Which of the following is a common component found on ultra thin laptops and tablet devices?

SSDs use NAND flash memory with no spinning platters or moving heads, making them significantly thinner and lighter than traditional HDDs, which is essential for ultra-thin form factors. Their low profile and shock resistance make them the standard storage choice in ultrabooks and tablets.

Touch screen interfaces are common on tablets but are not a universal or defining component of ultra-thin laptops specifically.

Ultra-thin laptops typically have RAM soldered directly to the motherboard to save space, making upgradeable RAM uncommon rather than a common feature.

Ultra-thin and tablet devices are generally not field-serviceable; their highly integrated designs make component-level repair difficult or impossible.