Echo Express III-R Thunderbolt 3 Edition - 3-Slot PCIe Card Expansion System-Rackmount

Connect Three Full-Length PCIe Cards to Any Mac with a Thunderbolt 3 Port


Connects Three Full-Length 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, 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 used to connect to the computer; second port supports daisy-chaining of up to five additional Thunderbolt peripheral devices to your computer, attaching a single USB peripheral device, or connecting up to two 4K displays or one 5K display

Remarkably Quiet—Large, temperature-controlled, variable-speed fans that automatically cool the cards, plus computer-modeled design that reduces airflow turbulence and velocity, combine to provide quieter cooling for all cards

Built-in Universal Power Supply—Integrated 300W power supply with 75W auxiliary power connector

Rugged Aluminum Housing—Provides robust and secure protection

Every Thunderbolt 3- and macOS-compatible Card Supported—Works with every Thunderbolt 3- and macOS compatible PCIe card, regardless of length or height

Thunderbolt Cable Included—Includes 1.0-meter Thunderbolt 3 (40Gbps) cable


External Connectors
Two Thunderbolt 3 ports
Internal Connector
6-pin Mini-Fit Jr (same type as on legacy Mac Pro motherboard; provides up to 75W of power for PCIe cards that require supplemental power)
Expansion Slots
  • One x16 mechanical (x8 electrical) PCIe 3.0
  • One x8 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
Mac Compatibility

Mac with Thunderbolt 3 ports

Mac with a Thunderbolt 2 or Thunderbolt port with an Apple Thunderbolt 3 (USB C) to Thunderbolt 2 Adapter

macOS 10.12.6+

Windows Compatibility
Windows 10 64-bit Edition Version 1703 or greater



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Echo Express III-R Thunderbolt 3 Edition - 3-Slot PCIe Card Expansion System-Rackmount

  • Brands Sonnet
  • Product Code: ECHO-EXP3FR-TB3
  • Availability: In Stock
  • ₹92,000.00

  • Ex Tax: ₹92,000.00