SA3220C 20 Port PCIe SATA Expansion Card, SATA III 6Gbps, ASM1164

20-PORT
SATA EXPANSION CARD: Adds 20 SATA III (6Gbps) drives to your desktop at once, turning one PCIe x4 slot into a 20-bay storage pool for unRAID, TrueNAS, ZFS, Proxmox or Windows Storage Spaces software RAID. Hardware RAID is not supported.; 85MB/S
ON EVERY PORT: PCIe 3.0 X2 upstream runs at 16GT/s, and each of the 20 SATA ports delivers up to 85MB/s, so large multi-drive transfers, media libraries and backup jobs finish fast with no bottleneck.; NO DRIVER, WIDE
COMPATIBILITY: Plug and play on Windows (except XP), Mac OS, Linux and NAS systems. Set SATA mode to AHCI in BIOS or UEFI before first install. This is a data storage HBA and does not boot an operating system.; 20
BUILT-IN LED INDICATORS: A steady red LED means the drive is powered, a flashing LED means it is reading or writing, so you can check every SATA drive at a glance without opening the case.; FITS X4/X8/X16 SLOTS, FULL
KIT INCLUDED: Ships with 20 x SATA III cables (350mm/ 13.5 in), 4 x 1:5 SATA power splitter cable. Pre-installed 12cm regular profile bracket, not available for mini/compact chassis installations.