A list of Add in Cards (AIC) storage controllers which plug internally inside a computer with a free PCIe x16 or x8 slot - M.2 SSDs are installed directly into the AIC itself which allows the Computer to host Extra M.2 SSD above the onboard storage M.2 SSD slots
Some AIC can offer NVMe RAID AICS functions which add both scalability, upgradeability for NVMe storage configurations, offering cross-compatibility within the same generation family and adjacent PCIe generations. A single AIC can directly host sixteen M.2 SSDs which can be used independently or configured into as many as 4 separate RAID 0, 1 or 10 arrays,
