The document summarizes the specifications and features of the SPARKLE GTX 660 OC Dual Fan graphics card. It has a core clock speed of over 1GHz (1006MHz), uses 6008MHz GDDR5 memory, and features dual cooling fans and heat pipes for efficient heat dissipation. It provides faster performance than the AMD HD7870 graphics card and supports technologies like DirectX 11, TXAA, PhysX, and NVIDIA Surround for richer gaming.

1. SPARKLE GTX 660 OC Dual Fan

2. GeForce GTX 660
The Geforce GTX 660 extends the NVIDIA Kepler-powered family of graphics cards to new levels
of affordability while retaining class-leading performance and power efficiency. It’s the weapon
of choice for games and a must-have upgrade for today’s hottest games.
FASTER SMOOTHER Richer
DirectX 11 Performance New TXAA Technology PhysX Technology

3. SPARKLE GTX 660 OC Dual Fan
Over 1GHz core setting
1006 MHz Core Speed
6008 MHz Memory Speed
960 CUDA Cores
2048MB GDDR5 Memory Size
192-bit Memory Interface
DL-DVI-D+DL-DVI-D+VGA+HDMI
* NV Ref. core 980MHz

4. Dual Fan Heat Pipes Cooling
• 4pins Dual PWM Fan
Allowing a low noisy level through
automatically fan speed controlling by
detecting GPU temp.
• Ultra Thin Cooling Fin
Ultra Thin Fin enlarge cooling surface
to speed up the heat dissipation
• 2pcs Ultra Cool Heat Pipes
Ultra cool heat pipes design efficiently
cools down the temp. through cooling
surface and taking away the heat
efficiently.

5. Dual Fan Heat Pipes Cooling
Reference Design Lower
* Test result may vary due to the different platform

6. 4 Phases PWM Design
Tantalum CAP
Excellent noise, temperature
performance at GHz frequency, ultra low
ESR and stable capacitance range up to
470µF.
Alloy Choke
lower temp, high frequency range up to
1MHz, low DC resistor.
SO8 PowerPak
Minimizing conduction losses with low
3.2m Ohm Rds(on), provide the
excellent and stable voltage and high
peak efficiency up to 82%

7. NVIDIA Surround
Surround without
Limitation

8. Turbocharged Performance
%
Faster than HD7870
*Test platform: AMD PheromII x6 1090T@3.2G with Windows 7 64bit
*Benchmarks including: 3Dmark11
* Test result may vary due to the different platform

9. Turbocharged Performance
Better
Performance

10. SPARKLE GTX 660 OC Dual Fan
Product No. SX660S2048MMDA
Product Model Sparkle GTX660 OC Dual Fan 2048MB GDDR5
Core Clock 1006 MHz
Memory Clock 6008 MHz
Memory Sets 2048MB GDDR5
Memory 192-bit
Bandwidth
CUDA core 960CUDA cores
Bus Type PCI-Express 3.0
Output Dual-link DVI-D +Dual-link-DVI-D+VGA+ HDMI
Interfaces