Rare board I assume. EVGA X58 4 way SLI : r/pcmasterrace
ASUS Gives Rampage III Extreme 4-way SLI Capability with ROG Xpander | TechPowerUp
Adamant Computers - Custom Computers and Gaming PC. Asus RAMPAGE VI EXTRME LGA2066/ Intel X299/ DDR4/ 4-Way CrossFireX & 4-Way SLI/ SATA3&USB3.1
EVGA on X: "2010! We have just introduced the world's first 4-way SLI system. A combination of the EVGA X58 4-Way SLI motherboard and GeForce GTX 285 Classified, this setup destroyed all
The GIGABYTE Z170X-Gaming G1 Review: Quad-SLI on Skylake, and now with Thunderbolt 3