Enermax MaxRevo 87+ EMR1500EWT 1500W (Gold Certified) Power Supply 
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Sapphire #11226-00-40G R9 290X (core 1040MHz) 4G GDDR5 (eff 5200Mps) PCI-E DUAL DVI-D / HDMI / DP TRI-X OC VERSION (UEFI)  
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The new SAPPHIRE R9 290X Tri-X 4GB OC features the latest GCN (graphics core next) architecture from AMD with 2816 stream processing units and an enhanced engine clock of up to 1020Mhz. It is equipped with 4GB of the latest high performance GDDR5 memory on a 512-bit interface and now clocked at 1350 MHz (5.4GHz effective) delivering higher bandwidth than earlier models.The new SAPPHIRE R9 290X Tri-X 4GB OC is built on a SAPPHIRE original pcb design with the power upgraded to a 6-phase VDDC power design. Two 8-pin power connectors ensure adequate system power is available (up to 375 Watts total including PCI-Express power).
Sapphire #11227-13-20G Radeon R9 290 Tri-X OC (New Edition), 4GB GDDR5, 2x DVI, HDMI, DisplayPort, Lite Retail 
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SAPPHIRE R9 290 Tri-X has 2560 stream processing units and an engine clock of up to 1000 Mhz. Also equipped with 4GB of the latest high performance GDDR5 memory on a 512-bit interface and clocked at 1300 MHz (5.2GHz effective).
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