Used, Tested, and Working! Tested with Unigine Superposition Benchmark and runs well with consistent peformance.

$85 each, $550 for all 7.

Base Clock: 1120 MHz
Boost Clock: 1266 MHz
Memory Size: 8 GB
Bus Interface: PCIe 3.0 x16
Power Connectors: 1x 6-pin
Outputs: 1x HDMI 2.0b, 3x DisplayPort 1.4a
450 Watts or greater power supply recommended.