16 int 12Gb/s ports x8 Gen4 ROC- LP 240 HDD w/expRoHS

Supermicro 12Gb/s Multi-Port SAS PCIe Gen 4.0 Internal RAID Adapter.

Key Features :

Low profile x8 PCIe Gen 4.0 root complex interface
Supports RAID 0, 1, 5, 6, 10, 50, 60, JBOD Mode
8GB DDR4 onboard cache memory – 2666MHz
Power consumption: 14 Watts for AOC-S3908L-H8iR
Supports 3.0, 6.0 and 12.0 Gb/s SAS data transfer rates and 3.0 & 6.0 Gb SATA
Support for MCTP over I²C/PCIe
Cachevault to protect onboard cache memory
Supercap - BTR-CVPM05 (Optional)
TFM – Included on-board
Supports advanced software Encryption - included
Supports in LSA Storage Authority Software WebGUI
Secure boot
UEFI Configuration utility
OS Support: Windows/Linux
Dimensions: 2.71" x 6.6" (H x L)
Thermal operating range: System dependent (55°C or higher w/ enough airflow)

Note, different version of the AOC-S3908L board exist and may restrict the qty of devices detected in the system.  Suffix on part code identify's where device limit is present : 

AOC-S3916L-H16iR -
16 internal SAS3 ports, Supports up to 240 physical devices w/ expander,
2x SlimSAS x8 black (100-Ohm) connectors

AOC-S3916L-H16iR-32DD -
16 internal SAS3 ports, Supports up to 32 physical devices w/ expander,
2x SlimSAS x8 black (100-Ohm) connectors