System Build can be found at https://ca.pcpartpicker.com/p/ElcN 

Click on the computer part for more information

My Dream Computer

CPU

Intel Core i7-3770K $319.99 The CPU stand for Central Processing Unit It is the "brain" of the computer and most important part It does all the calculations of the computer I picked this CPU because it was 29% off and it's one of the fastest CPU's on the market under 400$. It has pretty good...

CPU COOLER

Zalman CNPS9500 AT $44.99 A CPU cooler is a device that draws heat away from the CPU CPU coolers come in heatsinks, fans or water cooling systems I decided to not use the stock cooler that comes with the cpu because stock coolers usually aren't very good and I want to keep my CPU cool at...

Motherboard

ASRock Z77 Extreme4 $114.99 The motherboard is the main circuit board of the computer You attach most computer parts onto the motherboard like Graphics card, ram, cpu. The motherboard makes everything in your computer work together I chose this motherboard because it was $50 off and it...

Memory

Gskill Ripjaws X series 8GB $59.99 internal storage areas in the computer RAM is the most common type of memory stands for Random Access Memory RAM  is the memory that programs use to run I chose this ram because Gskill is a good brand and we don't really need more than 8GB ram at this...

HDD

Seagate Barracuda 1.5TB $77.79 The Hard drive is a storage device used by computers You can store data files, music, video, etc on the hard drive Everything you download is initially stored on the hard drive uses magnetic disks to store data I bought this hard drive because it was the...

SSD

Samsung 840 pro 256gb $239.99 Stands for Solid State Drive Storage device that uses flash memory unlike a hard drive it has no moving parts much faster than a hard drive SSD's are one of the best way to upgrade your computer right now because they are better than hard disks in all ways and...

Video Card

2x Asus Radeon HD 7970 $685 A device that converts digital signals from your CPU into images that you can see on your display better video card = better graphics I bought 2 video cards because video cards are the most important part to buy for a gaming pc. Running 2 7970s will let me...

Case

Cooler Master HAF X $169.98 The computer case is what you put all the computer parts in It serves as a container and protects the computer components I bought this case because I needed a large case that will fit 2 7970s. It was also rated highly and looks cool.  

Power Supply

Corsair Professional HX850W $139.99 a device that sends power to the computer components so they can run I bought a corsair power supply because they are very reliable and highly acclaimed. 850w should be enough power and leave some room for overclocking

Optical Drive

Lite-On iHAS124-04 DVD/CD Writer $17.99 A device that reads and writes dvd/cds I bought a cheap and good rated optical drive because it's not very important for a gaming pc.

Operating System

Microsoft Windows 7 Home Premium SP1 64bit $99.99 The Operating System is a program that allows the user to interact with the computer and run other programs Most important program on the computer Without the OS you cannot access other functions of the computer and won't be able to open apps,...

Monitor

BenQ XL2420T  1080p LCD $349.99 A screen that displays signals sent by the computer Allows the user to see images and interact with the computer I chose this monitor because it is specially made for gaming. It has a low response time of 2ms which is helpful for gaming, a high refresh rate...

Keyboard

Microsoft SIDEWINDER X4 $49.99 A device that lets you operate the computer along with the mouse allows you to type words and data onto the computer I bought this keyboard because it is designed as a gaming keyboard and mechanical keyboards are too expensive

Mouse

Logitech G9x $64.99 A device that allows you to control the cursor on your display Allows you to interact with the display and operate the computer I bought this mouse because it is a very good gaming mouse, that is almost entirely customisable with high DPI and good accuracy/precision.

Speakers

Creative Inspire T10 $49.99 A device that converts signals sent by your sound card into sound waves I bought these speakers because they are a good price and have good feedback

Network Adapter/Sound Card

Network Adapter: a device you attach onto your motherboard which gives your computer the capability to connect to the internet Sound Card: a device that you attach onto your motherboard which allows you to use audio devices for your computer  I will use the onboard network adapter/sound...

Total Price

$2481.46