The NAS200 is a network-attached storage

Network-attached storage

Network-attached storage is file-level computer data storage connected to a computer network providing data access to heterogeneous clients. NAS not only operates as a file server, but is specialized for this task either by its hardware, software, or configuration of those elements...

 appliance intended for the consumer market. It was originally marketed by the Linksys

Linksys

Linksys by Cisco, commonly known as Linksys, is a brand of home and small office networking products now produced by Cisco Systems, though once a separate company founded in 1995 before being acquired by Cisco in 2003...

 division of Cisco Systems

Cisco Systems

Cisco Systems, Inc. is an American multinational corporation headquartered in San Jose, California, United States, that designs and sells consumer electronics, networking, voice, and communications technology and services. Cisco has more than 70,000 employees and annual revenue of US$...

 in 2007.

The NAS200, the successor to the Linux

Linux

Linux is a Unix-like computer operating system assembled under the model of free and open source software development and distribution. The defining component of any Linux system is the Linux kernel, an operating system kernel first released October 5, 1991 by Linus Torvalds...

-based NSLU2

NSLU2

The NSLU2 is a Network-attached storage device made by Linksys introduced in 2004 and discontinued in 2008. It makes USB Flash memory and hard disks accessible over a network using the SMB protocol...

, has room for two internal SATA

Sata

Sata is a traditional dish from the Malaysian state of Terengganu, consisting of spiced fish meat wrapped in banana leaves and cooked on a grill.It is a type of Malaysian fish cake, or otak-otak...

 drives, a 10/100 Ethernet port, and supports FAT32-formatted external USB 2.0 drives. It comes with UPnP media-sharing software.

The NAS200 is built around a RDC semiconductor R3210-G — a RISC-based System-on-a-chip

System-on-a-chip

A system on a chip or system on chip is an integrated circuit that integrates all components of a computer or other electronic system into a single chip. It may contain digital, analog, mixed-signal, and often radio-frequency functions—all on a single chip substrate...

 that executes the Intel 80486

Intel 80486

The Intel 80486 microprocessor was a higher performance follow up on the Intel 80386. Introduced in 1989, it was the first tightly pipelined x86 design as well as the first x86 chip to use more than a million transistors, due to a large on-chip cache and an integrated floating point unit...

 instruction set. The NAS200's stock firmware supports only Microsoft Windows networking (CIFS). This firmware includes a Linux 2.6.19 kernel and uses an eCos

ECos

eCos is an open source, royalty-free, real-time operating system intended for embedded systems and applications which need only one process with multiple threads. It is designed to be customizable to precise application requirements of run-time performance and hardware needs...

-based boot loader.

A PC Pro

PC Pro

PC Pro is one of several computer magazines published monthly in the United Kingdom by Dennis Publishing. PC Pro also licenses individual articles for republication in various countries around the world - and some articles are translated into local languages...

 review said "transfer speeds were unimpressive" and found with average read speeds of 3.7 MB/s and average write speeds of 3.2 MB/s.
PC Magazine

PC Magazine

PC Magazine is a computer magazine published by Ziff Davis Publishing Holdings Inc. A print edition was published from 1982 to January 2009...

 found it a little faster at 4.7 MB/s with 500Gb Seagate

Seagate Technology

Seagate Technology is one of the world's largest manufacturers of hard disk drives. Incorporated in 1978 as Shugart Technology, Seagate is currently incorporated in Dublin, Ireland and has its principal executive offices in Scotts Valley, California, United States.-1970s:On November 1, 1979...

drives, but concluded it was too slow for movies.

The NAS200 is rather loud in standard room environments and with 7200RPM disks can get rather hot and cause the device to crash.