M.2 Interface

The Rhino Pi IQ9N (Rhino Pi IQ9N) provides 1 M.2 Key-M slot and 2 SATA III interfaces, and also reserves a Micro SD card slot, meeting the multi-drive storage requirements of AI NAS scenarios.

Interface Specifications

For the positions of the M.2 and SATA interfaces on the board, see the interface layout diagram in Rhino Pi IQ9N Interface Description on the first page.

Interface Type	Quantity	Bus	Description
M.2 Key-M	1	PCIe 4.0 x4	Supports NVMe SSD
SATA III	2	USB 3.0 (5 Gbps) → 2 x SATA 3.0 (6 Gbps)	Exposed via a USB 3.0 to SATA bridge chip
Micro SD	1	SD3.0 / SDR104 (4-bit)	Dual-level capable, used for storage expansion

Complete Device Storage Solution

In the complete AI NAS solution, the storage configuration is as follows:

• System and cache: M.2 Key-M NVMe, 2TB capacity
• Data drives: supports 2 x SATA SSD
• Slot design: must be a cold-swap slot with a damping effect

Viewing Disk Information

After inserting a drive, you can use the following commands to view block devices:

lsblk

View partitions and file system usage:

df -h

View detailed SATA / NVMe device information:

sudo lshw -class disk

Notes

• Before installing an M.2 drive, disconnect the device power to avoid damage from hot plugging.
• The M.2 Key-M slot carries PCIe 4.0 x4 NVMe signals, so make sure the drive specification matches the slot bus type.