Massive Storage Expansion: The 16 - port PCIe X1 SATA III Expansion Card allows your PC to access 16 SATA drives together, perfect for creating a large storage pool or setting up software - RAID in Windows, Mac OS, and Linux (no hardware RAID support). Swift Data Transfer: Powered by ASM1064 + 3 x JMB575, it has a PCI - Express 3.0 X1 upstream speed of 8GT/s. Each SATA port (1-15) get 41.5MB/s and SATA port (16) get 207.5MB/s bandwidth at max. Clear Status Indication: Featuring 16 built - in LEDs, drive monitoring is easy. A steady red light means normal operation, while a flashing one signals data read or write, keeping you updated. Wide Compatibility: Designed for simple use, this card is plug - and - play with Windows (except XP), Mac OS, Linux, and NAS systems. No need to worry about driver installs or compatibility. Easy Installation & Full Kit: It fits PCI - Express X1/X4/X8/X16 slots for simple setup. The package comes with 16 x SATA III cables, 3 x 1:5 SATA power splitte