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Item#: N82E16817994205

ICY DOCK Tray-less 5 Bay 3.5 SATA Hard Drive Hot Swap Backplane / Cage / Mobile Rack in 3 x 5.25 Drive Bay - FlexCage MB975SP-B R1

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  • Improved drive insertion mechanism ensures a sturdy connection and secures hard drives in place
  • Reinforced door latches for a secured locking mechanism
  • Fits 5 x 3.5" SATA III HDD into 3 x external 5.25" bays
  • Compact and space saving design to fit multiple drives
  • Tray-less design for genuine plug & play and hot swap use
  • 80mm cooling fan for maximum air flow
  • 3 speed fan control, including auto setting featuring Smart Cooling Technology

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

FlexCage MB975SP-B R1

Tray-less 5 Bay 3.5" SATA Hard Drive Hot Swap Backplane Cage in 3x External 5.25" Bay

general information

The FlexCage MB975SP-B R1 is a 5-in-3 tray-less SATA 6Gbps HDD cage for 3.5" SATA hard drives with reinforced door latch design and drive insertion mechanism. It focuses on maximizing storage density, while using the least amount of external 5.25" bays possible. To complement the device, the FlexCage provides clever features such as: elegant plug & play tray-less design, replaceable 80mm cooling fan, 3-speed fan control with smart cooling technology, and full control of your drive with individual power buttons.

This unit boasts a large density of drive storage and turns hot swapping drive into an easy task. So, it’s great for most gaming / media / server system that hot swaps drives frequently, and perfect for file server application such as unRAID, Windows home server and others.

Key Features at A Glance

  • Improved drive insertion mechanism ensures a sturdy connection and secures hard drives in place
  • Reinforced door latches for a secured locking mechanism
  • Fits 5 x 3.5" SATA III HDD into 3 x external 5.25" bays.
  • Compact and space saving design to fit multiple drives.
  • Designed for consumers & enthusiasts gaming / media / server computer cases and servers.
  • Tray-less design for genuine plug & play and hot swap use.
  • Front and rear ventilation slots.
  • 80mm cooling fan for maximum air flow.
  • 3-speed fan control, including auto setting featuring Smart Cooling Technology.
  • Elegant full aluminum housing for durability and heat dissipation.
  • Fan is replaceable with aftermarket fans that use standard 2-pin or 3-pin connectors.
  • Individual power switches and LEDs for each drive.
  • Active Power Technology+ – cooling fan and drive only powers up when the child proof power buttons are pressed.
  • Multi-locking aluminum door latches to prevent accidental drive ejection.

Space Saving & Tray-less Design

The MB975SP-B R1 is designed to maximize space use by allowing up to five 3.5" SATA III hard drives, while only consuming three external 5.25" bays. The FlexCage also only requires three 15-pin power ports to power up to five 3.5" hard drives. Last but not least, the FlexCage is equipped with exclusive tray-less technology - no screws or tools are necessary to insert or eject the drives, making hot swapping a completely hassle-free experience.

general information

Intelligent Cooling

The FlexCage MB975SP-B R1 uses a large 80mm rear cooling fan to pull cool air from the front ventilation slots, over the drives, and exhaust the warm air out through the rear ventilation slots.

general information

The MB975SP-B R1 gives the user freedom to choose the speed of the fan, or to select "auto" so that the fan adjusts its speed using ICY DOCK’s Smart Cooling Technology. The auto function determines the temperature of your drives, and changes their RPM accordingly. This results in decreased power consumption, an increased lifespan for your fan, and unnecessary excess noise. Along with the auto function, the user can also choose a high setting, best used for intense applications such as home server use, or a low setting, best used with lighter work loads or silent operation, such as hourly back ups or audio recording / editing.

general information

The included 80mm cooling fan is easily replaceable and maintainable, as it is compatible with most aftermarket cooling fans of the same size. To expand the range of compatible fans, both 2 and 3 pin standard fan power ports are available and can be easily accessed. To support the cooling system in place, the FlexCage body is built using full aluminum to help dissipate heat even further.

Elegantly Built for Enthusiasts

The FlexCage MB975SP-B R1 features full aluminum housing and an all matte black exterior finish. With its minimally intrusive front design the FlexCage fits in seamlessly with premium enthusiast PC cases.

general information

The MB975SP-B R1 uses the popular Active Power Technology+ power system, giving you full control of your hard drive environment. To power up your hard drive, the front of the device includes individual power button for each drive. The power button doubles as an LED indicator showing drive power and activity status. When one drive is turned on, the 80mm cooling fan will also turn on to start cooling your hard drive.

Similarly, each drive door has a multi-locking latch mechanism in order to prevent a door from being opened easily. Each door uses a metal latch assembly and strike plate in order to keep your drive secured and reliable while in operation. Anti-vibration technology is included on each of the doors and internally to help prevent reduction in drive performance.

Learn more about the ICY DOCK MB975SP-B R1


MB975SP-B R1


Mobile Rack Drives Support
5 x 3.5" SATA 1.5 / 3 / 6 Gbit/s hard drive to 3 x external half height 5.25" bay
Protection Case
Multiple Drives
Compatible Products
Host Interface: 5 x 7 pin SATA port

Power Input: 3 x 15 pin power port

Transfer Rate: Up to 6Gb/sec. (depending on hard drive speed)

Insert& Extract connection via: Direct SATA hard drive connection

Front Panel Contents: 5 x LED power button (Indicator)

Structure: Aluminum body w/ partial plastic

Drive Cooling: Removable rear outtake fan w/ aluminum heat dispersion; Adjustable fan speed control (High/Low/Auto)

Cooling Fan Type: 80mm ball bearing fan with 2 or 3 pin connector

Power Indicator: Blue LED

HDD Access Indicator: Flashing blue LED

Dimension (L x W x H): 8.27" x 5.75" x 4.96"

Weight: 3.07 lbs.
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details
  • Return Policies
  • We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1, 2017 and December 24, 2017 you will have until January 31, 2018 to return your product. There's nothing additional that you have to do!
    • Return for refund until: January 31, 2018
    • Return for replacement until: January 31, 2018
  • This item is covered by's Extended Holiday Return Policy.
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