Useful features and attributes on this model include: You can connect common external devices such as hard ... drive if you need one. About The HP Envy TE01-4254 is a full-size desktop computer.

so you'll have to buy an external drive if you need one. About The HP Envy TE01-5364 is a tower desktop computer in a full-size form factor. It has 32GB of memory and a 1TB solid-state drive.