External MINI SAS HD (SFF-8644) 2x to PCIe x8 Gen 3 Slot Adapter, support SMBus Hot Swap

Features :
* External miniSAS 2x(SFF-8644) to PCIe x8 convert
* Built-in SFF-8644 2x connector
* Built-in PCIe x8 Slot
* Built-in +12V Hot Plug Power with eFuse protection for PCIe +12V
? Programmable Current Limit: 6.5A
? Programmable Inrush Current Slew Rate
? Thermal shutdown protection and fault alert
? Back-to-Back (B2B) FET Operation
* PWM synchronous 12V to 3.3V buck converter Power
? 4A maximum output current
? Over Current Protection
? Under Voltage Protection
? Under voltage lock out protection (UVLO) monitors
? Thermal shutdown protection
? ESD Human Body Mode(HBM)/2KV
* Built-in 3.3V Power Load Switch for PCIe +3.3V, 4A
* 12V to 3.3V LDO buck converter Power
* Built-in 3.3V Power Load Switch for PCIe 3.3Vaux, 500mA
* Built-in SMBus Hot Swappable 2-Wire Bus Buffer
* LED1 PCIe +3.3V power ready
* LED3 PCIe 3.3Vaux power ready
* LED4 PCIe +3.3 power ready

Specificationa:
* PCI Express Base Specification Rev 3.0
* PCIe CEM Rev3.0
* PCI_Express_External_Cabling_R3.0a_06042020_NCB