Sonnet Echo Express III-D PCIe Expansion System
Sonnet Echo Express III-D (Thunderbolt 3 Edition), 3-slot Desktop Thunderbolt 3 Expansion System for PCIe Cards
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Expansion System for PCIe Cards
Echo Express III-D (Thunderbolt 3 Edition)

3-slot Desktop Thunderbolt 3
Expansion System for PCIe Cards
For professionals working within the creative fields, a computer’s processing power alone is not quite sufficient to get the job done. A good example would be the most recent MacBook Pro, which, whilst it offers fantastic performance, is lacking in the PCIe expansion slots necessary to support the speciality cards that connect pro video and audio inputs, transcode data, and connect to high-speed storage and networks. Instead of slots, these computers have Thunderbolt 3 ports to support their peripherals.
Sonnet’s ‘Echo Express III-D Thunderbolt Edition is a professional grade, desktop Thunderbolt 3 to PCIe card expansion system to enable you to connect three full-length PCIe cards simultaneously.
Thunderbolt 3 Connection

vast connectivity optionsVia a simple Thunderbolt 3 connection, add professional PCIe cards (three full-height, single-width cards, or one double-width card plus one single-width card) including video capture, audio interface, SAS or SATA HBA, 16Gb or 8Gb Fibre Channel, 10 Gigabit Ethernet, and RAID controllers.
Media Composer • Pro Tools

100% Avid ApprovedSonnet’s Echo Express III-D (Thunderbolt3 Edition) is Avid qualified. It has undergone thorough testing and has been approved for use with Pro Tools HD 12 software, and is qualified by the Avid Audio group for use with Pro Tools HDX and HD Native systems and separately qualified by the Avid Video group for use with Media Composer/Symphony with many current and older Mac computers with Thunderbolt 3 and Thunderbolt 2 ports.
See this Sonnet FAQ and the Avid website for ProTools System Requirements and Compatibility and MediaComposer System Requirements.
Key Features
Echo Express III-D
(Thunderbolt 3 Edition)
Sonnet's Echo Express III-D (Thunderbolt 3 Edition) is bursting with inventive and helpful features to help you work with a more streamlined workflow. Check out just some of them below!

Connect PCIe CardsUse multiple high-performance PCIe cards with any computer with a Thunderbolt 3 port.

Three PCIe 3.0 x8 SlotsSupports three full-height, single-width cards, or one double-width card plus one single-width card.

40Gbps Thunderbolt 3 InterfaceOffers 2750 MB/s of PCIe bandwidth, doubling the performance capabilities of Thunderbolt 2.

Pro PerformanceEvery Thunderbolt 3 compatible, non-GPU card supported regardless of length or height.

Two Thunderbolt 3 PortsOne port connects to computer; second port supports daisy-chaining of up to five additional Thunderbolt peripheral devices.

Remarkably QuietTemperature-controlled, variable-speed fans automatically and quietly cool the card.

Energy Saver ModePowers on/off automatically with the computer.

Pro PowerIntegrated 300W power supply with 75W auxiliary power; daisy chain port provides up to 15W of power to connected peripherals.

Rugged Aluminum HousingProvides robust and secure protection.
Every Thunderbolt 3 Compatible, Non-GPU Card Supported

broad compatiblity optionsThe Echo Express III-D fully supports three single-width, full-length PCIe cards, or one double-width, full-length card plus one single-width cards, opening it up to support every Thunderbolt 3 compatible, non-GPU PCIe 1.1, 2.0 and 3.0 card on the market. Perhaps you have a card in mind but not quite sure of its compatibility? Sonnet have fortunately a thorough compatibility chart. Click here to check your cards compatibility now!
Three PCIe 3.0 Slots, No Compromise

'All Around Smart Design'The Echo Express III-D fully supports three full-size PCIe cards, up to 12.28 inches (full-length) long. The III-D has a universal 300W power supply integrated, and includes a 75W PCIe power connector for cards that need supplementary power, such as the Avid Pro Tools HDX. Even with such huge power inside, the III-D is environmentally friendly, it will power itself off/on whenever the connected computer powers on or power off/sleeps respectively.

Three PCIe 3.0 slotsA whole 4 decibels quieter than before

75W auxiliary power connectorFrom 27 minutes to 30 minutes

300W power supplyFrom 27 minutes to 30 minutes

The Tech Spec
Features | Specification |
---|---|
Form Factor | Desktop expansion system |
External Connectors | Two Thunderbolt 3 ports, 12V power port |
Internal Connector | 6-pin Mini-Fit Jr |
Expansion Slots | One x8 mechanical (x4 electrical) PCIe 3.0, One x16 mechanical (x8 electrical) PCIe 3.0, One x8 mechanical (x4 electrical) PCIe 3.0 |
PCIe Cards Supported | One full-length, full-height, double-width PCIe card, plus one single-width card or, Three full-length, full-height, single-width PCIe cards |
Power Supply | Universal 300W, 115-230V AC, 50-60 Hz(7) |
Package Contents | Echo Express III-D (Thunderbolt 3 Edition), Power cord, 0.7-meter Thunderbolt 3 (40Gbps) cable, ThunderLok 3 Thunderbolt Connector Retainer Clip(1), Documentation |