While many systems have PCIe expansion slot connectors, they lack M.2 for local installationSSDslot. The new Sonnet card enables users to use a single cable to connect dual SSDs installed into the system to external GPU enclosures on Thunderbolt 3 and USB4 Mac models.
Using the wide 16-lane PCIe 3.0 bridge chip on the card,Mac Pro, a single SSD can provide up to 3400MB/s throughput. In a RAID 0 group, two SSDs can be combined to provide data transfer speeds of up to 6600MB/s in the same Mac Pro. With two M.2 slots, users can add up to 16TB of storage to the workstation.
This card supports RAID 0, RAID 1 and JBOD setups. The card also supports booting into macOS from an attached SSD. It is also NVMe compliant and runs without drivers. The new Sonnet M.2 2×4 low-profile PCIe cards will be available from the last week of June. The official Sonnet website is priced at $199.99.