ToughArmor EX MB491SKL-B
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SATA 6Gbps, SAS 2.0, Tray Design, Hot-Swap, Enterprise, Full Metal, Key Lock, Tumb Screw, Fits 2.5 inch SAS/SATA SSD/HDD, Fits 7mm to 15mm Height Drive, For 3.5 inch Floppy Bay, EX-Secure Mini Tray Compatible
The ICY DOCK ToughArmor MB491SKL-B 2.5” mobile rack is built specifically for industrial small form factor systems that require exceptional drive security. It uses heavy duty metal construction, which is considered to already comply with flammability requirements and is capable of withstanding the harshest environments. The metal key lock prevents unauthorized access to your important drives and the thumb screw lock adds extra protection from impact which reduces drive tray vibration, increasing drive stability during transportation. Our removable drive tray allows interchangeability of data between multiple systems.
The ICY DOCK MB491SKL-B supports both SAS and SATA hard drive/SSDs at 6Gbps and is backwards compatible to 3 Gbps drives and hosts. It is an ideal solution for enterprise level small form factor applications since it maximizes the use of space in industrial small PCs, surveillance, embedded systems, automation systems, aerospace systems and mobile DVR systems.
Removable Design with Maximum Protection
The removable drive tray design supports hot-swap and makes maintenance completely hassle free in the event of a hard drive failure. With a simple swap of the hard drive, your overall down time is greatly reduced which is especially useful for time sensitive projects and applications. The trays are designed to accommodate a 7 to 15mm height hard drive or SSD, creating a 2.5” hot swap bay for any standard SATA/SAS drive. While the tray is not installed to the MB491SKL-B, the Anti-Dust Flap helps prevent dust from entering the device.
The metal key lock on the tray prevents unauthorized access your drive. The unique thumb screw design locks the metal tray into the device to minimize the drive vibration, and to prevent accidental drive tray ejection, providing the ultimate protection for your hard drives or solid-state drives.

The removable drive tray design combined with our dual layer drive security system makes the ToughArmor MB491SKL-B a great mobile rack for mobile servers and military grade systems.
Convenient Utility with Full Metal Construction
The front of the ToughArmor includes a status LED when the drive is powered on, off and accessed. Active Power Technology (APT) allows the status LED to be on only when a hard drive is inserted into the enclosure. We have also included drive ID plugs so users with multiple MB491SKL-B units in their system can give each drive tray a unique ID number.
Ensuring the material used can be relied upon for many years after its deployment, the MB491SKL-B is capable of holding up in the harshest environments, with heavy duty metal construction throughout the entire device. The ToughArmor’s full metal design is perfect for industrial devices that may require a flammability rating since all-metal already complies with flammability requirements. Because of the high build quality, it can be used in various enterprise systems including: military and law enforcement deployment. It can also be used in manufacturing conditions such as embedded control systems and factory automation systems such as: military and law enforcement deployment.
Drive Tray
EX-Secure Mini Tray MB491TKL-B Drive Tray for ToughArmor MB491SKL-B
Interchangeable OEM models:









Key Features
Low profile design for small form factor applications such as industrial small PCs, surveillance, embedded systems, automation systems, aerospace systems and mobile DVR systems
Dual Locks design – Metal key lock (for drive security) and thumb screw lock (for impact/vibration)
Removable drive tray design for easy maintenance which fully supports SATA hot-swap
Unique drive ID plugs for drive trays are included (#1 - #8)
Fits 1 x 7mm to 15mm height 2.5” SATA HDD or SSD in a 3.5” floppy drive bay
Supports SATA 6Gbps and is backwards compatible with SATA 3Gbps drives and hosts
Heavy Duty Full Metal construction, perfect for enterprise applications
Multi-Flow Technology - provides excellent passive cooling
Anti-Vibration Technology - creates a safe environment for hard drives or SSDs
Active Power Technology (APT) - individual led only powers up if there is drive installed in the drive bay
EMI Grounding – protects hard drives from electrical damage
Anti-Dust Flap prevents dust from entering when device not used
Locking latch for both SATA 7 pin data port and SATA 15 pin power port

Product Name :
3.5" SATA Mobile Rack for Single 2.5" SAS/SATA HDD & SSD
Model Number :
Color :
Support Drive Size :
2.5" SSD / HDD
Compatible Drive Type :
SATA / SAS (Support Single Channel SAS)
Number of Drives :
Max Drive Height :
Drive Bay :
1 x 3.5" drive bay
Host Interface :
1 x SATA 22pin (Support SAS single channel)
Power Input :
1 x SATA 15pin power
Transfer Rate :
Up to 6 Gb/sec per SATA channel(Depending on drive speed)
Support HDD Capacity :
No Limitation
Drive Cooling :
Metal heat dispersion
RAID Function :
Structure / Material :
Full Metal
Support Hot-Swap :
Drive Security :
Thumb screw lock & 2-segment keylock 
Product Dimension (L x W x H) :
138 x 101.2 x 25.4mm
Product Weight :
Shipping (Package) Weight :
RAID Status LED Indicator :
Drive Activity LED Indication :
Drive power: solid green; HDD access: flashing green
Package contents :
1 - Device, 1 - user manual, 8 - screw, 2 - key,1 - Drive ID plug
Product Name :
Industrial Rugged Full Metal 2.5” SATA/SAS HDD & SSD Mobile Rack for External 3.5" Drive Bay
with Key Lock & Thumb Screw Design
SATA Connector Insertion Rate :
Humidity :
5%~65% RH
Opertating Temperature :
0°C to 60°C (32°F to 140°F)
Storage Temperature :
-35°C to 70°C (-31°F to 158°F)
Compliance :
Warranty :
3 years




ICY Concepts
Rugged Full Metal Mobile Rack Designed for High Shock and Vibration Environments – ToughArmor EX MB491SKL-B & MB492SKL-B
There are many examples of systems being deployed in harsh and rugged environments: off-road vehicles, boats, airborne avionics and mining equipments. There are also some less obvious examples such as water pumping station and refrigeration plant, where the vibration is less extreme but persists over many years. Therefore, the critical question that challenges many system integrators is how to prevent intermittent connection drops and possible disk errors when placed under a stressful condition.

Luckily, the ICY DOCK's ToughArmor EX MB491SKL-B and MB492SKL-B are designed specifically for high shock and unstable environment. They provide dual locks drive tray (metal lock & thumbscrew lock) and featured full metal construction to produce maximum protection against the integrity of your hard drives and data. The removable drive tray design combined with dual layer drive security system makes the ToughArmor EX MB491SKL-B & MB492SKL great mobile racks for mobile servers, military grade systems or any rugged environment.

Suggest applications include - Rugged Forensic Computer, Ruggedized Military Server, Portable Military Computer, Portable Test Area Workstation, embedded System, IPC, Vehicle PC, Aerospace computer, NVR, MPC-ITX
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