 "Sapphire Radeon R7 240 Boost 4096MB GDDR3 PCI-Express Card"@en "▷ Sapphire Card | OcUK"@en
"Core: 780MHz, Memory: 4096MB 3600MHz GDDR3, Stream Processors: 320, DirectX 11.2 Support, ATI CrossFireX Ready, ATI Eyefinity, ATI Stream, ATI Avivo HD, ATI HD3D Technology, 2 Year Warranty."@en 
 "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." 