Based on this product's specifications, here are some alternatives and similar models
RAID Controller EXSYS EX-3649 PCI Express x2 2.0
Summary description:
The EXSYS EX-3649 RAID controller supports mSATA and M.2 storage interfaces, offering RAID levels 0, 1, and JBOD. With a PCI Express x2 host interface and powered by the ASM1062R chipset, it ensures reliable data management. The controller features LED indicators for activity and power, making it easy to monitor performance. Compact dimensions of 126.7 mm depth and 93.4 mm height, with a weight of 300 g, make it suitable for various setups.