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Sonnet Mobile Rack Kit (Basic Edition)

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In stock at supplier: Yes

Leaves warehouse in 1-2 weeks

Shipping cost is $9.90 (flat rate) for any size order.
This product is covered by an Australian Replacement Warranty.
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Product code: EXP3FR-MRM

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  • Easy Installation

  • 100W Power Supply

  • Internal Fan for Cooling

  • Mounting Hardware for Security

  • Compatible with xMac Pro Server

  • Compatible with Echo Express III-R

Your price: $368.99

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The Mobile Rack Kit (Basic Edition) from Sonnet allows you to add more devices to your rack without taking up additional rack space. It supports installation of two single-height mobile rack peripherals or one double-height peripheral. You can install two 5.25" (133.35mm) mobile rack devices inside the III-R's enclosure, such as an internal LTO 6 tape drive plus an enclosure for four swappable 2.5" (63.5mm) solid state drives. An alternate configuration might include a Sonnet Qio MR pro universal media reader. You also have the option of installing one full-height mobile rack device, such as an enclosure for three swappable 3.5" (88.9mm) hard disk drives. This mobile rack kit includes an internal 250W power supply to power the installed devices, an internal fan for cooling and mounting hardware to secure the devices and the kit itself.

Note: PCIe cards sold separately; requires Thunderbolt cable

Easy Installation 
Add two 5.25"(133.35mm) mobile rack peripherals to your Echo Express III-R expansion chassis without adding rack space. The mobile rack kit installs easily into your Echo Express III-R mobile rack kit bay
Internal Power Supply 
A 250W power supply powers the installed cards
Internal Fan 
Cools installed devices within a rackmount environment
Diverse Support 
Supports devices such as LTO tape drives, swappable drive enclosures, optical drives, Qio MR pro universal media reader and more.


Product Specifications:

Sonnet Part Number


Compatible Enclosures

  • Echo Express III-R
  • xMac Pro Server


  • Fits one full-height or two half-height mobile rack device up to 8" (20.3 cm) long


  • C14-type external connector
  • Internal
    • (2) Molex 88751 or equivalent SATA
    • (3) Molex 8981 or equivalent
    • (1) AMP 171822-4 or equivalent
    • (2) Molex 39-01-2040 or equivalent

Integrated Power Supply

  • Universal 100W, 100-240V AC, 50-60 Hz

Dimensions (l x w x h)

  • 15.8" x 6.3" x 3.3" (40.13 x 16.0 x 8.4 cm)


  • 3.65 lbs (1.65 kg)


Manufacturer provided specifications for Sonnet Technologies p/n EXP3FR-MRM UPC#: 732311010019

Additional Information

Colour Black
Type No
Form Factor No
Suitable for No
Model Identifier Apple Watch 38mm
Manufacturer Sonnet
Manufacturer P/N EXP3FR-MRM
UPC 732311010019
Shipping Restriction N/A

Australian Owned Business 

Macfixit Australia is an Australian owned and operated business based in Melbourne, Victoria and we've been operating since 2005.

Fast Flat Rate Shipping on all orders

Shipping cost is $9.90 (flat rate) for any size order. Express Options are available in cart/checkout. All in-stock orders are shipped the same day if received by 10.30 AM (Eastern Time Victoria). Orders received after 11:00 AM are shipped the following business day.

100% Satisfaction Guaranteed 

We fully guarantee all of our products. If for some reason you are not happy with any item you purchase from us you may return it for a refund (see Return Policy). 

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Customer Service 

At Macfixit Australia) we’re 100% committed to serving our customers. We check phone and e-mail messages throughout the day and, in most cases we respond within minutes of receiving them. Please feel free to contact our Customer Service Department with any questions at 03 9329 4343 Mon-Fri, 10am to 5.30pm (Melbourme, Victoria Time), or e-mail us under this link.