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Key Features
Compatibility
Product Description
The Echo III T5 Module connects up to three PCIe cards to computers without card slots.
The module supports three full-height, full-length Thunderbolt-compatible non-GPU PCIe cards; provides 400W of power for the most demanding PCIe cards, including qualification from Avid Audio Group for Pro Tools | HDX PCIe cards; features ultra-quiet, dual temperature-controlled Noctua fans rated at 17 dBA; and connects through the Thunderbolt 5 interface. This is a module only: it is used in Sonnet rackmount expansion enclosures, which are sold separately.
Key Features
- Three Versatile PCIe 3.1 Slots: one x16 plus two x8
- Supports Three Full-height, Full-length PCIe Cards
- Supports Every Thunderbolt-compatible non-GPU Card
- AVID QUALIFIED - Supports up to Three Avid Pro Tools | HDX PCIe Cards
- 3400 MB/s aggregate, bi-directional PCIe bandwidth when connected to a Thunderbolt 5 computer port
- View PDF of Supported PCIe Cards
400W of Power
- Built-in 400W Power Supply with 75W Auxiliary Power Connector
- Supports Power-hungry, non-GPU Cards, Including Avid HDX
- Powers On and Off Automatically with Connected Computer
Quiet Fans
- Dual Noctua Fans Offer Ultra-quiet Operation
- Temperature-controlled, Variable-speed, Rated at 17 dBA
Thunderbolt 5 Interface
- Two Thunderbolt 5 Ports: one connects to the computer, the second connects an additional Thunderbolt or USB device and provides 15W to bus-powered devices
- Connect One 5K Display Using Spare Bandwidth
- For computers with Thunderbolt 5, Thunderbolt 4, or USB4 ports
- 0.8-meter Thunderbolt 5 Cable Included
- ThunderLok-A Thunderbolt Connector Lock Included
Why Sonnet?
- 2-year Product Warranty
- Lifetime Technical Support
- Designed and Made In the USA
Package Contents
- Echo III T5 Module
- Region-specific power cable
- 6-pin PCIe auxiliary power cable (installed)
- 0.8-meter Thunderbolt 5 cable
- ThunderLok-A connector lock (for securing the Thunderbolt cable)
- Product documentation
Product Q&A
Q: Is the Echo III T5 Module a complete enclosure?
A: No. Sonnet lists it as a module only, with the enclosure sold separately. It is compatible with Sonnet rackmount expansion enclosures.
Q: Which computers can I connect it to?
A: Mac, Windows and Linux computers with Thunderbolt 5, Thunderbolt 4 or Thunderbolt/USB4 ports. Sonnet lists macOS 15 or later (compatible with macOS 27), Windows 11 25H2 or later and Windows Server 2025, and Linux kernel 6.6 or later. The included Thunderbolt 5 cable is fully compatible with Thunderbolt 5, 4 and 3 computers.
Q: How much PCIe bandwidth do the slots get?
A: The module has three PCIe 3.1 slots (one x16 and two x8). When connected to a Thunderbolt 5 computer port, it provides 3400 MB/s aggregate, bi-directional PCIe bandwidth to the installed cards.
Q: What PCIe cards can I install?
A: Every Thunderbolt-compatible, non-GPU card is supported. The module takes single- and double-width PCIe 4.0, 3.1, 2.0 and 1.1 cards, including video capture, streaming and transcoding; audio DSP; 10Gb and 25Gb Ethernet; SSD storage; and SAS host bus adapters. The 400W supply with 75W auxiliary connector supports power-hungry cards including AJA KONA 5, Blackmagic DeckLink 8K Pro G2 and Avid Pro Tools | HDX. Check Sonnet's PCIe Card Compatibility PDF for a specific card.
Q: Can I use it with Avid Pro Tools | HDX cards, and what does the second port do?
A: Yes. At the flick of a switch, the module is optimised to support three Pro Tools | HDX PCIe cards, with no extra parts necessary. It is qualified by Avid Audio Group for Avid Pro Tools 2026 software and Avid Pro Tools, Pro Tools HD and Pro Tools Ultimate systems. The second Thunderbolt 5 port connects an additional Thunderbolt or USB device with 15W of power, and you can connect one 5K display using spare bandwidth.
Specifications
| Part Number | DM-MOD-E3-T5 |
| Warranty | 2-year |
| Customer Support | Lifetime technical support |
| Form Factor | Expansion system module (enclosure sold separately) |
| Interface | Thunderbolt 5, two ports (one to the computer, one for an additional Thunderbolt or USB device) |
| Secondary Port Power | 15W to bus-powered USB or Thunderbolt devices |
| PCIe Bandwidth | 3400 MB/s aggregate, bi-directional, when connected to a Thunderbolt 5 computer port |
| Expansion Slots | Three PCIe 3.1 slots: one x16 and two x8 |
| PCIe Cards Supported | Single- and double-width PCIe 4.0, 3.1, 2.0 and 1.1 non-GPU cards: three full-height, full-length cards, or one double-width card plus one single-width card |
| Power Supply | Built-in 400W, with 75W auxiliary power connector |
| Cooling | Dual temperature-controlled, variable-speed Noctua fans, rated at 17 dBA |
| Dimensions (WxDxH) | 20.125 x 6 x 13.875 in (51.12 x 15.24 x 35.24 cm), packaged |
| Weight | 5.1 lbs (2.30 kg), product only |
| Country of Origin | USA |
Compatibility
| Enclosure Compatibility | Sonnet rackmount expansion enclosures (module only; enclosure sold separately) |
| Mac Compatibility | Mac with Thunderbolt 5, Thunderbolt 4 or Thunderbolt/USB4 ports. macOS 15 or later; compatible with macOS 27 |
| Windows Compatibility | Windows computer with Thunderbolt 5, Thunderbolt 4 or USB4 ports. Windows 11 25H2 or later and Windows Server 2025 |
| Linux Compatibility | Linux computer with Thunderbolt 5, Thunderbolt 4 or USB4 ports. Supported Linux kernel 6.6 or later |
| Pro Tools Compatibility | Avid Pro Tools | HDX compatible; qualified by Avid Audio Group for Avid Pro Tools 2026 software and Avid Pro Tools, Pro Tools HD and Pro Tools Ultimate systems |
| Included Cable | 0.8-meter Thunderbolt 5 cable, fully compatible with Thunderbolt 5, 4 and 3 computers |
| PCIe Card Compatibility | Non-GPU cards only. For a list of compatible PCIe cards, see this PDF document. |
Shipping & VAT
- Free UK Shipping: Delivered in approx. 2 working days
- Express Options: Faster methods available at checkout
- Free Shipping to Ireland: For orders over £100.00
- International Delivery: Times vary by destination; shipped via FedEx or DHL
- 30-Day Returns: Return within 30 days from order date
- UK, Ireland and EU Customers: Free return label provided
- Full Return Policy: Read Here
- Full Shipping Details: Read Here
VAT & Duties Information
UK & EU Customers: The price shown on our website is the final price you pay. No additional VAT, customs duties, or import fees will be charged upon delivery.
Orders are dispatched from Northern Ireland, allowing us to serve customers across the United Kingdom and the European Union without unexpected import charges.
Non-UK and non-EU destinations: Local taxes, customs duties, and import fees may apply and are the responsibility of the recipient.
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Customer Service
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Free number UK: 08001954072
International: +442838341148
Phone Line Opening Hours
- Monday - Friday: 09:00-17:00
