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Magma ExpressBox 3T (MAGEB3T)

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Magma ExpressBox 3T (MAGEB3T)


Availability: Usually ships in 5-10 business days

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RRP $1,735.00 Inc Gst

Excl. Tax: $1,450.00 Your Online Price INC GST $1,595.00

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ExpressBox 3T provides an 'outside-the-box' solution for using PCIe cards with Thunderbolt-equipped computers. Compatible with AVID.


ExpressBox 3T - Three-Slot Thunderbolt™ to PCIe® Expansion from Magma on Vimeo.

 High-performance work flows are possible by connecting a Thunderbolt equipped computer to a Thunderbolt expansion chassis containing PCIe cards such as video capture, media transcoding, audio processing, and fast data storage. And because Thunderbolt is also based on DisplayPort technology, you can daisy chain a high-resolution display with your Magma ExpressBox 3T.

  • Supports (3) full-length PCI Express cardsExpressBox 3T
  • Use a variety x1, x4, x8 and x16 PCIe cards
  • Two x8 and One x4 (one of the x8 slots accommodates a x16 Card)
  • Thunderbolt features speeds up to 10Gbps
  • Daisy-chain up to 6 Thunderbolt devices
  • 250W power supply with (2) auxiliary power connectors


Protect your investment in PCIe hardware while migrating to Thunderbolt-equipped computers!


  • Attach PCIe cards to Thunderbolt enabled computer
  • Extension of PCI Express signals outside the computer
  • Daisy-chain or end-point device


  • Easy Plug and Play installation 
  • Use any combination of x1, x4, x8 and x16 PCIe cards
  • Hot-swappable cooling fan
  • Works with Mac OS X 10.6.8 or higher
  • Additional blower for extra hot cards
  • Optional built in drivebay for up to four (4) 2.5" SSD or SAS/SATA drives
EB3T Thunderbolt to PCIe Expansion - 3 Slot

(3) Full Length PCI Express Slots*

  • two x8 PCIe 2.0
  • one x4 PCIe 2.0

One slot accommodates x16

Cable Required Thunderbolt (Sold Separately)
Interconnect Bandwidth 10 Gbps Bi-directional
Hard Drive Support Optional built in drivebay for up to four (4) 2.5" SSD or SAS/SATA drives*
Material Aluminum Chassis
Dimensions 14.6” L x 4.3” W x 7.9” H
(371mm x 110mm x 200mm)
System Cooling  
(1) Hot Swappable Fan (1) Removable Blower Fan
Power Supply  
250W, 100-240 VAC, 50-60HZ Two 4-pin auxiliary power tabs
Ambient Temperature 0º to 50º C
Storage Temperature -20º to 60º C
Relative Humidity 5% to 85% non-condensing
Regulatory Compliance  
FCC Class A Verified RoHS Compliant
Supported Operating Systems  
Mac OS X 10.6.8 or higher
30 day money back guarantee 1 year return to factory
Partner Approvals  
Avid Universal Audio
Lynx Studio Apogee
See PCIe Card Compatibility Page for more  


ExpressBox 3T – Front and Rear View

1. Power IndicatorExpressBox 3T - Front and Rear Views
2. PCIe card slot openings
3. Thunderbolt ports
4. Power cord socket


Hardware Included

5. Blower (if needed for cooling)
6. Carry Bag
7. Power Cord



  • Blower (if needed for cooling)
  • Carry Bag
  • Power Cord

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