SFP CABLEThis Transceiver (SFP+) direct attach copper (DAC) cable, also known as Twinax cable, is suitable for in-rack connections between servers and switches, Our cables are designed to the open-source SFF-8402 MSA standard in order to guarantee compatibility with the vast majority of SFP28 equipment on the market also based on that standard. ^^ HIGH SPEED TRANSMISSIONMaximum data transfer rate: 25 Gbps, used high-quality chip secure fast transmission and low power consumption, 0.5M /1M/ 1.5M /2M/ 2.5M /3M/5M length of cable is available ^^ HIGH QUALITY BY TESTEDThis network cable is individually tested by standard IEEE 802.3 by /D 3.2 on switches before delivery for superior performance, quality, and reliability, 100% passed Conduction Test, SI Test, Compatibility Test, EEPROM Test ^^ Design25G/28G SFP28 Direct Attach Copper Cables provide affordable 25-Gigabit Ethernet connectivity in a low-profile package. Each SFP28 cable utilizes an upgraded 20-position board-as-connector design with zinc die-cast backshells for superior EMI performance and minimal insertion loss. ^^ WARRANTY OF 12 MONTHSWe assure you Quality Guarantee and Excellent Customer Service which make your purchase absolutely risk-free. Any question please feel free to contact us, any email will be responded within few hours and your problem would be solved promptly.