Aquantia AQtion network cards for 2,5/5G networks. Free Technical Library News

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Aquantia AQtion network cards for 2,5/5G networks

17.05.2017

A network infrastructure capable of supporting a speed of 10 Gb / s has not surprised anyone in server solutions for a long time - today such speeds are no longer the limit, and in the near future they promise to become the entry level. But in domestic conditions, building such a network is still quite expensive for most enthusiasts and small businesses. NICs themselves are relatively inexpensive, with the bulk of the expense being the switch, new cables, and other devices such as SFP+ transceivers. Aquantia approached the problem from the other side: not everyone needs 10 Gb / s, because even sufficiently productive consumer-class storage systems do not saturate such a network, which means that you can get by with lower speeds - 2,5 or 5 Gb / s.

To build such a network, you can use the existing cable infrastructure based on twisted-pair cables of category CAT5e. Aquantia has a suitable controller in its arsenal, the AQC108 chip, which has already been used in motherboards such as the ASRock Z270 SuperCarrier and the ASRock X370 Gaming. New models of network cards, AQN-108 and AQN-108, use the corresponding chips; AQC107 differs from the model with a higher numerical index by the presence of support for the 10GBASE-T standard.

The chips are highly integrated solutions and they practically do not need additional wiring, which is clearly seen in the pictures of the new network cards. The boards also differ in the use of PCIe x1 and PCIe x4 interfaces and in prices of $99 and $127, respectively. In both cases, we are talking about the presence of a single RJ45 port.

Prices look affordable, but keep in mind that for connections other than point-to-point, you need a switch that supports 2,5GBASE-T or 5GBASE-T, and in the case of AQN-107 and 10GBASE-T, otherwise the potential new cards will be limited to 1 Gbps. Aquantia controllers are quite advanced and support MSI, MSI-X, LSO, RSS functions, they are also equipped with IPv4/IPv6 hardware offloading facilities. The frame size can be up to 16 KB, and remote boot via UEFI or PXE is available. The novelties are universal and can work both with PCIe 3.0 slots and with lower speed options, up to PCI Express 2.0 x1 - with appropriate speed limits.

The developers have not forgotten about software support and Aquantia network adapters are compatible with Windows 10/8.1/7 (the driver will also be available through the official Microsoft update system), as well as with various versions of Linux. In the latter case, a kernel version of at least 3.1 is required.

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