The NSLU2 is a NAS (Network Attached Storage) fileserver that uses USB Hard Drives for storage. It has two USB ports and an ethernet port. It is essentially a tiny computer (with no screen or keyboard/mouse*) running Linux.

  • * The NSLU2 has no screen or input. You use another computer on the same network to configure/control it. You either type in it's IP addresss to access the web-based utility or TELNET into it. There is also VNC software.

Like the PSP there has been CFW made for it to allow more than the manufacturers intended purpose.


Since the Xbox has no USB ports but does have an ethernet port, it is ideal for Xbox users. They plug their Xbox into the NSLU2 via ethernet and plugin their USB Devices to the NSLU2 and they may access the USB devices from any Xbox file manager that can access samba or FTP shares. You can also use it as a Kai server.


With CFW one can plug a PSP into one USB port and a USB Device into the other and use USB Hosts to access content, such as homebrew/emulators and ROMs or ISO's, off the USB hard drive. This is ideal since the biggest Memory Stick is 16 GB, and it costs $200, but one can get a 260 GB USB Hard Drive for around $180. For more details, see the thread on Maxconsole about USB Hosts on the NSLU2

FTP/Mail Server

With CFW the NSLU can be used to setup a server (as it's a computer, see above). You install a program and the server's file get stored on the USB Device plugged in.

Advantages to using it over a computer

  • The NSLU2 starts up faster than a desktop computer since it's specialzed
  • The NSLU2 uses less power
  • The NSLU is very quiet (unless your hard drive makes noise, but you can use a flash device)


This device is called the NSLU2, this could imply it is an improvement over an older device simply called the NSLU (which could then become the name NSLU1 after two came out)

However, after finding out what it stands for, the 2 does not mean there is another NSLU before it as the 2 stands for "2.0" as in USB 2.0. NSLU stands for "Network Storage Link for USB 2.0"

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