Modular Power Supply 650W Chieftec A80

Evaluating the effectiveness of modern computer power supplies, the most attention is paid to their coefficient of performance (COP) at a given load — usually means of 20%, 50% and 100%. At the same time, not less important requirement, established by standard 80PLUS should be considered. That means — the preservation of this level of performance for all occurring in the world supply voltage variations, that is in the range of 100-240 V.

The standard rules of 80PLUS at different levels (Basic, Bronze, Silver, Gold, Platinum, etc.) are performed for two voltage 115 V and 230 V. In both cases, the normalized PS should show the efficiency of not less than specified for each category level. Not usual power supply CTG-650C model of the new A-80 series from the Chieftec company is interesting in that it has officially claimed efficiency of 85% or more, but only for nets 220-240 V.

As the advantages of such solution can immediately be noted a lower price, due to less stringent …

MSI Introduces A88XI AC Motherboard for FM2+ Platform

The product line of MSI’s mini-ITX motherboards now welcomes a new-comer: the MSI A88XI AC. It takes AMD A88X chipset for Socket FM2+ platform as the basis; this implies the support for AMD Athlon and AMD A series CPUs (of all generations). The PCB offers two DIMM slots for the integration of DDR3-2133 MHz RAM (up to 32 GB). Upon the whole, this model is able to offer much more than other small-sized boards.

The MSI A88XI AC accommodates 4x SATA III 6 Gb/sec ports for the connection of drives and 1x PCI-e 3.0 x16 socket for the implementation of an add-on card. Network options are secured as by gigabit Ethernet controller, so by Bluetooth and Wi-Fi 802.11 ac modules. External I/O panel houses three audio ports, one S/PDIF out, one RJ-45, two USB 3.0 and four USB 2.0 ports, one PS/2 Combo port, and three video ports (HDMI, DVI-D and D-Sub).

Moreover, the support for 8-channel sound production (due to Realtek ALC887) and HDMI video port entails the playback of 4K Ultra HD …

EK Water Blocks to Pass Out EK-CoolStream WE Heatsinks

EK Water Blocks, a renowned manufacturer of enthusiast-level waterblocks, is about to vend its newest series of heatsinks. Codenamed EK-CoolStream WE, the new-comers feature Circle SQuare (CSQ) design that shows compatibility with practically all water/liquid-cooling systems. They employ high-quality copper pipes and fins, as well as brass alloy enclosures which provide for an adequate cooling of entrusted components.

EK-CoolStream WE heatsinks are ready to welcome additional fans of 180x180x25 mm dimensions. Most notably, the company recommends using EK-FAN 180 PWM fan based on a fluid-dynamic bearing, estimated for 30.000 hours of foolproof operation. This model operates at 500-900 RPM, ensuring sufficient airflow thanks to the well-trimmed blades. The installation of fittings is possible due to the availability of G ¼ thread.

Pricing depends on the delivery kit. Therefore, a unitary heatsink of 180 mm costs 61.95 EUR, dual heatsink of 360 mm comes at 84.95 EUR, and …
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