ECS X79R-AX Intel LGA 2011 Review 17

ECS X79R-AX Intel LGA 2011 Review

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Intel X79 Express Chipset

Launched November 14th, 2011, the Intel X79 Express chipset is very similar to the Intel P67 Express and Intel Z68 Express chipsets launched earlier this year. The Intel X79 Express platform supports 40 PCIe 3.0 lanes via the CPU for graphics, while the Intel Z68/P67 Express chipsets support only 16 lanes. Of course, the Intel X79 Express PCH itself supports eight lanes of PCIe 2.0 connectivity for external devices, as well as housing all of the I/O functionality via dual SATA 6 Gb/s ports and quad SATA 3 Gb/s ports, which are managed via Intel Rapid Storage Technology 3.0 for RAID support. USB 2.0/3.0 and HD Audio are also supported as is eSATA and Gigabit Ethernet connectivity.

The SKT2011 CPUs that the platform supports are also very similar to the previously released SKT1155 CPUs, but nearly everything offered in the SKT1155 platform has been doubled up, including cache and core count. Going by the marketing material given out by Intel, the SB-E CPUs (as they are referred to in enthusiast circles) feature eight total processing cores, but two have been disabled to keep power in check, so rather than a total of eight cores active, we find just six, but as these cores feature Hyper-Threading, they appear as 12 separate cores to the OS.

The PCIe on the CPU can be split many ways, including dual x16 links and a single x8 link at the same time, a single x16 link with triple x8 links, or a single x16 link with dual x8 and dual x4 links. Together these options offer the most flexibility for multi-card GPU configurations, with support for up to five total devices connected directly to the CPU. While only four discrete GPUs maximum are supported in current multi-GPU rendering options, the 5th link can be used for an external RAID controller or other PCIe devices that are commonly found in high-end builds.

Of course, that leads to today's product, the ECS X79R-AX. Will the Dragons overcome humanity, or will humanity, and the ECS X79R-AX, prevail?
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