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Echo Express SE III

Connect Three PCIe Cards to Any Mac with Thunderbolt 3 Ports

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Connect Three PCIe Cards to Any Mac with Thunderbolt 3 Ports

PCIe Card and Notebook Icons

Sonnet’s Echo™ Express SE III is a compact desktop Thunderbolt™ 3 to PCIe Card Expansion System that enables you to connect three professional PCIe cards—including video capture, audio interface, SAS or SATA HBA, 16Gb or 8Gb Fibre Channel, 10 Gigabit Ethernet, and RAID controllers—at the same time to any Mac® and Windows®(1)computer with a Thunderbolt 3 port.

The Echo Express SE III features a 40Gbps Thunderbolt 3 interface, which offers double the PCIe bandwidth and connectivity of Thunderbolt 2, and yields up to 2750 MB/s of bandwidth, enabling it to support 4K video capture and processing cards at high frame rates, and 16Gb FC cards and dual-port 10GbE cards at full performance(2)(3). With the ability to handle multiple demanding, high performance PCIe cards, support for connecting two 4K displays @ 60Hz or one 5K display @ 60Hz(4), and support for a vast array of Thunderbolt(5) and USB(6) devices, Thunderbolt 3 is a leap forward in every way.

Key Features

Connects Three PCIe Cards to any Mac and Windows Computer with Thunderbolt 3 Ports—Use multiple high-performance PCIe cards at the same time

Three PCIe 3.0 Slots—Supports three full-height, half-length+ (up to 7.75 inches long), single-width cards, or one double-width card plus one single-width card

40Gbps Thunderbolt 3 Interface—Offers 2750 MB/s of PCIe bandwidth, doubling the performance of Thunderbolt 2

Two Thunderbolt 3 (USB-C) Ports—One port reserved for connection to the computer; second port supports daisy-chaining of up to five additional Thunderbolt(5) devices to your computer, attaching a single USB(6) peripheral device, or connecting up to two 4K displays or one 5K display(4)

Temperature-controlled Fan—Automatically operates slower and quieter with cooler cards; provides better cooling for hotter cards

Energy Saver Mode—Powers on/off automatically with the computer

Rugged Aluminum Housing—Provides robust and secure protection

Power for Peripherals—Provides up to 15W of power to connected peripherals

Nearly Every Thunderbolt 3- and macOS®-compatible Card Supported—Works with every Thunderbolt 3- and macOS compatible PCIe card up to 7.75 inches in length

Thunderbolt Cable & ThunderLok Included—Includes 0.5-meter Thunderbolt 3 (40Gbps) cable and ThunderLok 3 Thunderbolt connector retainer clip to secure cable from accidental disconnections

Shadow

Up to Double the Performance of Thunderbolt 2
480 MB/s
USB 3.0
960 MB/s
USB 3.1 Gen 2
1350 MB/s
2750 MB/s
Thunderbolt 2
Thunderbolt 3

Three PCIe Slots

The Echo Express SE III’s PCIe 3.0 x8 slots support three half-length+, full-height, single-width PCIe cards, or one single-width card plus one double-width card.

Double-width?

Some specialty cards, such as RME’s HDSPe MADI FX card, Blackmagic Design’s DeckLink 4K Extreme, and the Lynx AES16e 50, include a daughter card that mates with and provides additional external connections to the main card.

Echo Express SE III (Inside View)

Thunderbolt 3 —
The USB C That Does It All

The Echo Express SE III includes two Thunderbolt 3 (USB-C) ports; the first connects it to your computer, while the second supports daisy chaining of up to five additional Thunderbolt peripheral devices to a single port on your computer. The SE III includes 10Gbps USB 3.1 Gen 2 support, meaning you can connect a USB device to the second port using the proper cable or adapter. The SE III also provides full support for connecting two 4K displays @ 60Hz or one 5K display @ 60Hz(4). For connected devices requiring extra power, 15 watts is provided to connected bus-powered devices.

One Port Delivers Up to 40Gbps Icon

Thunderbolt 3 Daisychain Diagram

Connect computer to one port on the Echo Express SE III and daisy chain up to 5 additional Thunderbolt devices
(plus two 4K monitors, one 5K display, or one USB 3.0 device)

Echo Express SE III (Front View)Design Smarts

The inside of the Echo Express SE III is wrapped in a rugged, yet lightweight aluminum outer shell, resulting in a lightweight system small enough to carry in your backpack, yet durable enough to protect the installed PCIe cards securely. The enclosure is ventilated front and back to facilitate airflow over the cards, pushed by a large, quiet, temperature-controlled fan to efficiently cool the system, automatically speeding up and slowing down smoothly as needed—there’s no guesswork in deciding which fan speed to select. Because Sonnet Echo Express products automatically power on and off with your computer, there is no power switch on the chassis, ensuring you don’t waste energy by forgetting to turn it off.

Aluminum and Power IconsUltra Quite Fan Icon

PCIe Card + Daughter Card Sizes

Nearly Every Thunderbolt 3 Compatible PCIe Card Supported

Smaller than the 3-slot Echo Express III-D - Thunderbolt 3 Edition, the Echo Express SE III is still large enough to support nearly every Thunderbolt 3- and macOS® compatible card available. With its three x8 slots, the SE III supports PCIe 3.0, PCIe 2.0, and PCIe 1.1 cards up to 7.75 inches long.

Do you have a card in mind but aren’t sure it’s compatible? We’ve worked closely with PCIe card manufacturers to provide a list of compatible cards on our supporting PCIe Card Thunderbolt Compatibility Chart. The chart provides a list of cards that have been tested to be recognized over a Thunderbolt connection and compatible with Thunderbolt technology requirements.

PCIe Card Thunderbolt Compatibility Chart

 

Thunderbolt 3 Cable and ThunderLok 3

Thunderbolt 3 (40Gbps) Cable and
ThunderLok 3 Included

To connect the Echo Express SE III to your computer, Sonnet includes a 0.5-meter Thunderbolt 3 (40Gbps) cable, and a Sonnet ThunderLok 3 Thunderbolt connector retainer clip(8) to secure the cable to the Echo chassis. Accidental cable disconnection can lead to data loss. Sonnet’s ThunderLok 3 is easy to install and use—just slide it over one end of the cable, and then plug in the connector and secure it to the chassis by turning a thumbscrew. Because of its unique design, ThunderLok remains on the cable so it won’t get lost when not in use.

Sonnet Thunderbolt Expansion Partners

Sonnet works closely with the following partners to ensure Thunderbolt compatibility for their products. See the PCIe Card Thunderbolt Compatibility Chart for a list of products that have passed Thunderbolt compatibility testing with Sonnet products.

AdobeAJAAppleApogeeArecaATTOAudinateAvidBlack Magic DesignBlueFish 444CalDigitDeltacastExaSANFocusriteFusion ioHigh PointLynx Studio TechnologyMatroxMyricomNewer TechOWCREDRMESiennaSmall Tree Softron Media ServicesSolid State LogicStorageDNATandberg DataTolis GroupTools On AirUniversal Audio

One Port Delivers Up to 40Gbps Icon

 

Bandwidth & CPU Usage

Thunderbolt 3 (40Gbps) Cable and ThunderLok 3 Included

The Twin 10G Thunderbolt 3 Edition adapter includes a 0.5-meter Thunderbolt 3 cable to connect to your computer, and a Sonnet ThunderLok 3 Thunderbolt connector retainer clip(8) to secure the cable to the adapter. Sonnet’s ThunderLok 3 helps prevent accidental cable disconnects that can lead to data loss, securing the Thunderbolt cable to the adapter. ThunderLok 3 is easy to install and use—just slide it over one of the cable’s connectors, plug in the connector, and then secure it to the adapter by turning a thumbscrew. Because ThunderLok doesn’t attach to the connector, it remains on the cable and won’t get lost when not in use.

 

Thunderbolt 3 Daisychain Diagram

Connect computer to one port on the Twin 10G Thunderbolt 3 Edition adapter and daisy chain 
up to 5 additional Thunderbolt devices (plus two 4K monitors, one 5K display, or one USB 3.0 device)

 

Twin 10G 10GbE Connected to iMac

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Echo Express SE III

Echo Express SE III

Connect Three PCIe Cards to Any Mac with Thunderbolt 3 Ports

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