Sonnet Echo II DV Desktop – Dual‑Slot Thunderbolt 5 PCIe Expansion Chassis

Sonnet Echo II DV Desktop – Dual‑Slot Thunderbolt 5 PCIe Expansion Chassis

Sonnet Echo II DV Desktop – Dual‑Slot Thunderbolt 5 PCIe Expansion Chassis brings professional PCIe expansion to Thunderbolt 5‑equipped systems, enabling two full‑height, full‑length PCIe cards to run simultaneously at very high throughput. Designed for content creators and pro users who need additional GPU, I/O, or accelerator cards, Echo II DV leverages Thunderbolt 5 bandwidth to deliver up to 6000 MB/s of PCIe bandwidth per Thunderbolt 5 port when the host provides separate 80 Gbps buses. The result is a seamless way to supercharge M4 Pro, M4 Max, and M3 Ultra Apple systems and other Thunderbolt 5 hosts with demanding workflows, without sacrificing responsiveness or card compatibility.

Features and Benefits

• Dual‑slot desktop PCIe expansion chassis supports two PCIe cards simultaneously.
• Thunderbolt 5 connectivity providing up to 6000 MB/s PCIe bandwidth per Thunderbolt 5 port (when host supplies separate 80 Gbps buses).
• Optimized for high‑performance hosts such as Apple systems with M4 Pro, M4 Max, and M3 Ultra.
• Enables significant workflow expansion—add I/O, or accelerator cards to compatible Thunderbolt 5 systems.

Product Q&A

• Q: How many PCIe cards can the Echo II DV Desktop accommodate?
  A: It supports two PCIe cards simultaneously (dual‑slot desktop chassis).
• Q: What performance can I expect from the Thunderbolt 5 ports?
  A: The product description states up to 6000 MB/s of PCIe bandwidth per Thunderbolt 5 port when connected to hosts that provide separate 80 Gbps Thunderbolt buses (for example, certain MacBook Pro, Mac mini, and Mac Studio configurations with M4/M3 chips).
• Q: Which computers are explicitly mentioned as supported in the product text?
  A: The description calls out Apple computers with M4 Pro, M4 Max, and M3 Ultra (examples: latest MacBook Pro, Mac mini, Mac Studio) when those systems expose multiple Thunderbolt 5 ports on separate buses.
• Q: Will this work with a Thunderbolt 4 or earlier host?
  A: The provided information emphasizes Thunderbolt 5 performance. For Thunderbolt 4 or earlier compatibility and any bandwidth limitations, consult the vendor documentation—specific backward‑compatibility details are not provided in the input.

Specifications

• Part Number: ECHO-2DDV-T5
• Warranty: 2-year
• Form Factor: 2U Thunderbolt desktop enclosure
• External Connectors: Four Thunderbolt ports; Power (C14-type)
• Thunderbolt 5 Computer Ports:
  • Cables Supported: Thunderbolt 5 or Thunderbolt 4 cables
  • Cables Not Supported: Thunderbolt optical cables
• Thunderbolt Peripheral Ports:
  • Note: Downstream ports are not necessarily Thunderbolt 5 ports; they match the host port type (Thunderbolt 5, Thunderbolt 4, or USB4).
  • Connectivity: With USB-C connector
  • Peripherals Supported:
    • Thunderbolt 5, 4, 3 devices
    • USB4, 3, 2, 1 devices
    • Thunderbolt 5, 4, 3, and USB-C monitors
    • DisplayPort and HDMI monitors (Thunderbolt compatible adapter required, sold separately)
• Internal Connectors: Two 6-pin auxiliary power; provide up to 75W of power each for PCIe cards that require supplemental power
• Expansion Slots: Two x16 mechanical (x4 electrical) PCIe 4.0
• PCIe Cards Supported: Two full-length, full-height, single-width PCIe cards
• Power Supply: Universal 400W, 115-230V AC, 50-60 Hz
• Operating Temperature: 0ºC to 35ºC (32ºF to 95ºF)
• Dimensions (WxDxH): 3.5 x 16.7 x 9 in. (8.9 x 42.4 x 22.9 cm)
• Weight: 9.7 lbs (4.40 kg)
• Compliance: RoHS 3 (Directive 2015/863); IEC62368-1 and IEC62368-2
• Installation Documentation PDF

Package Contents:

• Echo II DV T5 Desktop System
• Region-specific power cable
• Two 6-pin PCIe auxiliary power cables (installed)
• Two 0.8-meter Thunderbolt 5 cables
• Three ThunderLok-A connector locks
• Documentation

Compatibility

Device Compatibility:

To support maximum performance when using two bandwidth-hungry PCIe cards, Echo II DV T5 Desktop requires the following:

• Two connections between the Echo II DV T5 module and the host computer(s) with two Thunderbolt 5 ports with independent PCIe bandwidth.
  
• For example:
  Mac (M4 Pro, M4 Max, M3 Ultra series)
  Some pro Windows laptops with two Thunderbolt 5 ports
  Connecting each card to a different Thunderbolt 5 computer
  

Mac Compatibility
macOS 14+ Mac with Thunderbolt 5, Thunderbolt 4, Thunderbolt/USB4, or Thunderbolt 3(1) ports
macOS Tahoe compatible

Windows Compatibility
Windows 11 computer with Thunderbolt 5, Thunderbolt 4, or USB4(2) ports

Linux Compatibility
Linux 6.1 or 6.12 computer with Thunderbolt 5, Thunderbolt 4, or USB4 ports
PCIe Card Compatibility

For a list of compatible PCIe cards, see the following PDF

Technical Notes
1. Intel Macs with Thunderbolt 3 ports require macOS 15+.
2. USB4 support requires that your computer have a “USB4 Host Router (Microsoft)”. Navigate to Device Manager and expand the Universal Serial Bus controllers category to confirm.