In 2001, storage configurations and software integration were expanded. The constraints regarding the management of large-scale music libraries have become clear.
NW-E7
The NW-E7 is a Network Walkman in the E series that supports MP3 playback. It has 64MB of built-in storage and supports ATRAC and MP3 audio playback. It has an LCD display, supports long operating time with a single AA battery, and uses a dedicated USB cradle for transfer.
NW-E8P
The NW-E8P is a Network Walkman in the E series that inherits the configuration of the early flash memory generation. It has 64MB of built-in storage and supports ATRAC format audio playback. It has an LCD display and can be powered by a single AA battery.
NW-E10
The NW-E10 is a high-capacity Network Walkman part of the MP3-compatible generation. It features 128MB of internal storage and supports ATRAC and MP3 audio playback. It has an LCD display, supports long operating time with a single AA battery, and uses a dedicated USB cradle for transfer.
NW-MS11
The NW-MS11 is the second-generation Memory Stick Walkman, succeeding the NW-MS7, and supports capacity expansion. It supports 128MB Memory Sticks and ATRAC format audio playback. It has an LCD display that can show track information.
In 2001, structural challenges in digital music management became clear. This resulted in updated interface and software designs.


