Are all these parts compatible with one another?

Here is a much faster pc

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i3-4130 3.4GHz Dual-Core Processor ($124.99 @ Newegg)
Motherboard: MSI H97 Guard-Pro ATX LGA1150 Motherboard ($98.99 @ Mac Mall)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($79.99 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($54.43 @ OutletPC)
Video Card: MSI Radeon R9 270X 2GB TWIN FROZR Video Card ($199.99 @ Amazon)
Case: Corsair 200R ATX Mid Tower Case ($39.99 @ NCIX US)
Power Supply: Corsair CX 600W 80+ Bronze Certified Semi-Modular ATX Power Supply ($49.99 @ NCIX US)
Optical Drive: Samsung SH-224DB/BEBE DVD/CD Writer ($14.98 @ OutletPC)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) ($89.98 @ OutletPC)
Total: $739.33
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-05-31 14:34 EDT-0400)