Is this a good pc build

your build looks like this
PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-7600K 3.8GHz Quad-Core Processor ($238.75 @ OutletPC)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.99 @ NCIX US)
Motherboard: MSI Z170A KRAIT GAMING 3X ATX LGA1151 Motherboard ($139.89 @ SuperBiiz)
Memory: G.Skill Ripjaws V Series 16GB (2 x 8GB) DDR4-2133 Memory ($106.88 @ OutletPC)
Storage: Sandisk SSD PLUS 120GB 2.5" Solid State Drive ($43.74 @ B&H)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($49.33 @ OutletPC)
Video Card: EVGA GeForce GTX 1070 8GB SC GAMING ACX 3.0 Black Edition Video Card ($379.99 @ Jet)
Case: Deepcool TESSERACT SW ATX Mid Tower Case ($36.99 @ SuperBiiz)
Power Supply: EVGA SuperNOVA NEX 650W 80+ Gold Certified Fully-Modular ATX Power Supply ($78.99 @ SuperBiiz)
Total: $1104.55
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-02-23 07:53 EST-0500


only thing I see is the motherboard should be a z270 not z170

should look like this
PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-7600K 3.8GHz Quad-Core Processor ($238.75 @ OutletPC)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.99 @ NCIX US)
Motherboard: MSI Z270 KRAIT GAMING ATX LGA1151 Motherboard ($159.99 @ B&H)
Memory: G.Skill Ripjaws V Series 16GB (2 x 8GB) DDR4-2133 Memory ($106.88 @ OutletPC)
Storage: Sandisk SSD PLUS 120GB 2.5" Solid State Drive ($43.74 @ B&H)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($49.33 @ OutletPC)
Video Card: EVGA GeForce GTX 1070 8GB SC GAMING ACX 3.0 Black Edition Video Card ($379.99 @ Jet)
Case: Deepcool TESSERACT SW ATX Mid Tower Case ($36.99 @ SuperBiiz)
Power Supply: EVGA SuperNOVA NEX 650W 80+ Gold Certified Fully-Modular ATX Power Supply ($78.99 @ SuperBiiz)
Total: $1124.65
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-02-23 07:55 EST-0500
 
Solution

Supahos

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PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-7600K 3.8GHz Quad-Core Processor ($238.75 @ OutletPC)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($27.88 @ OutletPC)
Motherboard: MSI Z270 TOMAHAWK ATX LGA1151 Motherboard ($133.98 @ Newegg)
Memory: G.Skill Ripjaws V Series 16GB (2 x 8GB) DDR4-3000 Memory ($99.99 @ Newegg)
Storage: PNY CS1311 120GB 2.5" Solid State Drive ($49.99 @ Best Buy)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($49.33 @ OutletPC)
Video Card: EVGA GeForce GTX 1070 8GB SC GAMING ACX 3.0 Black Edition Video Card ($379.99 @ Jet)
Case: Deepcool TESSERACT SW ATX Mid Tower Case ($36.99 @ SuperBiiz)
Power Supply: SeaSonic G 550W 80+ Gold Certified Semi-Modular ATX Power Supply ($59.99 @ Newegg)
Total: $1076.89
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-02-23 08:08 EST-0500

270 board for compatibility. Faster memory for cheaper, faster SSD (those SSD plus are not much faster than a hard drive in some cases) and a much better power supply