Mixtile Launches Compact, Expandable Edge 2 Kit for Edge Computing in the Internet of Things

Offering clever expansion through a U.2 slot at the side and with an optional 12-hour battery pack, this compact box packs in the features.

Fresh from the launch of its stackable Blade 3 cluster computers, Mixtile has announced a new single-board computer design built with the Internet of Things (IoT) firmly in mind: the Mixtile Edge 2 Kit.

"[The] Edge 2 Kit is built around the Edge 2 single-board computer, adding more capabilities such as a customizable enclosure and two external Wi-Fi antennas for rich wireless connectivity," the company explains of its latest design. "The edge computing device Edge 2 Kit provides a high-performance ready-to-run IoT edge computer with a 3.5-inch form factor, six reserved antenna ports, expandable with mini-PCIe and M.2 modules, and preload[ed] Android 11 and Linux container."

The single-board computer inside the chassis β€” technically a system-on-module held in a bundled carrier board β€” is powered by a Rockchip RK3568 system-on-chip, offering four Arm Cortex-A55 cores running at up to 2GHz, a neural coprocessor unit with a claimed 0.8 TOPS of compute, and an Arm Mali-G52 EE graphics processor. There's a choice of 2GB or 4GB of LPDDR4 memory, sadly not taking advantage of the RK3568's support for ECC RAM, and a choice of 16 or 32GB of eMMC storage expandable via microSD.

The Mixtile Edge 2 Kit has been designed for ease of expansion: As well as three USB 3.0 ports, the board includes an RS485 port, a mini-PCIe slot, as well as a multi-functional U.2 expansion socket. There's an on-board radio with Wi-Fi 6 802.11ax and Bluetooth 5.0 support, with two antenna ports on top and more underneath, a gigabit Ethernet port, and support for an optional 4G/5G cellular modem.

Those looking to get the most out of the U.2 socket, meanwhile, have the option of a range of bolt-on accessories: The Hi-FI add-on, with 32-bit 768kHz DAC and S/PDIF input support; the Router add-on, with four-port gigabit Ethernet switch and two-bay SATA drive cage; and a battery pack with 20,000mAh capacity for a claimed 12-hour runtime. All modules simply connect at the side and screw into place, matching the height and depth of the main chassis.

"The compact size of the Arm SBC-based Edge 2 Kit makes it applicable for a wide variety of small-scale applications and diverse possibilities," the company claims of its creation. Additionally, it offers various interfaces supporting the expansion of dual hard drives, dual network ports, or Hi-Fi music decoding and other functions. It meets the needs of a variety of application scenarios at a low cost."

Mixtile has launched the kit at $249 for 2GB of RAM and 16GB eMMC or $279 for the 4GB and 32GB model, though a 15 per cent discount is available for those willing to wait 40 days for shipping. The Edge 2 single-board computer powering the kit, meanwhile, is priced at $229 or $249 for the same specifications and including the same carrier board but no chassis. All are now available to order from the company's website.

Gareth Halfacree
Freelance journalist, technical author, hacker, tinkerer, erstwhile sysadmin. For hire: freelance@halfacree.co.uk.
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