 "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 WX 4100 4GB Low Profile Workstation Graphics Card"@en Card LN76311 - 100-506008 | SCAN UK"@en
"4GB AMD Radeon Pro WX 4100, PCIe 3.0, GDDR5, 925MHz GPU, 975MHz Boost, 1024 Streams, Low Profile, 4xMini DisplayPort 1.4 "@en 