Storage features

The following features are supported for the various storage types on Qualcomm® Linux®.

UFS device features

The following UFS device features are supported.

Feature	Description
Number of lanes	Only 2 lanes are supported.
Gear	High-speed (HS) Gear 1, 2, 3, and 4 are supported.
Low-power mode	Supports link hibernate and device sleep modes. For more information about the supported modes, see UFS power management states.
Embedded UFS device	Supports only the embedded UFS device. Hot plug isn’t supported.

The following eMMC features are supported.

Feature	Description
Speed	DDR50, HS200, HS400, HS400 Enhanced mode
Sleep mode	Supports clock gating and auto suspend features. See eMMC power management states for more information.
Command queuing	Supports multiple commands to be sent to the storage device at once.

The following SD card features are supported.

Feature	Description
Number of bits	SD card operates in 4-bit mode.
Speed	SDR50, SDR104, DDR50
Hot-plug capability	Supports hot plug capability.

The following NVMe features are supported.

Feature	Description
Lanes	4 lanes are supported for NVMe over the PCIe port (PCIe1).
Interface	NVMe provides a high-speed serial interface.
Protocol	The NVMe protocol optimizes NAND flash and next-generation SSD technologies, enabling efficient command processing and reducing overhead.