▁and ▁ 1 ▁GB ▁of ▁memory ▁was ▁ins u fficient . ▁ ▁Dave ▁Oliver ▁of ▁W ired ▁UK ▁gave ▁a ▁score ▁of ▁ 7 / 1 0 , ▁con cluding ▁that ▁while ▁the ▁S late ▁ 2 1 ▁could ▁be ▁" the ▁logical ▁next ▁step " ▁in ▁theory , ▁the ▁lack ▁of ▁apps ▁optimized ▁for ▁the ▁large ▁screen ▁meant ▁that ▁the ▁device ▁was ▁" not ▁quite ▁ready " ▁to ▁replace ▁Windows ▁computers . ▁In ▁a ▁positive ▁review , ▁Al un ▁Taylor ▁of ▁The ▁Register ▁described ▁the ▁device ▁as ▁" a ▁rather ▁good ▁notion ▁real ised ▁equally ▁well ". ▁He ▁pra ised ▁the ▁screen ▁and ▁speak ers ▁and ▁recommended ▁the ▁device ▁for ▁" dom estic ▁web ▁brow sing , ▁light ▁computing ▁duties , ▁social ▁networking ▁and ▁media ▁consumption ". ▁ ▁Vari ants ▁ ▁H P ▁S late ▁ 2 1 ▁Pro ▁ ▁The ▁H P ▁S late ▁ 2 1 ▁Pro ▁was ▁announced ▁during ▁C ES ▁ 2 0 1 4 . ▁It ▁includes ▁ 1 6 ▁GB ▁of ▁on board ▁storage ▁and ▁ 2 ▁GB ▁of ▁RAM , ▁twice ▁that ▁of ▁the ▁S late ▁ 2 1 . ▁Because ▁it ▁includes ▁an ▁HD MI ▁input ▁and ▁an ▁up stream ▁USB ▁port , ▁it ▁can ▁be ▁used ▁as ▁a ▁touch screen ▁display ▁when ▁plug ged ▁into ▁a ▁conventional ▁Windows ▁computer . ▁The ▁device ▁is ▁pre installed ▁with ▁Cit rix ▁Rece iver . ▁ ▁Michael ▁Brown ▁of ▁PC World ▁r ated ▁the ▁S late ▁ 2 1 ▁Pro ▁four ▁out ▁of ▁five ▁stars , ▁saying