Can PCIe 4.0 NVMe RAID controllers be used with motherboards that only support PCIe 3.0?
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Yes –SSD7500 series PCIe 4.0 NVMe RAID controllers are fully backwards compatible with PCIe 3.0 slots.
Note, maximum performance is only possible if the controllers are installed into a PCIe 4.0 (Gen4) x16 slot. However, they will otherwise function normally with a PCIe 3.0 (Gen3) slot.
In addition, SSD7500 series controllers support PCIe Gen3 NVMe SSD’s. This allows customers to provide additional bandwidth for large RAID configurations of 6 or more NVMe SSD’s, and deliver maximum throughput (14,000 MB/s).