I want to know if this computer would be a good gaming computer.
These are the parts I want to use

1. iBUYPOWER Raidmax Horus Gaming Case + 24x DVD-RW Drive + Windows 8.1 Bundle:•ATX mid tower
•3 x 5.25" external drive bays
•3 x 3.5" internal drive bays
•Motherboard Support: ATX, microATX
•Expansion Slots: 7
•24x DVD-RW drive
•Windows 8.1 64-bit OS
•Customize a personal computer with this ATX mid tower gaming case

2. iBUYPOWER Intel Pentium G3240 Haswell Dual-Core Processor:•Clock Speed: 3.1GHz
•Cache: 3MB
•Intel HD Graphics

3. iBUYPOWER NVIDIA GeForce GT730 2GB Graphics Card with 350W Power Supply:•Powered by the GeForce GT730 graphics processing unit (GPU) with DirectX 11.2 support to provide graphics power for the most demanding games and 3D movies
•2GB DDR3 on-board memory provides the memory needed for visual realism
•PCI Express 3.0 interface provides compatibility with a range of systems
•DVI, D-Sub and HDMI outputs for flexible connectivity
•GeForce graphics card with 350W power supply

4. iBUYPOWER 8GB DDR3 + 500GB Hard Drive:•8GB DDR3 memory
•Modules: 2 x 4GB
•500GB hard drive
•6Gbps SATA interface
•16MB cache
•3.5" form factor
•7200 RPM

for my monitor I want to use:
HP - 20" LED HD Monitor - Silver/Black