON HD 5850 1 GB DDR5 PCI Express Card… XFX $319.99 $266.72
	3. 475 days in the top 100 Hauppauge WinTV-HVR-950Q TV Tuner Stick/Personal… Hauppauge $99.99 $69.99
	4. Ranking has gone up in the past 24 hours 285 days in the top 100 EVGA 512-A8-N403-LR GeForce 6200 LE 512MB DDR2… EVGA $59.99 $45.98
	5. 373 days in the top 100 PNY VCGFX522PEB GeForce FX 5200 256MB VGA + VGA… PNY $56.99 $38.99