New graphic cards.

The 450 & 470 models are now deliverd with the latest generation of graphic card. The data for the new card is:

Connectivity
Bus Type PCIe 3.0 x16
Form Factor (Card) Low Profile/Half Length
Bracket (Mounted) Full height bracket (ATX)
Extra Bracket Included Low profile bracket
Number of Video Outputs 4
Video Output Connectors 4 x Mini DisplayPort (secure)
Video Output Formats DisplayPort™ 1.1
Optional Video Output Formats
(Active adapters required
– sold separately)
– DVI Dual Link
– DVI/HDMI® Single Link
Audio Output Formats – Multi-stream audio through DisplayPort (4 streams)
Performance
Memory 4 GB GDDR 5
GPU AMD™
Maximum resolution
(per monitor)
2560×1600 @ 60Hz (DisplayPort)
3840×2160 @ 30Hz (DisplayPort,
maximum of 2)
1920×1200 @ 60Hz (HDMI)