Sonnet Echo II DV Thunderbolt 5 Desktop PCIe Expansion Chassis

Expand your compatible Mac with the power, speed, and connectivity of Thunderbolt 5 using the Echo II DV Thunderbolt 5 Desktop PCIe Expansion Chassis from Sonnet. Designed for the Apple MacBook Pro and Mac mini (with M4 Pro and M4 Max), and Mac Studio (with M4 Max and M3 Ultra), the Echo II DV helps overcome a lack of available PCIe slots by providing dual PCIe 4.0 x16 slots, allowing users to simultaneously connect two full-height, full-length PCIe cards using two Thunderbolt 5 ports and two included Thunderbolt 5 cables. Each slot has its own Thunderbolt 5 controller, meaning each installed PCIe card has access to up to 6000 MB/s of bandwidth, rather than 6000 MB/s being shared between the two slots. All of this supports bandwidth-hungry, non-GPU I/O cards, such as DV I/O, NVMe SSD storage, and multiport 25Gb Ethernet adapters. Power is provided by an integrated 400W PSU with dual 75W auxiliary connectors and operations are kept cool using dual cooling fans.