Are you looking for small pre-built systems for implementing your Linux-based projects or products? Look no further. In response to numerous inquiries, LinuxDevices.com has assembled a reference list of small systems that can serve as ready-made platforms for prototyping applications, or as the basis of application-specific Linux-based systems and devices. The style, performance, and costs of these systems vary greatly.

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CompuLab Fit-PC2 — Mar. 17, 2009 — CompuLab's 4 x 4.5 x 1.0-inch Ubuntu Linux PC draws six Watts and costs $245-to-$400. The Fit-PC2 packs a 1.1GHz or 1.6GHz Intel Atom processor, 160GB hard drive (or SSD), and DVI/HDMI video up to 1920×1080 into a passively cooled case smaller than three CD cases.

SheevaPlug Plug Computer — Feb. 24, 2009 — Marvell Semiconductor's 4.0 x 2.5 x 2.0-inch mini-PC hardware/software development kit plugs into a power outlet and is suitable for always-on home automation devices and service gateways. Resembling a “wall-wart” power adapter, the SheevaPlug Plug Computer design is built around a Marvell 88F6000, or “Kirkwood” SoC, draws 5 Watts, comes with Linux, and boasts completely open hardware and software designs.

Colmek Stinger — Jan. 26, 2009 — Colmek's 5 x 5 x 3-inch tactical mission computer features an Intel Atom and 128GB of SSD (solid state disk) storage. The “Stinger” runs Linux, sports a wealth of interfaces, operates at high altitude, and meets military standards for resisting shock, vibration, and EMI (eletromagnetic interference).

CompuLab Fit-PC Slim — Sep. 16, 2008 — CompuLab's tiny fanless PC draws only 4-6 Watts of power. The Linux-ready “Fit-PC Slim” measures 4.3 x 3.9 x 1.2 inches, but includes a 500MHz AMD Geode LX800, Ethernet, VGA output, WiFi, and a 2.5-inch hard drive option.

Bug Labs Bug — Sep. 08, 2008 — Bug Labs's tiny, open-source ARM11-powered BugBase (pictured) offers three add-on modules, with more to come. Based on Poky Linux, the BugBase measures 5 x 2.5 x 0.6 inches, offers USB, Ethernet, and a mini-LCD, and is available with modules including an LCD screen, GPS receiver, and accelerometer/motion detector.

Shimafuji Space Cube — Aug. 28, 2008 — Shimafuji's two-inch cubed computer runs Red Hat Linux on 1GB of flash. The Space Cube is equipped with a MIPS-based NEC VR5701 processor, 64MB RAM, and numerous I/O connections, including a Firewire-like “SpaceWire” port designed for spaceflight.

CherryPal C100 — Jul. 22, 2008 — CherryPal's two-Watt, $250 ultra-mini PC runs Debian Linux, weighs 10 ounces, and measures 1.3 x 5.8 x 4.2 inches. Based on a 400MHz PowerPC-based SoC from Freescale, the solid-state CherryPal C100 Desktop offers managed “cloud” computing paid for by advertising rather than a monthly fee.

Mercury PowerBlock 50 — May 05, 2008 — Measuring only 4.1 x 5.3 x 5.8 inches and weighing 7-10 pounds, this Mercury Computer Systems military PC targets small ground, naval, and air vehicles. The “ruggedized” PowerBlock 50 supports multiple processors to provide “well over 100 GFLOPS of processing power,” and ships with a Linux-based engineering development kit (EDK).

Delock DL-18HD — Feb. 29, 2008 — Delock's industrial PC measures 4.7 x 4 x 2.8 inches, weighs just 14.1 ounces, and requires only a 15-Watt power supply. Designed for DIN-rail mounting, the DL-18HD runs Linux on a 1GHz Via C7 processor integrated in a Via pico-ITX motherboard, and offers hard disks up to 300MB, as well as an optional quad-band cellular modem.

Linutop Linutop 2 — Feb. 20, 2008 — This upgraded version of Linutop's flagship mini-PC runs Xubuntu Linux. The Linutop 2 offers a faster 500MHz Geode processor, 512MB of RAM and 1GB of Flash, along with a new optional VESA mounting bracket.

Parvus DuraCOR 820 — Feb. 05, 2008 — Developed by Eurotech subsidiary Parvus, this rugged tactical mission computer is designed for space/weight-constrained military/aerospace deployments. The DuraCOR 820 Small Tactical Mission Computer measures 3.0 x 4.3 x 7.0 inches, weighs 3 pounds, offers multiple I/O, and incorporates a conductively cooled Intel Pentium M738 clocked at 1.4GHz, with 2MB of second-level cache.

Icop eBox-4300 — Dec. 03, 2007 — This tiny, silent PC from DMP Electronics and subsidiary Icop Technology measures 4.5 x 4.5 x 1.4 inches, has a 500MHz x86-compatible Via Eden ULV processor, and supports up to 1GB of RAM. The eBox-4300 offers an Ethernet port, two serial ports, and a CompactFlash expansion slot.

STTech picoPC1 and picoPC2 — Nov. 28, 2007 — Based on Via's Epia PX10000G pico-ITX motherboard, these two tiny PCs from U.K.-based Sharp and Tappin Technology (STTech) measure as little as 5 x 3.4 x 1.5 inches. The picoPC1 and picoPC2 offer a Via C7 clocked at 1GHz, and feature separately available cases fashioned from billet aluminum.

Manufactum Manuscriptum — Nov. 05, 2007 — This low power mini-PC from German Web retailer Manufactum measures 7.1 x 4.4 x 1.9 inches, weighs two pounds, and runs Debian Linux. The Manuscriptum is based on a 500MHz AMD Geode LX800, is equipped with an 80GB hard drive, and offers 1920 x 1400 graphics.

Chumby — Nov. 05, 2007 — Chumby's Linux-powered device measures 5.5 x 4.25 x 3.25 inches, and is designed for the bedside, desktop, and kitchen counter. The alarm-clock sized “Chumby” has hackable Linux hardware, software, and outerware, connects via WiFi, offers a touchscreen and accelerometer, and can be programmed to display everything from clock faces to stock quotes.

Kontron Intelligent Minicomputer (KIM) — [Dec. 2006] — A line of compact, customizable, multifunctional computers based on Kontron's mini-ITX motherboard family, the KIM (“Kontron intelligent mini-computer”) series will ship in February, 2007, in custom and standard configurations, powered by Intel processors ranging from the Celeron M to Core 2 Duo. details

Linksys NSLU2 — [Nov. 2006] — Although sold as a NAS add-on for USB drives, the NSLU2 has become a popular development platform for ARM-based projects, due to excellent Debian support.

SD Omega SD631C and SD631CH — [Nov. 2006] — A pair of high-end in the Hong Kong-based mini-PC maker's extensive line of more than 20 Linux-friendly car PC models, the SD631C and PCI-slot-equipped SD631CH support Intel Pentium M and Celeron M processors at over 2GHz, and include car-specific features. details

Smart Modular Technologies XCeedPC/Geode — [Nov. 2006] — A compact, embeddable, PC-compatible system based on the AMD Geode LX processor, the XceedPC/Geode supports Linux and targets cost-sensitive embedded-PC applications such as kiosks, digital signage, and point-of-sales (POS) systems. details

Adlink General Embedded Machine Engine (GEME) — [Nov. 2006] — A high-end model in Adlink's line of PC-compatible embedded controllers, the GEME-5000 supports Linux, and targets applications that require continuous operation and remote control, such as machine tools and digital video capture. details

Mini-Box Mx00 mini-ITX systems — [Nov. 2006] — Ituner subsidiary Mini-Box.com's four highly modular Via-based barebones mini-ITX PCs are available with or without PCI card headroom, and with or without media PC LCDs and IR receivers. The systems run Linux and other PC OSes. details.

Gumstix Netstix — [Oct. 2006] — Gumstix has juiced up its tiny Linux Netstix PC line, based on its gumstick-sized SBCs (single-board computers). The 400xm-cf model boasts a 400MHz PXA255 processor, and comes preinstalled with Linux 2.6.17. Details here and here

Technologic TS-7400 — [Oct. 2006] — Technologic $100 ARM9-based TS-7400 board can boot Linux in 1.1 seconds, and is available as part of a tiny WiFi-enabled system. details

Ampro MightySystem 800 and 821 — [Sep. 2006] — A complete mini-ITX system, the MightySystem 800 supports Intel CPUs up to 1.4GHz, while the forthcoming 821 adds PCI Express and supports Intel CPUs up to 2GHz. Both ship with Linux, and target multimedia applications. details

E-Way Technology Systems TU-40 — [Sep. 2006] — A tiny, 200MHz x86-compatible mini PC for $99, in single quantities, the TU-40 is passively cooled, comes with 128MB of RAM, and can run lightweight versions of Linux, such as Puppy, the company says. details

Lix Systems LX8100MN barebones HTPC — [Aug. 2006] — A low-cost Linux powered home theater PC (HTPC) packaged in a compact, consumer electronics-style enclosure, the Lx8100-MN, available “barebones” (sans CPU, memory, and hard drive) for around $300, offers quiet operation and is supplied with an easily-installed Fedora 5-based system image on DVD. details

NohrTec MicroClient Jr. — [Aug. 2006] — A tiny, sub-$100 PC capable of running Puppy and other lightweight Linux distributions, NorhTec's MicroClient Jr. measures 4.5 inches square, draws 8 Watts, and has a 166MHz Pentium-compatible processor with three integer units. It targets thin-client, kiosk, and electronic signage applications. details

MPL Packaged Industrial PC 9 (PIP9) — [Aug. 2006] — A new model in MPL's line of “Packaged Industrial PCs” (PIP), the PIP9 is based on a 1 GHz Celeron M processor, and boasts an extensive set of “PC compatible” functions in a compact, industrial-strength package, according to the Switzerland-based company. details

Acrosser AR-ES0831 series — [Aug. 2006] — The compact, low-power, industrial AR-ES0831 series supports Linux, and is aimed at space-constrained applications such as kiosks, environmental monitoring, and medical instruments, according to the company. details

ARInfotech Teak 3011 — [Jul. 2006] — An entry-level, fanless network security appliance platform said to draw just 2.4 Watts, the Teak 3011 is based on an x86-compatible AMD Geode processor, comes housed in a compact steel chassis, and targets security appliances for SMBs. details

Acrosser AR-ES0631 — [Jun. 2006] — A lower power, fanless embedded system targeting POS (point-of-sales/service), kiosk, environmental monitoring, ticketing, medical, and automotive applications, the AR-ES0631 comprises an EPIC form-factor, x86-compatible Geode-powered SBC (single-board computer) housed in a rugged, lightweight, dust-proof aluminum chassis. details

Genesi Efika 5K2 — [Feb., 2006] — A PowerPC-based system for the embedded and desktop markets, the Efika 5K2 is free to developers with ideas for projects deemed to enhance PowerPC platform computing. Genesi says it has so far approved more than 140 such projects. details

C Data Solutions CompactFlash Computer — [Nov. 2, 2005] — A CompactFlash card form-factor PC that supports peripherals with serial interfaces, including Flash storage devices, and CFIO cards for GSM/GPRS, GPS, Bluetooth, and data acquisition. C Data Solutions's Compact Flash Computer comes with uClinux, and targets rapid prototyping applications. details

A-Open Mini-PC — [Nov. 1, 2005] — A tiny Linux-powered PC likely to make even Mac Mini owners envious, the AOpen MiniPC measures 6.5 x 6.5 x 2 inches, is powered by an Intel Pentium M or Celeron M processor. It comes with Linspire Linux. details

Media Stream Technologies eBox — [Oct. 13, 2005] — A tiny x86-based platform targeting space constrained embedded applications such as kiosks, mini PCs, and network appliances, the fanless eBox-3800sl and 3850ps feature a low-power Via Eden processor that supports Linux. details

Via VoomPC — [Sep. 30, 2005] — Chip and boardmaker Via has partnered with an online retailer to create a car PC targeting in-car navigation and infotainment applications. The $300 “Voom PC” is supported by a media-oriented embedded Linux operating system, and is based on one of Via's newest, most powerful mini-ITX motherboards. details

Ampro /White Electronic Designs ReadyPad — [Sept. 13, 2005] — Ampro Computers and White Electronic Designs have teamed up to package Ampro's compact EPIC-compatible single-board computers (SBCs) inside a small industrially-oriented keyboard. details

Atavo NTA 6010 — [Jul. 29, 2005] — We've discovered a $150 Linux-based thin-client PC based on a 433MHz Via Eden processor. The Ntavo NTA 6010A comes equipped with 64MB of DIMM DRAM and 64MB of CompactFlash memory, and a display controller that supports up to 1280×1024 pixels in 24-bit color. Expansion ports include 3 USB, 2 serial, parallel, PS/2 keyboard/mouse, audio in/out, and 10/100 Mbps Ethernet. With DIMM-socketed DRAM, 3 USB ports, an available internal PCI slot, and a built-in CompactFlash socket, it sounds like a gloriously hackable platform. details

Sun JBox — [Jun. 24, 2005] — Sun Microsystems, Via Technologies, and iGoLogic teamed up on the JBox, an x86-based development kit for embedded applications based on Sun's Java 2, Standard Edition (J2SE). The compact, fully packaged system is supplied with a choice of Linux or Sun's Solaris operating system.

Concept Distribution miniPC — [Jun. 15, 2005] — A tiny Geode-based PC available with a choice of Linux operating systems. The “miniPC” measures 5.5 x 5.1 x 1.4 inches (13 x 14 x 3.5cm), and is available with thin-client and general-purpose Linux OSes. Details

PC Engines WRAP — [Mar. 22, 2005] — The PC Engines WRAP is a small, inexpensive Geode-based SBC (single-board computer), also available with a case, that is popular with embedded Linux router and firewall enthusiasts. The WRAP supports a number network-oriented Linux distributions, including free distributions such as Monowall, LEAF and Locustworld MeshAP (MITC port) have been ported to WRAP. Commercial offerings include StarOS and Ikarus OS.

Axiomtek eBox 746-EFL — [Mar. 21, 2005] — A passively cooled embedded PC based on a Via Eden processor. It adds a mid-line model to Axiomtek's eBox series, which also includes models based on Pentium M and AMD Geode processors. Like other eBox models, the 746-EFL supports wall-mount or DIN rail mounting, and targets industrial embedded applications.

Apple MiniMac — [Mar. 20, 2005] — Apple's Mac Mini can be used as an embedded Linux platform. It has a fast processor and lots of connectors, it's inexpensive, and it supports a variety of free development tools. Best for kiosks and one-off projects.

Axiomtek eBOX745A-EFL300 — [Nov. 24, 2004] — An ultra low power fanless embedded platform powered by an AMD Geode 300MHz processor. For fanless designs, this platform operates noiselessly with high reliability. This device can work from -25 ~ 60C to meet wide temperature range industrial applications, in markets such as POS, Kiosk, ATM, Thin Server, diskless workstation, building automation, and tour bus display.

Techsol Gateway 38-000010-210 — [Nov. 8, 2004] — Techsol is offering a compact, low-powered, Linux computer based on a CPU module available from 50 to 600MHz. Techsol's Gateway 38-000010-210 uses the company's 32-bit ARM-based Medallion CPU modules preinstalled with a full embedded Linux OS. It targets industrial control and monitoring, in-vehicle and solar-powered systems, communications concentrators, translators, and data loggers.

Buffalo Technologies Kuro Box — [Oct. 4, 2004] — An inexpensive PowerPC development platform roughly the size of a toaster, the Kuro Box sells for $160 and comes with Linux and a variety of open source software. A Kuro-Box “HD” model is also available, with similar specifications to the LinkStation NAS device.

Fujitsu Siemens Futro S thin client — [Jul. 7, 2004] — Fujitsu Siemens has launched a line of solid-state thin clients that use just 25 watts, or 80 percent less power than PCs. The Futro S clients run embedded Linux on Transmeta processors, are no larger than medium-sized books.

Nimble PC — [Jul. 6, 2004] — Nimble Microsystems has unveiled a small, low-power, SuperH-based fanless computer that comes with Linux, supports PoE (power-over-Ethernet), and has two Ethernet ports and two mini-PCI slots suitable for 802.11x wireless cards or other internal expansion. …

Personal Media Corp. Teacube — [Jun. 18, 2004] — This PC/AT compatible system is verified with Linux, but comes pre-installed with a BTRON compatible realtime kernel and various applications. It is intended as a T-Engine demonstration platform, but is also available direct for kiosk applications. Linux tools are available for the Teacube.

SnapGear: SecureEdge — [May 20, 2004] — These highly compact and smart-looking Linux-based platforms are implemented in a range of processors including x86, Motorola ColdFire, and more. I/O includes USB, 10/100 Mbps Ethernet, serial ports, PCMCIA, IDE and others. SnapGear sells these systems as development platforms as a starter for their complete custom design solutions including turn-key manufacturing and fulfillment.

A-Open barebones system — [May 12, 2004] — This build-it-yourself PC comes with a built-in option to boot into an embedded media environment based on embedded Linux.

C2Central: UIB — ]May 12, 2004] — [Feb. 7, 2001] — With its unusual appearance and small size, this little system offers some interesting possibilities for highly distinctive Linux-based devices. The device is based on an Acer Labs (ALi) x86 compatible CPU and includes 8MB RAM, an 8MB DiskOnChip, a 2×16 LCD display, 2 LEDs, and 2 programmable pushbuttons. Some versions also include a built-in 33.6K bps modem

Mycable XXS1500 — [Jan. 19, 2004] — The XXS1500 embedded Linux system is based on AMD's Alchemy Au1500 MIPS23 architecture system-on-chip processor. The 3-watt system is fully supported by the linux-mips kernel tree and includes 64 or 128 MByte SDRAM, 16 MByte Flash, 2 x Fast Ethernet, USB 1.1 Host, 2 x serial RS232, CompactFlash Slot, Stereo Audio in/out (AC97-codec), PCI Rev. 2.2 (66 MHz) on XXS PCI-combined connector, and USB 1.1 Device on PCI-combined connector. Several expansion modules, as well as a smaller case, are also available for the XXS1500.
Cyclades TS100 — [Aug. 7, 2003] — A mere 2.8 x 3.4 x 1.2 inches in size, the TS100 provides interfaces to 10/100-BaseT Ethernet and RS232/RS485 serial, and is based on a dual-core Motorola MPC855T “PowerQUICC Integrated Communications Processor” with 16MB of SDRAM and 4MB of Flash memory. The diminutive server runs a Linux kernel 2.2.14, along with a variety of open source utilities including the GoAhead webserver (for the Web Management Interface), Portslave, OpenSSH 3.1, crontab, Busybox, nettools, rsyncm, and others.

Intrinsyc: CerfCube — [Jul. 11, 2003] — This miniscule Linux system occupies just 0.015 cubic foot. Inside the three cast aluminum cube is a tiny SBC (available separately as an OEM product). The most recent version features a IBM PowerPC 405EP embedded processor, 32MB of Flash Memory, 32MB of SDRAM, a 10/100 Ethernet port (expandable to two), two serial ports, programmable digital I/O, mini-PCI cards bay and JTAG.

Nexedi: OpenBrick — [Jul. 15, 2002] — A compact (7.1 x 4.6 x 1.6 in.), fanless system based on a PC/104-expandable single-board computer with a 300MHz Geode processor and up to 128MB RAM. I/O includes PS/2 mouse and keyboard ports, parallel port, dual-USB ports, serial port, SVGA and TV video, Ethernet, and both CompactFlash and PCMCIA expansion slots.

Axis: Device Server Platform — [May 2, 2002] — A highly compact enclosed version of the Axis ETRAX Developer Board, which is based on a 100 MHz 32-bit RISC CPU with MMU (the ETRAX 100LX system-on-chip) and provides controllers for 10/100 Mbit/sec Ethernet, 2 sync and 4 async serial, dual parallel, 2 USB, SCSI, and EIDE. External connectors are provided for Ethernet, COM1, COM2, and RS-485.

Team ASA: Npower Server — [Jun. 21, 2001] — Here's a system that matches the dimensions of a 5.25-inch disk drive. This one is based on the new Intel XScale processor at up to 733 MHz clock rates, and includes 128 MB of SDRAM and 4MB of Flash ROM, a built-in high performance SCSI hard drive, and a Gigabit Ethernet LAN interface. The system's internal single-board computer is also available as a product.

GCT-Allwell: Set-top Boxes — [Jun. 16, 2001] — This Taiwan-manufactured a family of small “pizza-box” style systems make great platforms for Linux-based set-top boxes, firewall/router appliances, thin clients, and other projects and products. They are basically PC compatible architectures implemented with a minimum of components and a full set of interfaces (including Ethernet and video), offered at very reasonable prices. Be sure to read this how-to article about using one of these systems in a typical Linux-based project.

The NIC Company: NIC — [Jun. 8, 2001] — This “thin client” system is packaged in a box similar to the GCT/Allwell ones (mentioned above), but is sold in the US at a very reasonable price ($200) complete with Linux loaded from a built-in CDROM drive. The system contains a 266 MHz MediaGX processor, 64 MB of memory, sound, 10/100 Mbps Ethernet, modem, two USB ports, and a 4 MB Flash disk. With its low price and high integration, the NIC should make a great platform for many custom Linux-based projects or products.

Advantage Business Computer Systems: TCSX-1 — [May 18, 2001] — This very small and fairly rugged system was designed to serve as a thin client using the LTSP (Linux terminal server project) version of Linux, but can be used in numerous other diskless (or ROMdisk-based) embedded Linux apps. The CPU is an STPC 586-class processor and it provides interfaces for PS2 keyboard/mouse, floppy & hard drives, serial & parallel ports,10/100 Mbps Ethernet, and a 69000 based display controller.

Total Impact: briQ — [Jan. 22, 2001] — Here's another system that matches the dimensions of a 5.25-inch disk drive. The briQ is based on a PowerPC G3 or G4 processor and is equipped with up to 512MB of SDRAM, a 10/100 Mbit Ethernet port, and an internal hard drive. The system's internal single-board computer is also available as a product.

Prefer to package an SBC in your own enclosure?

Another possibility is to package a small “Linux-friendly single-board computer” (SBC) in your own enclosure. You can find info on all sorts of compact, Linux-friendly SBCs in The Linux-friendly SBC Quick Reference Guide.

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