better graphic card for my pc

Hi.here is my system information.help me to find better graphic card or can i use nvidia gtx730 2gb rddr5 graphic card without any problem my psu model is=LPE223-400
or what changes will be made in my pc to run this graphic card

System Information
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Time of this report: 6/18/2016, 05:14:38
Machine name: MASTERVISHALS
Operating System: Windows 7 Ultimate 64-bit (6.1, Build 7600) (7600.win7_gdr.110408-1633)
Language: English (Regional Setting: English)
System Manufacturer: INTEL_
System Model: DH61HO__
BIOS: BIOS Date: 04/24/12 16:32:56 Ver: 04.06.04
Processor: Intel(R) Pentium(R) CPU G2010 @ 2.80GHz (2 CPUs), ~2.8GHz
Memory: 2048MB RAM
Available OS Memory: 1948MB RAM
Page File: 1181MB used, 2715MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11---------------

Display Devices

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Card name: Intel(R) HD Graphics
Manufacturer: Intel Corporation
Chip type: Intel(R) HD Graphics Family
DAC type: Internal
Device Key: Enum\PCI\VEN_8086&DEV_0152&SUBSYS_20428086&REV_09
Display Memory: 782 MB
Dedicated Memory: 64 MB
Shared Memory: 718 MB
Current Mode: 1024 x 768 (32 bit) (60Hz)
Monitor Name: SAMTRON 56E/57E/56V
Monitor Model: S/T 57/56E/V
Monitor Id: STN0002
Native Mode: 800 x 600(p) (85.061Hz)
Output Type: HD15
Driver Name: igdumd64.dll,igd10umd64.dll,igd10umd64.dll,igdumd32,igd10umd32,igd10umd32
Driver File Version: 8.15.0010.2669 (English)
Driver Version: 8.15.10.2669
DDI Version: 10.1
Driver Model: WDDM 1.1
Driver Attributes: Final Retail
Driver Date/Size: 2/27/2012 09:55:22, 8089088 bytes
WHQL Logo'd: Yes
WHQL Date Stamp:
Device Identifier: {D7B78E66-4212-11CF-5BE9-4800A9C2C535}
Vendor ID: 0x8086
Device ID: 0x0152
SubSys ID: 0x20428086
Revision ID: 0x0009
Driver Strong Name: oem5.inf:IntelGfx.NTamd64.6.0:iIVBD0:8.15.10.2669ci\ven_8086&dev_0152
Rank Of Driver: 00E62001
Video Accel: ModeMPEG2_A ModeMPEG2_C ModeWMV9_C ModeVC1_