" the first HDD I bought had a capacity of twenty megabytes, but apparently, this spring, an SD card with sixty-four gigabytes is going on sale… "

― Reki Kawahara , アクセル・ワールド 04 蒼空への飛翔 [Akuseru Wārudo 4: Aozora e no Hisyō] (Accel World Light Novel, #4: Flight Towards the Blue Sky)