Introducing the ICY DOCK ToughArmor EX MB491V5K-B: Rugged U.2/U.3 NVMe SSD Enclosure for Demanding Environments

The ICY DOCK ToughArmor EX MB491V5K-B sets a new standard for secure, high-performance NVMe SSD storage in mission-critical applications. Engineered for military, industrial, and in-vehicle computing systems, this mobile rack enclosure is built to withstand the harshest conditions while delivering exceptional data transfer speeds and robust physical security.

Heavy-Duty Construction and Compliance

Constructed with a full-metal housing, the MB491V5K-B is inherently compliant with flammability standards and offers outstanding durability. Its rugged design ensures reliable operation in extreme environments, making it suitable for aerospace, field-deployed servers, transportation, and factory automation. The enclosure is MIL-STD-810H Method 516.8 (Shock) and 514.8 (Vibration) ready, providing military-grade resilience against physical stress.

Advanced Security Features

Security is paramount in critical environments, and the MB491V5K-B addresses this with a dual-lock mechanism. The removable drive tray features a metal barrel keylock to prevent unauthorized access, while a thumbscrew lock secures the SSD against shock, vibration, and accidental ejection. This dual-layer protection is ideal for defense, law enforcement, autonomous vehicles, and edge-computing systems where data integrity and drive retention are essential.

High-Speed PCIe 5.0 Performance

Supporting PCIe 5.0 and transfer speeds up to 128 Gbps, the MB491V5K-B delivers the bandwidth required for real-time analytics, aerospace data logging, AI model training, and other high-performance workloads. The hot-swappable drive tray accommodates U.2/U.3 NVMe SSDs up to 15 mm in height, enabling seamless SSD replacement and maintenance without opening the system chassis. This makes it an excellent choice for data shuttle workflows, edge deployments, and mobile systems where uptime and security are critical.

Optimized Cooling for NVMe SSDs

High-speed NVMe SSDs, especially those utilizing PCIe Gen 5.0, can generate significant heat during operation. The MB491V5K-B addresses this with a hybrid cooling system: a high-performance 25 mm x 25 mm cooling fan, precision-cut ventilation holes on the front panel, and thermally optimized PCB cutouts. Combined with the all-metal body acting as a heat sink, this design ensures efficient heat dissipation, maintaining SSD performance and longevity even under heavy workloads.

Intelligent Drive Activity Monitoring

The enclosure features a smart LED indicator system that displays drive power and activity status. Utilizing ICY DOCK's Active Power Technology (APT), the LED only activates when a drive is present, conserving system power while providing clear operational feedback.

Key Features at a Glance

  • Supports one U.2/U.3 NVMe SSD (5 mm to 15 mm height)
  • Dual-lock design: metal barrel key and thumbscrew lock
  • Fits a single U.2/U.3 NVMe SSD in a 3.5" external bay
  • PCIe 5.0 interface with up to 128 Gbps transfer rates
  • Hot-swappable drive tray for tool-free SSD maintenance
  • Full-metal rugged enclosure meets flammability and durability standards
  • High-performance 25x25 mm cooling fan with optimized passive airflow
  • Anti-vibration and EMI grounding design for SSD stability and protection
  • Anti-dust flap prevents contamination when no drive is installed
  • MIL-STD-810H 516.8 (Shock) & 514.8 (Vibration) ready
  • Backed by a 5-year warranty and professional technical support

The ICY DOCK ToughArmor EX MB491V5K-B is purpose-built for professionals who demand uncompromising reliability, security, and performance from their NVMe SSD storage solutions in the most challenging environments.