None of these card are for gaming
What is your full spec?
		
		
	 
Processor :AMD Athlon™ 64 X2 5000+, 64-bit dual core processor 
Operates at 2.6 GHz 
2 x 512 KB L2 cache 
2000 MHz system bus 
Chipset	NVIDIA® GeForce® 6150SE
Memory	Installed: 3072 MB DDR2, 667 MHz, (PC2-5300) dual channel memory (two 1024 MB and two 512 MB modules) 
Expandable to: 4 GB (4 DDR2 DIMM slots)
Hard Drive: 400 GB, 7200 RPM, SATA II hard drive
Support for up to two hard drives
Optical Drive	DVD ±RW, 18X super multi-format dual layer (up to 8.5GB) 
Write max: 18X DVD±R, 6X DVD-RW, 8X DVD-R DL, 8X DVD+RW, 8X DVD+R DL, 12X DVD-RAM, 48X CD-R, 32X CD-RW 
Read max: 16X DVD-ROM, 48X CD-ROM 
Supports Labelflash™ 
Media Card Reader	15-in-1 high speed digital media manager supporting the following: 
Compact Flash (CF) I, II 
IBM Microdrive™ (MD) 
SmartMedia Card (SMC) 
Memory Stick™ (MS) 
Memory Stick Duo (MS Duo) 
Memory Stick PRO (MS PRO) 
Memory Stick PRO Duo (MS PRO Duo) 
Secure Digital™ (SD) 
Mini Secure Digital (MiniSD) 
Multi Media Card (MMC) 
RS Multi Media Card (RS-MMC) (need adapter) 
Multi Media Plus Card (MMC Plus) 
Multi Media Mobile Card (MMC Mobile) 
xD-Picture Card (xD) 
Video	NVIDIA GeForce 6150SE integrated graphics 
Up to 128MB of shared video memory
Audio	Integrated 8-Channel (7.1) High Definition Audio
Network Support	Integrated MARVELL 88E8056 10/100 Ethernet
Modem	56 K ITU V.92 ready fax/modem
Power Supply	300 watt
Add-in Card Slots	One PCI Express ×16 (graphics interface) 
One PCI Express ×1 
Two PCI conventional
External Connectors	One PS/2 keyboard port 
One PS/2 mouse port 
One VGA monitor port 
One parallel port 
One serial port 
Six USB ports (four rear, two front) 
Two IEEE 1394a port (one rear, one front) 
One RJ-45 Ethernet LAN port 
Eight audio jacks (six rear, two front) 
Drive Bays	Five total: 
Two external 5.25-inch 
One external 3.5-inch (with a docking bay for optional Gateway 2.5-inch removable USB hard drive) 
Two internal 3.5-inch (hard drive) 
Physical Dimensions
(H × W × D)
but anyways yeah..i dont wanna buy another PSU atm..so i just need some decent cheap graphics card for the time being that can be moderately used for some gaming..thanks alot!