Nvidia Titan V 12gb Data center variant (silver, no fans)

Beastly performance for the price. FP64!!

Bandwidth 651.3 GB/s

FP16 (half) 29.80 TFLOPS (2:1) 

FP32 (float) 14.90 TFLOPS 

FP64 (double) 7.450 TFLOPS (1:2)

Listing price is per GPU. Six available.

Only one per purchase unless you select additional quality.

Absolutely. No returns unless you can prove not as described. Serial numbers are embedded in bios and recorded.