To begin, sorry for the wall of text but I am posting 3 different PC builds (Xidax, Ironside, and Digital Storm) and would like input on which would work best for me, all 3 are very similar. My goal is to run a gtx 1070 now to play the games I love on high settings (1080p) and eventually run two 1070s in SLI for 4k gaming. Will all of these builds allow me to do that? Which company and build would be best? I am new to gaming PCs and have done all the research I can on my own, I humbly request your help.
XIDAX (~$2150)
Case Annihilator
Motherboard Gigabyte Z170 Gaming 5 ATX
Processor Intel Quad Core™ i7-6700K Unlocked Processor ( Choose )
Memory Xidax Extreme DDR4 2400MHz Memory - 16GB ( 16GB (2x8GB) )
Power Supply Corsair CX750W Semi-Modular Power Supply
Optical Drive 24X DVD-RW Combo
Graphics Card NVIDIA GeForce GTX 1070 GPU ( Choose ) Sound Cards Onboard Audio HDD/SSD XIDAX Performance 256GB SSD ( 256GB SSD )
2nd HDD Western Digital Blue 1TB - 7200RPM 3.5" HDD ( 1TB HDD ) Sleeving Green Uni-Sleeved Cables ( 1 Graphics Card )
Case Lighting Purple LED Lighting Strip
CPU Cooling Xidax 570LX CPU Cooler CPU
Paste Premium CPU Thermal Paste - Lower Temps 5-10° C
GPU Paste Standard Graphics Card Thermal Paste
OS Windows 10 Home Premium 64-Bit
Anti-Virus Xidax Gaming Shield - Virus & Malware Protection
Support Lifetime U.S. based tech support and customer service by Xidax technicians
IRONSIDE (~$1900)
Case - NZXT Noctis 450 Black and Red
Processor - Intel Core i7-6700K 4.0GHz (Quad Core)
CPU Cooling - Asetek 570LX High Performance Liquid Cooling (240mm Radiator)
Thermal Compound - Arctic MX4 High Performance Thermal Compound
Motherboard - GIGABYTE GA-Z170X-Gaming 3 [2-Way SLI/XFire][Supports Overclocking] Memory - 16GB (2x8GB) DDR4 2133Mhz
Primary Hard Drive - Samsung 850 EVO 250GB SSD
Secondary Hard Drive - Western Digital 1TB Blue 7200RPM
Optical Drive - DVD Writer
Graphics Card - Nvidia Geforce GTX 1070 8GB
Power Supply - [Modular] Corsair Enthusiast Series RM750 750 Watt 80 Plus Gold
Operating System - Windows 10 64
[FREE] Professional Wiring - Cables will be organized to achieve maximum airflow
Technical Support - Life-time U.S. Based Technical Support
Warranty - Standard 5 Years Labor and 3 Years Parts Repair Shipping Coverage Plan – None
DIGITALSTORM (~$2150)
Chassis Model: Digital Storm Apollo (Black)
Processor: Intel Core i7 6700K 4.0GHz (Codename Skylake) (Unlocked CPU) (Quad Core) Motherboard: ASUS Z170 PRO GAMING (Intel Z170 Chipset) (Up to 5x PCI-E Devices)
System Memory: 16GB DDR4 2666MHz Digital Storm Certified Performance Series
Power Supply: 750W EVGA SuperNOVA
Optical Drive: DVD-R/RW/CD-R/RW (DVD Writer 24x / CD-Writer 48x) (Internal)
Storage Set 1: 1x SSD (250GB Samsung 850 EVO)
Storage Set 2: 1x Storage (1TB Seagate / Toshiba)
Graphics / Multimedia Graphics Card(s): 1x GeForce GTX 1070 8GB (NVIDIA Founders Edition) Cooling: H20: Stage 2: Digital Storm Vortex 240mm Radiator Liquid CPU Cooler
Cable Management: Premium Cable Management (Strategically Routed & Organized for Airflow) Chassis Fans: Standard Factory Chassis Fans
Technology Boost Processor: Standard Intel Turbo Boost 2.0 Automatic Overclocking
OS: Microsoft Windows 10 Home (64-Bit Edition)
Warranty: Life-time Expert Care with 3 Year Limited Warranty (3 Year Labor & 1 Year Part Replacement)
XIDAX (~$2150)
Case Annihilator
Motherboard Gigabyte Z170 Gaming 5 ATX
Processor Intel Quad Core™ i7-6700K Unlocked Processor ( Choose )
Memory Xidax Extreme DDR4 2400MHz Memory - 16GB ( 16GB (2x8GB) )
Power Supply Corsair CX750W Semi-Modular Power Supply
Optical Drive 24X DVD-RW Combo
Graphics Card NVIDIA GeForce GTX 1070 GPU ( Choose ) Sound Cards Onboard Audio HDD/SSD XIDAX Performance 256GB SSD ( 256GB SSD )
2nd HDD Western Digital Blue 1TB - 7200RPM 3.5" HDD ( 1TB HDD ) Sleeving Green Uni-Sleeved Cables ( 1 Graphics Card )
Case Lighting Purple LED Lighting Strip
CPU Cooling Xidax 570LX CPU Cooler CPU
Paste Premium CPU Thermal Paste - Lower Temps 5-10° C
GPU Paste Standard Graphics Card Thermal Paste
OS Windows 10 Home Premium 64-Bit
Anti-Virus Xidax Gaming Shield - Virus & Malware Protection
Support Lifetime U.S. based tech support and customer service by Xidax technicians
IRONSIDE (~$1900)
Case - NZXT Noctis 450 Black and Red
Processor - Intel Core i7-6700K 4.0GHz (Quad Core)
CPU Cooling - Asetek 570LX High Performance Liquid Cooling (240mm Radiator)
Thermal Compound - Arctic MX4 High Performance Thermal Compound
Motherboard - GIGABYTE GA-Z170X-Gaming 3 [2-Way SLI/XFire][Supports Overclocking] Memory - 16GB (2x8GB) DDR4 2133Mhz
Primary Hard Drive - Samsung 850 EVO 250GB SSD
Secondary Hard Drive - Western Digital 1TB Blue 7200RPM
Optical Drive - DVD Writer
Graphics Card - Nvidia Geforce GTX 1070 8GB
Power Supply - [Modular] Corsair Enthusiast Series RM750 750 Watt 80 Plus Gold
Operating System - Windows 10 64
[FREE] Professional Wiring - Cables will be organized to achieve maximum airflow
Technical Support - Life-time U.S. Based Technical Support
Warranty - Standard 5 Years Labor and 3 Years Parts Repair Shipping Coverage Plan – None
DIGITALSTORM (~$2150)
Chassis Model: Digital Storm Apollo (Black)
Processor: Intel Core i7 6700K 4.0GHz (Codename Skylake) (Unlocked CPU) (Quad Core) Motherboard: ASUS Z170 PRO GAMING (Intel Z170 Chipset) (Up to 5x PCI-E Devices)
System Memory: 16GB DDR4 2666MHz Digital Storm Certified Performance Series
Power Supply: 750W EVGA SuperNOVA
Optical Drive: DVD-R/RW/CD-R/RW (DVD Writer 24x / CD-Writer 48x) (Internal)
Storage Set 1: 1x SSD (250GB Samsung 850 EVO)
Storage Set 2: 1x Storage (1TB Seagate / Toshiba)
Graphics / Multimedia Graphics Card(s): 1x GeForce GTX 1070 8GB (NVIDIA Founders Edition) Cooling: H20: Stage 2: Digital Storm Vortex 240mm Radiator Liquid CPU Cooler
Cable Management: Premium Cable Management (Strategically Routed & Organized for Airflow) Chassis Fans: Standard Factory Chassis Fans
Technology Boost Processor: Standard Intel Turbo Boost 2.0 Automatic Overclocking
OS: Microsoft Windows 10 Home (64-Bit Edition)
Warranty: Life-time Expert Care with 3 Year Limited Warranty (3 Year Labor & 1 Year Part Replacement)