MATRIX GTX580 P/2DIS/1536MD5
Tweak, Game and Win with ASUS ROG MATRIX GTX580 Platinum graphics card
Overclocking hardware tools, TweakIt and ProbeIt are directly embedded onto the graphics card firmware, while a Safe Mode button offers an easy reset option worry-free hardware overclocking.
All new GPU Tweak provides professional graphics overclocking for PC enthusiasts
19-phase Super Alloy Power technology provides more headroom for overclocking with a 15% performance boost, reduced running temperatures and prolonged product lifespan Award-winning DirectCU II thermal technology with sound-dampened dual fans provides 600% greater airflow and 20% cooler performance than the reference design.
TweakIt – Instant voltage adjustment!

ProbeIt – Instant voltage measurement!
ProbeIt takes the guesswork out of locating the graphics card´s measurement points, identifying them clearly in the form of 6 sets of detection points so you´ll know exactly where to get quick yet accurate readings using a multimeter.
Safe Mode – Instant settings reset!
Safe Mode button resets the graphics card back to default frequencies & BIOS. This is a very welcomed feature for hardware enthusiasts, think of it like the "Clear CMOS" on a motherboard.
GPU Tweak – Professional graphics overclocking tools for enthusiasts!

19-phase Super Alloy Power – Efficient power delivery!
Built with exclusive 19-phase Super Alloy Power technology, the MATRIX GTX 580 guarantees much greater overclocking headroom, with a 15% performance boost, 2.5 times longer lifespan and 35°C cooler operation than the reference card design.
DirectCU II – 600% greater air flow, 20% cooler operation than reference!
Cooling is well taken care of by exclusive DirectCU II technology that puts copper heat pipes in direct contact with the GPU. The pipes efficiently transfer heat through two massive fans that deliver 600% more airflow than the reference design, resulting in a 20% lower operating temperatures.
MATRIX LED load Indicator - GPU loading at-a-glance

Graphics Engine NVIDIA GeForce GTX 580
Bus Standard PCI Express 2.0
Video Memory GDDR5 1536MB
Engine Clock 816 MHz
CUDA Core 512
Memory Clock 4008 MHz ( 1002 MHz GDDR5 )