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Magma MA-EB3T ExpressBox 3T Thunderbolt to PCIe 3-slot Expansion (Desktop)

Magma MA-EB3T ExpressBox 3T Thunderbolt to PCIe 3-slot Expansion (Desktop)

£915.60 (inc. vat)
£763.00 (ex. vat)

Brand: Magma

Magma MA-EB3T ExpressBox 3T Thunderbolt to PCIe 3-slot Expansion box is perfect for expanding the PCIe card slots available on your Mac Pro, iMac or Mac Book. Fully Pro Tools Compatible.

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Magma MA-EB3T ExpressBox 3T Thunderbolt to PCIe 3-slot Expansion (Desktop)

Three-Slot Thunderbolt™ to PCI Express® Expansion


Attach (3) full-length PCIe cards to your Thunderbolt equipped computer. ExpressBox 3T provides an 'outside-the-box' solution for using PCIe cards with Thunderbolt-equipped computers. 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.


ExpressBox 3T


  • Supports (3) full-length PCI Express cards
  • Two x8 and One x4 - PCIe Gen 2
  • Thunderbolt features speeds up to 10Gbps
  • Daisy-chain up to 6 Thunderbolt devices
  • 220-250W power supply with 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
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
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 Options  
220W or 250W Power Supply
100-240 VAC, 50-60HZ
Two auxiliary power tabs
Ambient Temperature 0º to 50º C
Storage Temperature -20º to 60º C
Relative Humidity 5% to 85% non-condensing
50,000 hours
Regulatory Compliance  
FCC Class A Verified
RoHS Compliant
Supported Operating Systems  
Mac OS X 10.6.8 or higher
Money back guarantee
1 year return to factory
Package Contents  
ExpressBox 3T – Front and Rear View

1. Power Indicator
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

ExpressBox 3T working with iMac

Additional Information

Additional Information

Manufacturer Magma
Model Magma ExpressBox 3T
Single or Pair N/A