The document describes the GeForce GT 640 OC Dragon Cyclone graphics card. It has a patented exchangeable fan structure with efficient, silent, and turbo modes. It also has a 6% factory overclock, supports up to 4 displays without DisplayPort, and provides reliable gaming performance at an affordable price.

1. The Pwning Exchangeable Fan Structure
Sparkle GT640 OC Dragon Cyclone

2. GeForce GT 640 OC Dragon Cyclone
The Pwning Exchangeable Fan Structure
Specification
954MHz Core Speed
1,782MHz Memory Speed
384 CUDA Cores
2048MB DDR3 Memory Size
128-bit Memory Interface
Mini HDMI + DL DVI-I + DL DVI-
D+ SL DVI-D
Silent Fan / Turbo Fan Included

3. GeForce GT 640 OC Dragon Cyclone
• 6% OC default setting
(Reference board: 900MHz)
• Solid built components onboard
• PCI Express 3.0
• Dragon Cyclone Design
Efficient / Silent /Turbo Mode
Included
• NVIDIA Surround support up to
4 Displays without display port Extremely Affordable
output Overclocking Enpowered Kit

4. Solid Built Board Design
Stable OC Performance Delivered
All Solid Capacitors
Ultra DURABLE life
Superb high frequency
Superb high voltage
Optimized temp. controlled
Shielded Inductor
Low DC resistor
High current rating up to 40Amp
High frequency range up to 1MHz

5. Affordable Price, Reliable Performance
3DMark Vantage X score Performance
Up to215%
faster than previous
generation
* 3DMark Vantage X Score (w/o PhysX)
*Test platform: AMD PheromII x6 1090T@3.2G with Windows 7 64bit

6. Affordable Price, Reliable Performance
3DMark 11 P score Performance
Up to218%
faster than previous
generation
*Test platform: AMD PheromII x6 1090T@3.2G with Windows 7 64bit

7. Affordable Price, Reliable Performance
Diablo III Gaming Performance
Full HD mode with 1920 x 1080,
High Graphic options, AA Mode, Vsync off.
Frame Per Second up to 61
Test platform: AMD PheromII x6 1090T@3.2G with Windows 7 64bit

8. Sparkle Dragon Cyclone
Exquisite Craftsmanship Design
Patent Pending Exchangeable
Fan Structure
• More options and easy installation
• Dirt removing
90mm Fan Design
• 30% More air flow
• Wider coverage

9. Sparkle Dragon Cyclone
Patent Pending Exchangeable Fan Structure
Latch design Leakage control Unique Cable Free structure
Provide easy and quit install step Ensure air flow toward heatsink Touching type power connector

10. Sparkle Dragon Cyclone
Comparison
Buckle Type easy to crack Bearing exposed ?? Still connect to power cable ??

11. Sparkle Dragon Cyclone
Easy Installation
Start!! 10sec. Lift up
30 sec. only
Easy install/
remove
Tool free!
10sec. Twist 10sec. Pull up

12. Sparkle Dragon Cyclone
Different Settings Mode
90mm Double Claw Blade
Efficient Mode Provide 20% flow coverage
90mm Scimitar Blade
Silent Mode Offer 15% lower noise level*
90mm Propeller Blade
Turbo Mode Generate air flow up to 40%*
Compare to D Cyclone Efficient
*Compare to Dragon Cyclone Efficient Mode

13. Sparkle Dragon Cyclone Efficient Mode
Double Claw Blade
Wider coverage
+20% coverage covers all the
key components such as memory/MOS
Normal Blade Double Claw Blade
Wider Coverage

14. Sparkle Dragon Cyclone Silent Mode
Scimitar Blade
15%
Scimitar Blade provide
lower noisy level
Scimitar Blade Dragon Cyclone Efficient Dragon Cyclone Silent

15. Sparkle Dragon Cyclone Turbo Mode
Propeller Blade
Propeller Blade increase
AIR Flow up to 40%
11pcs Propeller Blades
Dragon Cyclone Efficient Dragon Cyclone Turbo

16. Cooling Performance Furmark Testing
Dragon Cyclone Efficient Mode
52 ° C only
in Furmark test

17. Cooling Performance Real Game Testing
Dragon Cyclone Efficient Mode
45 ° C only
in Diablo III test

18. NVIDIA Surround Support
Surround Accessory Display Orientation App. Run in Recommended game
Mode Display window or full
screen mode
Surround (2D) N Both All
Surround(2D) N Both Both
Surround (2D) Y Windows Mode MMORPG on Surround
Displays, web applications
on accessory display
Surround (2D) Y Windows Mode MMORPG on Surround
Displays, web applications
on accessory display

19. GeForce GT 640 OC Dragon Cyclone
The Pwning Exchangeable Fan Structure
Exchangeable Fan Structure
Dragon Cyclone E / S/ T mode
Superb Overclocking Setting
Up to 6% default OC setting
Support 4 displays configuration
Without Display Port output support