 "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." 
 "AMD Radeon Pro WX4100 Professional Graphics Card - 4GB GDDR5 1024 Stream Processors"@en "▷ AMD GDDR5… | OcUK"@en
"Radeon Pro WX 4100 GPUs provide great performance in a half-height card, designed for small form factor (SFF) workstations."@en 