HP 910538-601 motherboard with Intel Atom is a system-board component for HP equipment. The exact part number identifies this board and helps distinguish it from other HP motherboard versions.
The listing identifies the board as being with Intel Atom and specifies HP as the compatible brand. It does not name a particular computer model, so the confirmed compatibility information is limited to the HP brand.
The listed package quantity is one piece. The source does not provide further details about processor model, memory, connectors, dimensions or included accessories.