What the best graphics card my system can handle

I recently purchased a computer at a Black Friday sale for my little brother.
These are the specs:

Motherboard
N-Alvorix-RS880-uATX (Alvorix)
Figure 1: Motherboard top view
Image of motherboard

*
Manufacturer: Foxconn
*
Form factor: uATX
*
Chipset: AMD 785G
*
Memory sockets: 4 x DDR3
*
Front side bus speeds: 1333/1066/800MHz
*
Processor socket: AM3
*
Expansion Slots
o
1 PCI Express x16 slot for graphics card
o
3 PCI Express x1 slots
o
1 PCI Express x1 minicard slot
*
For more details, see Alvorix motherboard specifications .

Processor
AMD Athlon(TM) X4 635 quad-core processor [2.9GHz, 2MB L2, up to 4000MHz bus]



Processor upgrade information
Motherboard supports the following processor upgrades:
NOTE: Only Socket AM3 processors are supported with this motherboard.

*
AMD Phenom II X6 10xxT Six-Core (Thuban core)
*
AMD Phenom II X4 9xx/9xxe/8xx Quad-Core (Deneb core)
*
AMD Phenom II X3 7xx/7xxe Triple-Core (Heka core)
*
AMD Phenom II X2 5xx (Callisto core)
*
AMD Athlon X4 6xx/6xxe (Propus)
*
AMD Athlon X3 4xx/4xxe (Rana)
*
AMD Athlon X2 2xx/2xxe (Regor)
*
AMD Sempron Single Core 1xx (Sargas core)

Memory
8 GB

1.
Amount: 8 GB (4x2GB)
2.
Speed: PC3-10600 MB/sec
3.
Type: DDR3-1333

Memory upgrade information

*
Dual channel memory architecture
*
Two DDR3 DIMMs (240-pin) sockets
o
PC3-8500 (DDR3-1066)
o
PC3-10600 (DDR3-1333)
*
Non-ECC memory only, unbuffered
*
Supports 1GB, 2GB, and 4GB DDR3 DIMMs
*
Supports up to 8 GB on 64-bit systems (DIMMs run at DDR3-1066)
*
Supports up to 4 GB on 32-bit PCs
*32-bit PCs cannot address a full 4.0 GB of memory.

Video graphics
Integrated graphics using ATI Radeon 4200
*Integrated video is not available if a graphics card is installed.

*
Integrated graphics using ATI Radeon 4200
*
Integrated graphics: concurrent use of the the DVI and VGA ports is supported.
*
Also supports PCI Express x16 graphics cards*

NOTE: *Either integrated graphics or the PCI Express x16 slot are usable at one time; they are not usable concurrently.
Sound/Audio
Integrated ALC888S-VD audio
*Integrated audio is not available if a sound card is installed.

*
Audio CODEC: ALC888S-VD
*
Number of channels: 8
*
Maximum sample rate: up to 192,000 Hz
*
Supports one SPDIF digital connection

Networking
LAN: 10-Base-T

*
Technology: PCI Realtek RTL8105E
*
Data transfer speeds: up to 10/100 Mb/s
*
Transmission standards:10-Base-T Ethernet

Hard drive
1 TB
Figure 3: Hard drive
Image of hard drive

*
Size: 1 TB
*
Interface: SATA
*
Transfer rating: 3.0 Gb/sec
*
Rotational Speed: 7200 RPM

CD/DVD disc drive
SuperMulti DVD Burner with LightScribe Technology drive
Figure 4: Optical drive
Image of the optical drive

* Interface: SATA
* Data buffer memory: 2 MB minimum
* LightScribe: yes
* Disc diameter: 120 mm
* Write and read speeds for supported formats and disc types are shown in this table:

Formats/Disc types Write speeds Read speeds Storage capacity
DVD
DVD-ROM SL NA up to 16x up to 4.7 GB
DVD-ROM DL NA up to 8X up to 8.5 GB
DVD+R SL up to 16x up to 12X up to 4.7 GB
DVD+R DL up to 12x up to 8x up to 8.5 GB
DVD+RW SL up to 8x up to 8x up to 4.7 GB
DVD+RW DL not supported
DVD-R SL up to 16x up to 12x up to 4.7 GB
DVD-R DL up to 12x up to 8x up to 8.5 GB
DVD-RW SL up to 6x up to 8x up to 4.7 GB
DVD-RW DL not supported
DVD-RAM up to 12x up to 12x 4.7 GB
CD
CDROM NA up to 40X up to 700 MB
CDR up to 40X up to 40X up to 700 MB
CDRW up to 32X up to 32X up to 700 MB
CD-DA NA up to 32X up to 700 MB
Video CD NA up to 16X up to 700 MB
Memory Card Reader
15-in-1 multimedia card reader
Figure 5: View of memory card reader
Image of card reader

Supports the following cards:

*
Compact Flash I
*
Compact Flash II
*
IBM Microdrive (MD)
*
Memory Stick (MS)
*
Memory Stick Duo (Duo)
*
Memory Stick Pro (PRO)
*
Memory Stick Pro Duo (Pro Duo)
*
MultiMediaCard (MMC)
*
MultiMediaCard Mobile (MMC mobile)
*
MultiMediaCard Plus (MMC plus)
*
Reduced size MultiMediaCard (RS-MMC)
*
Secure Digital (SD)
*
Secure Digital miniSD (Mini)
*
Smart Media
*
xD Picture Card (xD)

Computer Case
Mid-size ATX

*
Height: 38.7 cm (15.23 inches)
*
Width: 17.5 cm (6.89 inches)
*
Length: 41.4 cm (16.29 inches)

Bay size Total Bays*
13.33 cm (5.25 inch) 2
8.89 cm (3.5 inch) 3
* Bays may be occupied by existing hardware.

Power Supply
250W
250W power supply

I/O Ports
Front I/O ports

*
USB: 2
*
Headphone: 1
*
Microphone: 1

Back I/O ports
Figure 6: Back I/O panel
1 - One electrical S/PDIF Output
2 - One VGA port
3 - Four USB 2.0 ports
4 - One RJ45 10/100 Mb/s LAN
5 - Center/Subwoofer-out (yellow - orange)
6 - Rear speaker-out (black)
7 - Line-in (light blue)
8 - Line-out (lime)
9 - Mic-in (pink)
10 - Side speaker-out (gray)
11 - One DVI-D port
Photograph of the ports on the back panel


He wants to be able to play the newest games and I was wondering what the best graphics card I can put in this computer. I am willing to spend up to 200 dollars or maybe a little more. Also I wouldn't mind swapping out the Power or making new ports.

Thanks,
CroCop4205
 
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