ODROID-XU4/Q Recertified units have been thoroughly tested and are guaranteed to be fully functional and in excellent working condition. As recertified products, they may not include the original retail packaging and could be shipped in alternative protective packaging. ODROID-XU4 has been discontinued, consider another ODROID boards: ODROID-M1S ODROID-N2L ODROID-C4 ODROID-N2+ ODROID-M1 Big power in a small package! The ODROID-XU4 packs an octa-core Heterogeneous Multi-Processing ARM CPU, 2GB of high-speed RAM, 2x full-sized USB3.0 ports, Gigabit Ethernet and more into one great solution! The ODROID-XU4 is a new generation of single board computer with hardware that's more powerful, more energy-efficient and has a smaller form factor! Built on open-source software, the XU4 supports various flavors of Linux including the latest Ubuntu 18.04 running MATE desktop and Android 4.4 KitKat and 5.0 Lollipop. With the high-performance combination of eMMC 5.1, USB3.0 and Gigabit Ethernet, the ODROID-XU4 boasts amazing data transfer speeds - speeds that are a necessity with many of today's computing tasks like intensive 3D applications, streaming, browsing and gaming. Links to compliance documentation available at the bottom of this listing. KEY FEATURES Samsung Exynos5422 Cortex™-A15 2Ghz and Cortex™-A7 Octa core CPUs Mali-T628 MP6 (OpenGL ES 3.0/2.0/1.1 and OpenCL 1.1 Full profile) 2GB LPDDR3 RAM PoP stacked eMMC5.0 HS400 Flash Storage 2 x USB 3.0 Host, 1 x USB 2.0 Host Gigabit Ethernet port HDMI 1.4a for display Operating temperature range: approx. -10C to +45C Size: ~82 x 58 x 22 mm (including heat sink) Fully software compatible with ODROID-XU3 and XU3-Lite Low cost, small form factor, high performance! INCLUDES ODROID-XU4 Board Active cooling fan (mounted) REQUIRES microSD or eMMC module to contain the operating system RECOMMENDED Power Supply 5V/4A with 5.5mm/2.1mm barrelor 5V/6A with 5.5mm/2.1mm barrel (when using an external USB3.0 HDD) Full-sized HDMI cable (to connect to a display) Keyboard/mouse RTC battery Case LINKS ameriDroid Learn - https://ameridroid.com/blogs/ameriblogs/tagged/odroid-xu4 XU4 User Manual - http://magazine.odroid.com/odroid-xu4 Technical Details - https://wiki.odroid.com/odroid-xu4/odroid-xu4 Wiki - https://wiki.odroid.com/odroid-xu4/odroid-xu4 Schematics - http://dn.odroid.com/5422/ODROID-XU3/Schematics/XU4_MAIN_REV0.1.pdf PCB Mechanical Drawings (AutoCAD format) - http://dn.odroid.com/homebackup/XU4_MAIN_REV0.1_DXF.DXF XU4 3D Model generated with caliper measurements (Solidworks format) - https://grabcad.com/library/odroid-xu4-mockup-1 Official Case Design File - http://www.hardkernel.com/main/products/prdt_info.php?g_code=G143522987777 Display Resolution Compatibility Chart - http://odroid.com/dokuwiki/doku.php?id=supported_resolutions How to change the MAC address - https://wiki.odroid.com/odroid-xu4/troubleshooting/change_mac COMMUNITY Mikronauts Preview - http://www.mikronauts.com/hardkernel/hardkernel-odroid-xu4-preview/ Mikronauts Review - http://www.mikronauts.com/hardkernel/hardkernel-odroid-xu4-review/ CNX Software Review - http://www.cnx-software.com/2015/07/14/odroid-xu4-board-is-a-smaller-and-cheaper-version-of-odroid-xu3/ Unlockpwd.com Review - http://www.unlockpwd.com/odroid-xu4-dev-board-official-to-74-but-it-is-very-similar-to-odroid-xu3/ CERTIFICATIONS FCC - https://wiki.odroid.com/_media/en/xu4/en/fcc_odroid-xu4.pdf CE - https://wiki.odroid.com/_media/en/xu4/en/ce_odroid-xu4_2017.pdf RoHS - https://wiki.odroid.com/_media/odroid-xu4/hardware/doc_odroid-xu4_xu4q.pdf KCC - https://wiki.odroid.com/_media/en/xu4/en/kcc_odroid-xu4.pdf Warranty is valid for thirty days, starting upon date of receipt.