Custodia SSD SATA 12,7 mm HDD Caddy 2,5 pollici per laptop secondo disco rigido vassoio interno
Although you can buy a bigger SSD, the problem is they are relatively expensive. Also you still have the old hard drive, HDD caddy is an economical solution. It is 12.7mm HDD caddy, it does not fit 9.5mm or 9.0mm optical drive bay.