PCI Express help

Im buying a new graphics card for my computer so i can play new games like diablo 3 and battlefield 3, and the problem im having is that everythime someone recomeneds a card to me, and i try to go buy it , the card is a PCI Express 2.0 or 2.1 or 3.0, now my motherboard only has a PCI Express x16 wich is a 1.0 and i also have 3 regular PCI express ports,

Can i buy a graphics card like 2.0,2.1 or 3.0 and will work on my PCI Express x16 1.0???

N-Alvorix-RS880-uATX (Alvorix)

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
1 PCI Express x16 slot for graphics card
3 PCI Express x1 slots
1 PCI Express x1 minicard slot
For more details, see Alvorix motherboard specifications .

AMD Phenom II X4 840T
Figure 2: AMD Phenom II X4 logo

Operating speed: Up to 2.9 GHz
Number of cores: 4
Socket: AM3
Bus speed: 4000 MHz HT3

8 GB

Amount: 8 GB
Speed: PC3-10600 MB/sec
Type: DDR3-1333

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 DVI and VGA ports is supported.
Also supports PCI Express x16 graphics cards*

hard drive

Size: 1.5 TB
Interface: SATA
Transfer rating: 3.0 Gb/sec
Rotational Speed: 5400 RPM

Computer Case

Height: 38.81 cm (15.28 inches)
Width: 17.50 cm (6.89 inches)
Length: 40.99 cm (16.14 inches)

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

Power Supply
Internal 250W (100-240V)

Form factor: internal ATX
Total Wattage: 250W
Nominal input voltage range:
100-127V ~6A
200-240V ~3A
Dimensions: 150mm x 140mm x 86mm (5.9 x 5.5 x 3.4 inches)
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More about express help
  1. Just to be safe, I'd steer clear of 2.1 cards, but AFAIK all the others wil be compatable with PCI-E 1.0 slots.
    Only other fly in the ointment is the very limited powersupply, to drive a card that's going to give decent performance in BF3 you'll need to change it for something closer to 500W.
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