I want to upgrade my graphic card ....

but I don't know what graphic card is compatible with my PC

at the moment, im using intergrated graphic card

i would rly appreciate if someone can help me

here's info on my os and my budget is around 100~

Summary
Operating System
Windows 7 Home Premium 64-bit SP1
CPU
Intel Core i5 3450 @ 3.10GHz 34 °C
Ivy Bridge 22nm Technology
RAM
8.00GB Dual-Channel DDR3 @ 665MHz (9-9-9-24)
Motherboard
Gigabyte Technology Co., Ltd. B75M-D3H (Intel Core i5-3450 CPU @ 3.10GHz) 28 °C
Graphics
HP 2009 (1600x900@60Hz)
Intel HD Graphics (Gigabyte)
Storage
465GB Western Digital WDC WD5000AAKS-65V0A0 (SATA) 35 °C
Optical Drives
HL-DT-ST DVDRAM GH24NS90
Audio
Realtek High Definition Audio

---------------------------
Motherboard
Manufacturer Gigabyte Technology Co., Ltd.
Model B75M-D3H (Intel Core i5-3450 CPU @ 3.10GHz)
Version To be filled by O.E.M.
Chipset Vendor Intel
Chipset Model Ivy Bridge
Chipset Revision 09
Southbridge Vendor Intel
Southbridge Model P75/B75
Southbridge Revision 04
System Temperature 28 °C
BIOS
Brand American Megatrends Inc.
Version F4
Date 3/23/2012
Voltage
CPU TERMINATION 1.068 V
VCC3 3.344 V
+12V 12.024 V
+VCC 3.400 V
vAXG 2.232 V
CPU CORE 0.900 V
DRAM 1.512 V
+3.3V 3.384 V
PCI Data
Slot PCI-E
Slot Type PCI-E
Slot Usage In Use
Data lanes x16
Slot Designation J6B2
Characteristics 3.3V, Shared, PME
Slot Number 0
Slot PCI-E
Slot Type PCI-E
Slot Usage In Use
Data lanes x1
Slot Designation J6B1
Characteristics 3.3V, Shared, PME
Slot Number 1
Slot PCI-E
Slot Type PCI-E
Slot Usage In Use
Data lanes x8
Slot Designation J6D1
Characteristics 3.3V, Shared, PME
Slot Number 2
Slot PCI-E
Slot Type PCI-E
Slot Usage In Use
Data lanes x16
Slot Designation J7B1
Characteristics 3.3V, Shared, PME
Slot Number 3
Slot PCI-E
Slot Type PCI-E
Slot Usage In Use
Data lanes x1
Slot Designation J8B4
Characteristics 3.3V, Shared, PME
Slot Number 4
Slot PCI
Slot Type PCI
Slot Usage In Use
Bus Width 32 bit
Slot Designation J8B3
Characteristics 3.3V, Shared, PME
Slot Number 5