from the fine article: according to the SD Physical Layer Specification, “Card Capacity means the sum of User Area Capacity and Protected Area Capacity” Which

from the fine article: according to the SD Physical Layer Specification, “Card Capacity means the sum of User Area Capacity and Protected Area Capacity” Which makes sense from a manufacturing perspective...what hardware is required to make the thing? Also makes sense from a marketing perspective...bigger is better right? And legally, it's right there in the fine print...that's what "SD" means your honor.