Orange Pi 4/B SBCs Aluminum Hard Case
Shenzhen Xunlong just released initial details about a new aluminum case designed for the latest Rockchip RK3399 based Orange Pi 4 SBC. The Orange Pi 4 and Orange Pi 4B board have a dimension of 90×64mm, which makes it a little smaller than Orange Pi 3. Both boards are powered by the RK3399, and houses two Cortex-A72 cores, typically clocked at 1.8GHz up to 2.0GHz, as well as four Cortex-A53 cores at up to 1.42GHz along with an ARM Mali-T864 GPU for handling graphics.
Orange Pi 4 Metal Case (All Parts)
Orange PI 4 Assembled inside the Metal Case
Aluminum Case
Orange Pi Official AliExpress Store
[Designed for Orange Pi 4/B]

Compatibility
The case is compatible with the two Orange PI 4 variants mentioned, and it’s worth considering buying, especially for SBCs powered by a Rockchip RK3399 CPU that tends to heat fast and needs proper cooling.
Design
Xunlong case design is composed of two separate parts joined together by four screws. The case and not fully closed, tt’s a semi-open type with fins located on the upper cover. Its body and manufactured from a metal raw aluminium material that possible suitable used in hostile industrial environments.
Xunlong added one mounting hole on the left side of the case to assemble an external Wifi antenna. It’s optional and probably very needed, just keep in mind that If you need an antenna, you would have to buy it separately.


Accessibility
Most of the Orange PI 4 board interfaces are accessible with this case. The user has access to the central AV, HDMI, TYPE -C, Power hole socket interfaces as well as the rear side of the SBC where the pair of camera interfaces are located.
The GPIO header pins interface is also very accessible, giving the user complete freedom to access the pins without a need to remove any external covers to connect trough it.
