Yes, and yes.
You can Quad SLI with e.g. 2x GTX 590s. Tri-SLI with 3x GTX 580 for example.
Quad-Fire can be obtained down to 4x HD6950s, I believe.
You can mix and match from any vendor as long as it's the same GPU. It's not recommended to mix different VRAM sizes, but it's possible.
You can flash most cards to a different vendor's OC.
Yes, you can flash reference cards. At least that's what I heard.
| CPU | Motherboard | Graphics | RAM |
|---|
| Intel Core i5 2500K @ 4.390 Ghz. | ASRock P67 Extreme4 | Sapphire Radeon HD7950 3Gb. "OC" | Stock for now | G.Skill RipJawsX DDR3 1600Mhz. CL9 |
| Hard Drive | Hard Drive | Hard Drive | Hard Drive |
|---|
| Crucial m4 [Internal] | Western Digital 3.5" 7200rpm [Internal] | Hitachi Deskstar 3.5" 7200rpm [Internal] | Western Digital "Mybook" 3.5" 7200rpm [External] |
| Hard Drive | Hard Drive | Hard Drive | Hard Drive |
|---|
| Western Digital "Elements" 3.5" 7200rpm [External] | Western Digital 2.5" 7200rpm [External] | Seagate Barracuda 3.5" 7200rpm [External] | Western Digital 3.5" 7200rpm [External] |
| Optical Drive | Cooling | Cooling | Cooling |
|---|
| Pioneer DVR-115 DVD+/-RW | Noctua NH-D14 | 1x Apevia CF12S-UBL fan | 2x Arctic Cooling F12 |
| Cooling | Cooling | Cooling | OS |
|---|
| 1x Coolink SWiF2-120P | 1x Silverstone FN-121 | 2x Silverstone AP-181 | Windows 7 Ultimate 64-bit |
| Monitor | Monitor | Monitor | Keyboard |
|---|
| BenQ 24" G2420HDB | Mirai 32" LCD TV | LG 50PK250N 50" Plasma TV | Razer Arctosa |
| Power | Case | Mouse | Mouse Pad |
|---|
| Corsair AX850 | Silverstone Raven RV03 | Logitech G500 | SteelSeries 4D |
| Audio | Audio | Audio | Audio |
|---|
| 2x Cerwin Vega XLS-6 speakers | NAD Stereo Integrated Amplifier C 325BEE | Logitech Z323 | Creative "Draco" HS-850 Stereo headset |
| Audio | Other | Other | Other |
|---|
| LG HX906SB 3D Home Cinema system | Scythe Kaze Master Pro | Green UV-reactive Anti-kink coils | Bitspower 120mm Blue UV-reactive "Skull" fan grill |
| Other | Other | Other | Other |
|---|
| Bitspower 120mm Aluminium "Toxic" fan grill | 4 standard 120mm fan grills | 3x UV cold cathodes | 1x UV-laser |
| Other | Other |
|---|
| 2x DEMCiflex dust filters | Hiyatek 10-port USB hub |
| View all |
hide details
| CPU | Motherboard | Graphics | RAM |
|---|
| Intel Core i5 2500K @ 4.390 Ghz. | ASRock P67 Extreme4 | Sapphire Radeon HD7950 3Gb. "OC" | Stock for now | G.Skill RipJawsX DDR3 1600Mhz. CL9 |
| Hard Drive | Hard Drive | Hard Drive | Hard Drive |
|---|
| Crucial m4 [Internal] | Western Digital 3.5" 7200rpm [Internal] | Hitachi Deskstar 3.5" 7200rpm [Internal] | Western Digital "Mybook" 3.5" 7200rpm [External] |
| Hard Drive | Hard Drive | Hard Drive | Hard Drive |
|---|
| Western Digital "Elements" 3.5" 7200rpm [External] | Western Digital 2.5" 7200rpm [External] | Seagate Barracuda 3.5" 7200rpm [External] | Western Digital 3.5" 7200rpm [External] |
| Optical Drive | Cooling | Cooling | Cooling |
|---|
| Pioneer DVR-115 DVD+/-RW | Noctua NH-D14 | 1x Apevia CF12S-UBL fan | 2x Arctic Cooling F12 |
| Cooling | Cooling | Cooling | OS |
|---|
| 1x Coolink SWiF2-120P | 1x Silverstone FN-121 | 2x Silverstone AP-181 | Windows 7 Ultimate 64-bit |
| Monitor | Monitor | Monitor | Keyboard |
|---|
| BenQ 24" G2420HDB | Mirai 32" LCD TV | LG 50PK250N 50" Plasma TV | Razer Arctosa |
| Power | Case | Mouse | Mouse Pad |
|---|
| Corsair AX850 | Silverstone Raven RV03 | Logitech G500 | SteelSeries 4D |
| Audio | Audio | Audio | Audio |
|---|
| 2x Cerwin Vega XLS-6 speakers | NAD Stereo Integrated Amplifier C 325BEE | Logitech Z323 | Creative "Draco" HS-850 Stereo headset |
| Audio | Other | Other | Other |
|---|
| LG HX906SB 3D Home Cinema system | Scythe Kaze Master Pro | Green UV-reactive Anti-kink coils | Bitspower 120mm Blue UV-reactive "Skull" fan grill |
| Other | Other | Other | Other |
|---|
| Bitspower 120mm Aluminium "Toxic" fan grill | 4 standard 120mm fan grills | 3x UV cold cathodes | 1x UV-laser |
| Other | Other |
|---|
| 2x DEMCiflex dust filters | Hiyatek 10-port USB hub |
| View all |
hide details