Question $7$

Which SATA internal hard drive form factor is most often used in a tower computer?

$2\mathrm{.}25$inch$(5\mathrm{.}7cm)$

$2\mathrm{.}5$inch$(6\mathrm{.}4cm)$

$3\mathrm{.}5$inch$(8\mathrm{.}9cm)$

$5\mathrm{.}25$inch$(13\mathrm{.}3cm)$