external hard drive options (make sure to double check PC/Mac compatibility). I have 2 of the WDs. a 5TB can hold 500,000+ photos, videos will obviously take up more space. hard drives are not meant to last forever though so a paid cloud backup service is a must! external hard drive | iPhone storage | photo storage | photo backup system | family keepsakes LTKHome LTKGiftGuide LTKmomlife