Thunderbolt Devices

Sonnet Echo Express SEL | Thunderbolt 2 single slot expansion chassis for low profile PCIe cards

Sonnet

Echo Express SEL

Thunderbolt 2 single slot expansion chassis for low profile PCIe cards

Product Code:

Product Discontinued

The smallest and quietest Echo Thunderbolt chassis yet. Supports one low-profile PCIe card, ultra-fast Thunderbolt 2... it's the perfect companion to professional laptops.


  • Use PCIe Expansion Cards with Computers Lacking Slots - Use high-performance PCIe cards with any Mac with a Thunderbolt port
  • Thunderbolt 2 Interface - Maximum performance with computers with Thunderbolt 2 technology, backward compatible with host computers and other devices equipped with 10Gbps Thunderbolt technology
  • Small and Light - Most compact Thunderbolt 2-to-PCIe expansion system available, designed to fit the most popular Thunderbolt-compatible high-speed networking and storage controller interface cards
  • One PCIe Slot - Supports low-profile card
  • Two Thunderbolt Ports - Daisy chain up to six devices to a single port on the host computer
  • Remarkably Quiet - Temperature-controlled, variable-speed fan automatically and quietly cools the card
  • Energy Saver Mode - Powers on/off automatically with the computer
  • Rugged Aluminum Housing - Provides robust and secure protection for any environment
  • Thunderbolt Cable & ThunderLok Included - Includes Thunderbolt cable and Thunderbolt connector retainer clip to secure cable from accidental disconnections

Mac Compatibility

  • Mac with a Thunderbolt or Thunderbolt 2 port
  • OS X® 10.8.5+
  • macOS Catalina Compatible

PC Compatibility

  • PC with a Thunderbolt 2 port
  • Windows® 10, 8, 7

Use a Low-Profile PCIe Card with Computers Lacking Expansion Slots
Today’s ultra-light notebooks, mini, and all-in-one desktop computers now have tremendous processing power—power that many thought would only be possible in full-size workstation or large desktop computers. Smaller in size and more portable, they’re very desirable. For pros in the creative fields, processing power alone is not enough. A prime example is the latest Mac Pro®. Reviewers love its performance, but make a point of mentioning its lack of internal expansion capabilities compared to the old towers the new model replaces. If you want to add more capabilities, think external—the latest Pro is loaded with Thunderbolt 2 and USB 3.0 ports, but it lacks the PCIe expansion slots necessary for you to install specialty high bandwidth NIC cards, or HBAs and RAID controller cards for high-performance storage. With the Echo Express SEL, Sonnet has created a solution that leverages the paradigm shift enabled by Thunderbolt technology, allowing PCIe expansion slots to be connected outside a computer. This very compact desktop Thunderbolt 2-to-PCIe card expansion chassis is ideal for connecting one professional 16Gb or 8Gb Fibre Channel, 10 Gigabit Ethernet, SAS/SATA host bus adapter or RAID controller PCIe card to any Mac® or Windows® PC(4) with a Thunderbolt port.

The Echo Express SEL features Thunderbolt 2 technology, which provides ample bandwidth for many of the most demanding, highest performance PCIe cards, and incorporates support for the DisplayPort 1.2 protocol, which enables video streaming to a 4K video monitor. While the SEL delivers maximum performance when connected to a computer with Thunderbolt 2 ports, it is also fully compatible with computers with 10Gbps Thunderbolt technology, supporting most cards at full-performance.

Full Performance in a Small and Light Package
The Echo Express SEL is small, light, and perfect for use in situations where only a single low-profile PCIe card is needed. Measuring a scant 4" wide by 8.4" long by 2.8" tall, the SEL was designed specifically to house one low-profile PCIe card. Many of the most popular Thunderbolt-compatible high-speed networking and storage controller cards are a perfect fit and even the BlueFish 444 Epoch 4K Neutron video card can be accommodated. The SEL’s small size doesn’t limit its performance; installed in this system, a card will perform the same as when installed in an Echo Express SE II, Echo Express III-D, or Echo Express III-R. And like the other Echo Express models, the SEL includes two Thunderbolt ports to support daisy chaining of up to six devices from a single port on your computer.

Smart Design Inside and Out
Constructed of rugged and lightweight aluminum, the outer shell of the Echo Express SEL securely protects the installed PCIe card. The card is protected inside, too. Instead of using a fixed speed fan that may not reliably cool a hot-running card, or a fan with a switch that leaves it up to you to guess the correct speed, the SEL employs a variable-speed, temperature-controlled fan to ensure the card and chassis’ components remain reliably cool. The SEL’s fan automatically speeds up as necessary to cool the installed card when it’s hot, and slows down when it’s cool. Since 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.

Quiet, Please
The Echo Express SEL was designed to be ultra-quiet so that it can be comfortably used in noise-sensitive environments. The airflow path within the chassis has been specially designed to enable the temperature-controlled, variable speed fan to quietly and efficiently cool the installed card at all times, even during peak operation. The SEL is Sonnet’s quietest expansion chassis yet.

Designed for Low-Profile PCIe Cards
The Echo Express SEL supports one half-length (up to 6.6" long), low-profile, single-width PCIe card. PCIe 1.1, PCIe 2.0 and PCIe 3.0 cards are supported.

Thunderbolt Cable & ThunderLok™ Included
Sonnet includes a Thunderbolt cable to connect the Echo Express SEL to your computer, and a ThunderLok Thunderbolt connector retainer clip(3) to secure the cable to the Echo chassis. Thunderbolt connectors are held in place by friction, which works well in situations where equipment remains undisturbed while operating. But when there’s a chance of movement nearby, there’s a chance the Thunderbolt cable can be unintentionally unplugged, possibly leading to loss of your work or data. Sonnet’s ThunderLok prevents accidental cable disconnections from the Echo chassis, and 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 does not attach to the connector, but remains on the cable so it won’t get lost when not in use.

It’s not official, but it’s fantastic!

Graphics cards installed in laptops tend to be low caffeine versions of high power desktop adapters. And some desktop computers have fairly modest graphics cards that are hard-wired and cannot be upgraded in the usual plug and play way. If you’re browsing the Internet or creating spreadsheets, this isn’t a big deal. But if you’re a gamer, video editor, colourist or 3D designer, you’re going to need a much stronger brew.

  • Echo Express SEL Thunderbolt 2-to-PCIe Card Expansion System
  • Power adapter
  • Power cord
  • Thunderbolt cable
  • ThunderLok Thunderbolt Connector Retainer Clip
  • Documentation

Note: PCIe cards old separately

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