Chieftec, one of the largest German hardware manufacturers, has recently introduced a new series of power supply units, codenamed Navitas. The series is represented by 5 models: GPM-650C with 650W nominal power, GPM-750C with 750W nominal power, GPM-850C with 850W nominal power, GPM-1000C with 1000W nominal power, and GPM-1250C with 1250W nominal power correspondingly. All the products have won 80Plus Gold certificate, due to more than 90% efficiency in the high workloads.



Chieftec Navitas PSUs correspond to ATX12V v2.3 standard and support Intel Core 4th gen. processors that require little current strength on +12V rail in sleep mode. The models also support active power-factor correction option to provide for the maximal stability during operation. They are equipped with a composite cable system and a single +12V rail, estimated for the maximal current from 54 A to 104 A (this index depends on the unit’s power).


All five units are cooled down by 140 mm fans with PWM …

Welcome the latest singleboard PC from Orange –Pi Prime, which can be called a successor of the last year's Orange Pi PC 2 model. Common peculiarities include the components layout and SoC Allwinner H5, possessing four Cortex A53 cores and Mali-450MP4 GPU.



Now DDR3 memory is doubled and equals to 2 GB. There is no eMMC module; and the microSD memory card of 64 GB capacity can be used for data storing. Audio and video interfaces are represented by the CEC-compliant HDMI 1.4, a composite port and a mic. The Gigabit Ethernet port is accompanied by the wireless module with support of Wi-Fi 802.11n and Bluetooth 4.0.


The specialty also features one micro USB and three USB 2.0 ports. Power can be supplied through USB or an appropriate connector from the 5 V, 2 A adapter Among other specs users can find a MIPI CSI connector, 40 outputs supporting Raspberry Pi, a three-pin UART, an IR-receiver, as well as a reset key and a power switch.


The approximate price of Orange Pi …

Biostar has replenished its PRO series of motherboards with a budget-friendly model – H110MD PRO. The greenhorn is based on Intel H110 chipset compatible with Intel Skylake Socket LGA 1151 CPUs. As far as this micro-ATX board is an entry-level solution, it offers just basic facilities, including 5-phase VRM, a pair of DIMM slots for DDR3L-1600 MHz modules (maximal capacity – 16 GB).



Biostar H110MD PRO accommodates four SATA III (6 Gb/sec) ports for storage devices, one PCI Express 3.0 x16 slot (for graphics adapter) and a pair of PCI Express 2.0 x1 slots for expansion cards. Network possibilities are ensured by means of gigabit Realtek RTL8111G controller.


The I/O panel boasts the availability of two PS/2 ports, two video ports (D-SUB and DVI-D), one RJ-45 port, three audio sockets, and four USB ports (2x USB 2.0, 2x USB 3.0). Additionally, the motherboard supports a range of advanced features, such as Biostar Flash, BIO-Flasher, BIO-Relife, Watch Dog, e-HotLine, BIOS …