You've done a good job choosing your components for a medium power setup. Just a couple of suggestions:
>Remember this is a Micro ATX mobo, so there will be limited physical room for expansion. For example, adding a video card later may take up the slot next to it as well room-wise, so bear that in mind.
RAM: Cheapest 2x4GB set at the store
Be very careful about this; what you save in money you may make up for in sweat and curses later with cheap memory. I am not suggesting you go out and buy the most expensive name-brand, but memory is the single most worked component besides the CPU. Even the hard drive spins down occasionally and rests.
>For what you are building and what it will be used for, 550 Watts is fine. Purchase higher if you can afford it. Most units are far over-powered now, and this unit will not be used for extreme functions. What I would be more concerned with is how many actual power cables are available for peripherals. I have seen power supplies with only four (4) power connectors. Two (2) I will use for the HD and DVD. Now, I want to add two internal hard drives and one extra DVD drive. Well, I can't because I only have 4 power cables, so I am forced to start adding splitters, etc.
WHY would I need 2 extra internal hard drives, someone asks? Because I have one for backup for all my project files so that it saves automatically to that drive every so many minutes (many graphics programs can be configured to do this), and I have Windows8 on the other drive because I want to learn it and there are features I like.
And why an extra DVD drive? Safety check. DVD drives have a bad habit of suddenly failing without warning. So....I am working on a project due tomorrow morning and my instructor does not accept late turn-ins. My DVD drive suddenly will not read my clipart and photo collection and I need 4 more to complete, and it is 11:30PM. So all I do is pop the CD out of the bad drive, and slam it into the other drive and continue on to finish my project.
>Compare your retail store prices with Newegg.com. Here are links to a couple of your component choices for price comparisons:
BTW: Bang for the buck, I have found Rosewill and Apevia products are well made and reasonably priced. The only annoyance with Apevia is that they install the USB ports upside down. I don't know why.
Be sure to read the users' reviews, it can give you fore-warning if there are common problems with a certain component. You can use Newegg for this even if you don't decide to buy from them. Amazon is the same thing. Some of these may have free shipping (you will have to wait a few days but...free is good) and no tax, depending on where you live. Pretty hard to beat that. I have been using Newegg for years with not one problem. You usually have 30 days to decide if you don't want it. FYI.....call their toll-free number and speak to a rep if you have a legitimate problem (eg: a component tests bad), and they always waive any restocking fee and usually email you a prepaid shipping lable. I do it all the time. No, no, no, I don't work for Newegg.
If you are interested, Here is a link to a pinned post that I set up on building with the least amount of headaches.
WIsh you the best!