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The dual GPU EVGA GTX 590 Classified w/ 3Gb VRAM is a fickle beast. It is simply not for the faint of heart... This card was installed and tested in an 8-core dual Xeon Mac Pro 2,1 w/ 32Gb RAM, 120Gb SSD, 1Tb HD, w/ a Corsair FS600 aux psu mounted in the #3 drive bay sled. This allows for the possibility to test all of the power hungry cards like this GTX 590, the GTX 580 Classified Extreme Overclock, or even the crazy Titan-Z in this beautiful silver box! In fact, the specs for the EVGA GTX 590 Classified call for a power draw of 365W under full load, which is reasonable considering the amazing capabilities of this single card in a 1st gen Mac Pro! The Mac Pro worked reliably with the card installed and running under OSX 10.7.5 Lion, as well as after the upgrade to OSX 10.11.6 El Capitan; although as with all non-Apple-efi, non-flashed video cards, there is no startup boot screen. What this means, is that for people who need to use Boot Camp, switching OS at startup is somewhat problematic. This is not a problem for me, however; as I run pure mac all the time, and cold start to boot screen w/ El Capitan is 14 seconds. ArchiCAD 19 and 20 absolutely fly with this card! OpenGL must be heavily optimized now for this older Fermi technology which drives all of the GTX 500 series cards, and ArchiCAD itself is constantly rebuilding the 3D scene in the background, while changes are being made to the drawings in 2D layout, section, and elevation windows. There is almost no delay when working in 2D and 3D simultaneously, even with large projects like hospitals or schools. Now, when designing typical projects like a single-family residence in ArchiCAD 20, this EVGA GTX 590 Classified equipped 1st gen Mac Pro is practically instantaneous. Another very important feature on this card is its amazing CUDA performance. CUDA has been around for awhile on the mac, but in my experience, has really come into its own in the last couple of years. Blender 2.77a, one of the brightest full-spectrum 3D design, modeling, animation, motion-tracking, and compositing (I'm in over my head here) Mac-Windows-Linux applications in the universe is also one of the premier unbiased CUDA GPU renderers available at any price... AND IT'S FREE! I ran tests on all of the RenderStreet scenes and discovered that the EVGA GTX 590 Classified 3Gb is a wonderfully capable CUDA real-time rendering asset for any Studio, but with some caveats. Although the GTX 590 Classified does have 3Gb VRAM onboard, it also has dual GPUs, and therefore each GPU only has access to 1.5Gb VRAM! (The Titan Z has this same issue...) This is a serious limitation to the size of the scene it can CUDA render, although its speed is still equal to a GTX 980! This may still be perfect for CUDA lighting and preview scenes; which is a very common workflow, as many, many projects do the final render on CPU render farms anyway, since their projects won't fit within the VRAM of any video card, and no desktop CUDA cluster can keep up with the power of 3,000 Xeon cpus on a farm! (It is not even close... In fact, even for Studio use, modern cpus can nearly keep up with good GPUs like the GTX 970-980. My 2010 Mac Pro 5,1 12-core renders the same scenes about 2/3 as fast as a GTX 580 or 1/3 as fast as a GTX 590 or GTX 970-980, but the entire machine is tied up!) This is a stunning result, and my research has revealed that the CUDA cores on the GTX 500 series cards work about twice as hard as the CUDA cores on other series. It is fun to watch the grin on your friend's faces as a 10 year old 1st gen Mac Pro with a shiny GTX 590 eats their brand new i7-4770 w/ a GTX 970 for lunch!! My research indicates there is some memory overhead with CUDA, so the 1.5Gb VRAM per GPU on the GTX 590 seems even smaller than one would suppose, the GTX 500 series Fermi cards w/ 2Gb VRAM or more seem to have overcome this limitation. Interestingly, in Blender CUDA rendering it is possible to select only one of the two GPUs on the EVGA GTX 590 Classified, which seems to make the entire 3Gb VRAM available to that GPU, effectively giving the user the best of both worlds; blinding fast dual Fermi CUDA rendering for lighting and layout previews, or the larger CUDA VRAM scene space from 3Gb onboard VRAM; which renders much larger projects, and liberates the main CPU! Conclusion: For everyday work and typical 3D OpenGL and CUDA rendering projects on any classic Mac Pro, you won't be disappointed with any of the GTX 500 series Fermi cards! Just be sure you get the correct Nvidia drivers for your OS, settle on any card with 2Gb or more VRAM available, and use a nice small form factor aux psu like the Corsair FS600 if needed. The two cards that work fine in the Mac Pro without an aux psu are the GTX 560 2Gb and the GTX 570 2.5Gb; any cards with one or two 6-pin power inputs will work. By contrast, the EVGA GTX 590 Classified reviewed here needs two 8-pin connectors! To be sure, this fickle beast is rock stable!!!Read full review
Verified purchase: Yes | Condition: Pre-owned
This is a excellent high performance graphics card. This is 2 - GTX580 gpu's on a single card. They are down-clocked to lower heat and voltage, making it a great solution if you do not want to upgrade to a higher wattage psu and second video card. A little slower than 2 seperate GTX580's, but all the bugs are worked out and contains an imbedded sli connection. No noise! Mine came with a Koolance waterblock installed($150 value). EVGA has one of the best warranty policies available. Lifetime for original owner and 3 years for second owner. Only company to accept rma when original heatsink anf fan have been removed. They are at a great used price point right now. Get it while its good. $325-$400 Used.
I've replaced this discontinued video card recently due to failure of one of the on-board power regulation components, however, it lasted under heavy load, continuously, for five years without any modification or cooling enhancements, and was used for all of the popular AAA ultra-quality titles in an extreme system. Dual-GPU cards are ideal for all purposes which are related to rendering of graphics, including video gaming, but the games of this card's generation, and even the majority of the current, were not well optimized for multi-processor systems and devices. Components will tend to fail due to the load imbalance if you don't monitor temperatures/activity and maintain on a bi-weekly basis. If you're upgrading your systems and you're interested in this class of device, then you'll want the higher of the Nvidia 700 and 1000 series, or any of the Titans. Although the Titan Z is effectively the successor to this product, you should consider the single-GPU Titan X/Xp for 4k gaming. Nvidia is genuinely superior. This was one of the hard-clocked models by EVGA which did not require any tweaking, and I would recommend operating them in large cases (full tower) with at least four fans for extreme gaming. Liquid cooling is not necessary for Nvidia.Read full review
Verified purchase: Yes | Condition: Pre-owned
Very Pleased with this card. Plays my games on high settings and so far has handled every game that I have put it up against.
Verified purchase: Yes | Condition: Pre-owned
Fantastic Card! extremely fast, 7.9 scores in windows experience index. Benchmarks higher than anything else and works extremely well for visual effects (cinema 4d, after effects) work. combine this with the new x79 chipset, quad channel memory, and OCZ revodrive technology and you have the fastest consumer grade hardware on the market.
