The C612 introduced significant improvements in storage flexibility compared to the previous C600 series. It supports up to 10 SATA 3.0 (6 Gb/s) ports natively. Crucially, it offers flexible I/O configurations, allowing system designers to route these lanes to SATA ports or PCIe slots depending on the specific needs of the server chassis (e.g., high-density storage servers vs. compute nodes).
The combination of Haswell-EP/Broadwell-EP processors and the C612 chipset creates an ideal virtualization node. The chipset’s support for VT-d and high SATA port density allows for cost-effective local storage hosting (hyper-converged infrastructure nodes). intel c612
| Feature | Intel® C600 Series | Intel® C612 Series | | :--- | :--- | :--- | | | Xeon E5-2600/1600 v1/v2 (Sandy/Ivy Bridge) | Xeon E5-2600/1600 v3/v4 (Haswell/Broadwell) | | Socket | LGA 2011 | LGA 2011-v3 | | Native USB | USB 2.0 (up to 14 ports) | USB 2.0 and USB 3.0 support (up to 6 ports) | | SATA Support | Up to 8 ports (SATA 2.0/3.0 mix) | Up to 10 ports (SATA 3.0) | | PCIe Lanes (PCH) | 8 lanes (PCIe 2.0) | 8 lanes (PCIe 2.0) | | DDR4 Support | No (DDR3 only) | Yes (DDR4 supported via CPU) | compute nodes)
| Feature | C612 Status | Modern Equivalent | | :--- | :--- | :--- | | | ❌ No (only 2.0) | C621 (24x PCIe 3.0) | | PCIe 4.0/5.0 | ❌ No | C621A / C741 | | USB 3.1 Gen2 (10 Gb/s) | ❌ No | C242/C246 | | NVMe RAID native | ❌ Limited (RSTe only) | C621 (VROC) | | DMI 3.0 (8 GB/s) | ❌ No (DMI 2.0: 2 GB/s) | C621 / Z370 | | Feature | Intel® C600 Series | Intel®
All chipset-attached devices (SATA, USB, Gigabit LAN, PCH PCIe 2.0) share just 2 GB/s of bandwidth to the CPU. This can be saturated by 2x NVMe drives or 10 GbE NICs attached to chipset lanes.
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