2x M.2 SATA or 1x M.2 NVMe Riser Card in Big-Twin (for 2 modules)
1U Riser card w/ 2x M.2 SATA or 1x M.2 NVMe Controller - 2x 2x M.2 Port ( 2x M.2 SATA 2280 or 1x M.2 NVMe 2280) Internal Ports - Add-on-Module Slot

Adaptec 81605Z 16-Port SATA/SAS RAID PCIe x8 w/ 1MB Controller
SATA/SAS 12.0Gbps Controller - 4x SFF-8643 Mini-SAS HD Internal Ports - PCI-Express 3.0 X8 Slot - Low-Profile - RAID 0/1/1E/5/6/10/50/60/JBOD Supported - PMC PM8063 ROC Controller - 1024MB DDR3 Cache - Up to 16 Drives - AFM-700 (Included) Flash Backup - No Cable(s) Included - Retail Box - Windows / Linux / FreeBSD / Solaris / VMware Compatible

Adaptec SmartRAID 3154-16i SATA/SAS 12.0Gbps PCIe x8 RAID Controller
SATA/SAS 12.0Gbps Controller - 4x SFF-8643 Mini-SAS HD Internal Ports - PCI-Express 3.0 X8 Slot - Low-Profile - RAID 0/1/5/6/10/50/60 Supported - Microsemi SAS 12Gbps RoC Controller - 4096MB DDR4 Cache - Up to 16 Drives - Zero-Maintenance Cache Protection (Included) Flash Backup - No Cable(s) Included - Retail Box - maxCache 4.0 SSD Caching - Windows / Linux / FreeBSD / Solaris / VMware Compatible

Adaptec SmartRAID 3154-8i 8-Port SATA/SAS 12.0Gbps PCIe x8 RAID Controller
SATA/SAS 12.0Gbps Controller - 2x SFF-8643 Mini-SAS HD Internal Ports - PCI-Express 3.0 X8 Slot - Low-Profile - RAID 0/1/5/6/10/50/60 Supported - Microsemi SAS 12Gbps RoC Controller - 4096MB DDR4 Cache - Up to 8 Drives - Zero-Maintenance Cache Protection (Included) Flash Backup - No Cable(s) Included - Retail Box - maxCache 4.0 SSD Caching - Windows / Linux / FreeBSD / Solaris / VMware Compatible

2-Port Slimline x8 for 4-NVMe - PCIe4.0 x16 HBA Card (LP/ reg)
Dual Slimline x8 NVMe Ports Controller - 2x SFF-8654 Slim-SAS Internal Ports - PCI-Express 4.0 X16 Slot - Full-Height / Low-Profile ( LP-MD2) - Up to 4 NVMe Drives

1U WIO LHS Riser card: w/ 1x PCIe3.0 x16, 1x PCIe3.0 x8 slots
1U WIO Riser Card w/1x PCIe16 1x PCIe8 Controller

1U Ultra UIO Riser : w/ Dual 10G-LAN Intel X540 RJ45 Ports, 6x NVMe Ports
1U Ultra Riser w/ 2x 10G-LAN RJ45 Ports, 6x NVMe ports Controller - 6x NVMe Internal Ports - 2x 2x 10GLAN RJ45 Ports ( Intel X540 chipset) External Ports - Intel X540 Controller