Compatible video cards for a Dell Inspiron 570?

Hello, I'm trying to upgrade my video card for my Dell Inspiron 570, I'm not worried about price, but I'm just trying to figure out what video cards that my computer can work with, I know I might need a new power supply as well, and if anyone knows of one of those that will work, it would be much... show more Hello, I'm trying to upgrade my video card for my Dell Inspiron 570, I'm not worried about price, but I'm just trying to figure out what video cards that my computer can work with, I know I might need a new power supply as well, and if anyone knows of one of those that will work, it would be much help.

Current video specs.

System Model: Inspiron 570
Card: ATI Radeon HD 4200
Manufacturer: Advanced Micro Devices, Inc.
Chip Type: ATI display adapter (0x9710)
Operating System: Windows 7 Home Premium 64-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_gdr.120503-2030)
Language: English (Regional Setting: English)
BIOS: BIOS Date: 03/29/12 12:30:11 Ver: 08.00.15
Processor: AMD Athlon(tm) II X2 240 Processor (2 CPUs), ~2.8GHz
Memory: 4096MB RAM
Available OS Memory: 3838MB RAM
Page File: 1997MB used, 5678MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.01.7601.17514 32bit Unicode

Many thanks.
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