 "Sapphire RADEON R7 240 with Boost graphics card - Radeon 4 GB" " Sapphire GB 11216-02-20G Video Cards CDWG.com
"The SAPPHIRE R7 240 with Boost now has the latest DDR3 memory clocked at 1800MHz effective, and runs with a core clock speed of 730 MHz which with PowerTune Dynamic Boost rises to 780 MHz on the engine." 
 "PNY Quadro K1200 NVIDIA 4GB Low Profile DVI Workstation Graphics Card"@en Card LN63698 - VCQK1200DVI-PB | SCAN UK"@en
"4GB PNY NVIDIA Quadro K1200, 512 Cores, PCIe 2.0 (x16), 4x Mini DP 1.2, Low Profile, Includes 4x DVI SL Adapters        "@en 