Computer Build

[TheLegendaryJames]

So I am thinking about building a computer. This will be my first time so I can't get any noobier. I just want to know if all the components are compatible. So here it is:
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Case: Diablotek REACTION CPA-8817D3 Black INSIDE BLACK Steel ATX Mid Tower Computer Case USB 3.0 max VGA LONG CARD

CPU: Intel Core i7-3820 Sandy Bridge-E 3.6GHz (3.8GHz Turbo Boost) LGA 2011 130W Quad-Core Desktop Processor BX80619i73820

GPU: ASUS HD7750-1GD5-V2 Radeon HD 7750 1GB 128-bit GDDR5 PCI Express 3.0 x16 HDCP Ready Video Card

Memory: AMD Entertainment Edition 4GB 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10600) Desktop Memory Model AE34G1339U2

Motherboard: ASUS P9X79 LGA 2011 Intel X79 SATA 6Gb/s USB 3.0 ATX Intel Motherboard with UEFI BIOS

Power Supply: Diablotek DA Series PSDA250 250W ATX Power Supply

Optical Drive: ASUS Black Blu-ray Drive SATA Model BC-12B1ST/BLK/B/AS - OEM

Storage: Seagate Barracuda ST320DM000 320GB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard Drive
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So thats all. I may change the power supply and case soon. If you have had any of these parts before I'd like to hear your opinion on any of them. And I want to know if these will all work if I am able to build a computer. Thanks in advance if anybody bothers with this post.