Can anyone help?

[JimmyWithDatCupofH20]

   Hello to anyone that might help. I'm trying to build my first gaming PC and i was wondering if what i have is good to build. If there is any suggestions please i would love to know them considering that i'm new to this and i don't want to miss up or waste my money in the process. I'm thinking i should change the graphics card to a 1060 so its not so expensive and build my way up. Also i don't know what battery to get for this. I know that they're websites for that kinda thing but i don't know if they are accurate. Besides from those two things i like how the rest of items look but again if there is any suggestions you have please swing them my way, it'll help a lot. Thank you fro taking the time to help.  
Case: MasterBox Q300L mATX Case w/ Magnetic Design Dust Filter, Transparent Acrylic Side Panel, Air Flow Performance by Cooler Master  $45.26
Motherboard: ASUS ROG Strix Z370-E Gaming LGA 1151 (300 Series) Intel Z370 HDMI SATA 6Gb/s USB 3.1 ATX Intel Motherboard  $193.99 
CPU: Intel Core i7-8700K Coffee Lake 6-Core 3.7 GHz (4.7 GHz Turbo) LGA 1151 (300 Series) 95W BX80684I78700K Desktop Processor Intel UHD Graphics 630  $379.99
RAM: CORSAIR Vengeance LPX 16GB (2 x 8GB) 288-Pin DDR4 SDRAM DDR4 3000 (PC4 24000) Memory Kit Model CMK16GX4M2B3000C15  $149.99
Cooling: Cooler Master MasterLiquid 240 AIO CPU Liquid Cooler, White Led Pump, Robust Sleeved FEP Tubing, Dual 120mm Air Balance MF, Dual Chamber Technology  $94.99
Hard Drive: WD Black 4TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD4005FZBX $184.99
Solid State Drive: SAMSUNG 860 EVO Series 2.5" 500GB SATA III V-NAND 3-bit MLC Internal Solid State Drive (SSD) MZ-76E500B/AM
Graphics Card: ASUS ROG GeForce GTX 1080 Ti DirectX 12 STRIX-GTX1080TI-11G-GAMING 11GB 352-Bit GDDR5X HDCP Ready SLI Support Video Card  $809.99

[lmeneses]

is your mobo an atx and your case a micro atx?

[Derrk]

welcome to the forum. I recommend making your list using https://pcpartpicker.com/. It will tell you if you have any compatibly issues, as well as find decent prices for you

 

As far as your components go, you can definitely find a 1080ti for less than what you have listed here, i would check ebay for listings.

As @lmeneses pointed out, you want to make sure you have a motherboard that fits in your case.

For a "battery", or power supply, I'd suggest anything over 600 watts will more than suffice. 

For the cpu cooler, I've heard mixed things about coolermaster AIOs. For your first build, i might recommend sticking to an air cooler.

 

[OneJutsuMan]

Your Mobo wont fit in the case

[Spotty]

I recommend using PCPartPicker for doing a parts list, as it's a good way to find parts and it will also alert you if there are some issues with your build, such as has been pointed out with your motherboard being too large to fit in your chosen case.

I have started you off by pre-filling your chosen parts in to a PCPartPicket list. You can edit the list yourself by clicking the link for the list at the top of the list, and then on the PCPartPicker website clicking the "Edit This Part List" button in the top right hand corner of the list. The list excludes the Q300L case as it is not compatible with your build. If you wish to use the Corsair Q300L as your case, we can choose a new motherboard that will fit for you instead.

 

PCPartPicker part list / Price breakdown by merchant

CPU: Intel - Core i7-8700K 3.7GHz 6-Core Processor  ($369.99 @ Amazon)
CPU Cooler: Cooler Master - MasterLiquid ML240L RGB 66.7 CFM Liquid CPU Cooler  ($59.99 @ Amazon)
Motherboard: Asus - ROG STRIX Z370-E GAMING ATX LGA1151 Motherboard  ($197.88 @ OutletPC)
Memory: Corsair - Vengeance LPX 16GB (2 x 8GB) DDR4-3000 Memory  ($149.99 @ Amazon)
Storage: Samsung - 860 Evo 500GB 2.5" Solid State Drive  ($97.99 @ Amazon)
Storage: Western Digital - Black 4TB 3.5" 7200RPM Internal Hard Drive  ($184.89 @ OutletPC)
Video Card: Asus - GeForce GTX 1080 Ti 11GB STRIX GAMING Video Card  ($809.89 @ OutletPC)
Total: $1870.62
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-09-21 16:55 EDT-0400

 

59 minutes ago, JimmyWithDatCupofH20 said:

I'm thinking i should change the graphics card to a 1060 so its not so expensive and build my way up. Also i don't know what battery to get for this. I know that they're websites for that kinda thing but i don't know if they are accurate.

What monitor are you planning on using with this system? A GTX1080ti is a great card for 1440p or 4k, or high refresh rate monitors, but if you are using a standard 1080p 60hz monitor then it will be wasted and you will get the same experience with a lower card, such as the GTX 1060 you mentioned.

 

For your power supply with the current planned system I will recommend you a good quality 550W unit. I'll help you pick a specific unit after we've looked at some of the other parts in your system, such as whether or not you want to go with the GTX1080ti.

Do you have a budget for this build?

Will you be buying a new monitor (screen) to go with this computer?

Do you need to buy things such as keyboards and mice as well?

[JimmyWithDatCupofH20]

Thank you all for replying and i switched my case to a mid tower atx to support my motherboard. Im going to get a ASUS ROG 1070Ti or a 1060Ti with a Curved Samsung Screen that has a 26.9" 2560x1440 144Hz and ima get a 550W battery. For the rest of the stuff like memory, both of the storage, motherboard, and cooler are probably going to be the same. I'm going to do all my buying from the site PCPartPicker thank you for suggesting that it helps a lot. 

[Spotty]

What's your budget for the computer? 

 

Do you also need things such as keyboard, mouse, speakers/headset?