Depending on how many monitors you want to drive. I'm told (and unconfirmed) that to use another graphics card that the integrated one will have to be turned off. I'm also told that the main reason the 2600K benchmarks so good is due to the integrated graphics, and that the benchmark drops significantly when an auxiliary graphics card is used. Also the 1155 socket boards have limited PCI-E lanes (32? 28?), hence the limits on how many PCI-E boards will actually run at 16x. The 2600K/1155 is not an Enthusiast platform. IMPORTANT Sandybridge 2600K may not be what some of us are looking for. http://www.elitetrader.com/vb/showthread.php?s=&postid=3063466#post3063466
"Integrated graphics", with all of its limitations, is about TRYING TO SAVE $20! If $20 means that much to a trader, he'd be better off washing dishes for a living.
Except, if you'll only be driving the number of monitors the Sandybridge integrated allows you (one, two?), it's integrated at a much higher speed than the old "on-MB" implementations of budget GPUs. It's not a $20 GPU equivalent, but $200, $300. Won't work for me, but for some...
If you intend to go with Eyefinity 6 (double wide) PCI-E card and a PCI-E SSD, you'll have to check out the available PCI-E lanes for your MB. Particularly if it's a Sandybridge. Make sure everything PCI-E you plan on having will run at the speed (number of lanes) they need or you expect it to. Multi-monitor on 2600K/1155 may not be the way to go...
BULLSHIT! You can disable the "onboard video" and run BETTER from any PCIEx16 video card which costs $20-$40.
For three monitors I need Adaptors: 2 additional Accell Mini DisplayPort to DVI Adapter (graphics card package includes only 2) $40.00
Nope. With almost all integrate video you'd be absolutely correct. But with Sandybridge it's a whole new architecture. The GPU is integrated within the CPU case, possibly even on die. I'm told the CPU and GPU communicate at cache speed, so any handshaking between CPU, cache and GPU happens much faster. Also, watch out for some new MBs coming out. Apparently with 8700 series integrated GPUs on MB. p.s. Watch the "bs" comments. I don't know how tolerant they are of that here and we're getting some good points ironed out for people to weight for their needs. Shame to lose that.
Remember, the graphics card will only drive four monitors with passive adapters. Monitors five and six have to be Display Port or you'll need Active display port adapters to drive them.