ICY DOCK ExpressCage MB741V4P-B 4-Bay 2.5 inch U.2/U.3 NVMe SSD Mobile Rack for Dual 5.25 inch Bay, PCIe 4.0, OCuLink, Hot-Swap, Black

The ICY DOCK ExpressCage MB741V4P-B is a high-performance 4-bay mobile rack designed to house up to four 2.5-inch U.2/U.3 NVMe SSDs in a dual 5.25-inch optical drive bay. With PCIe 4.0 support and OCuLink host interface, it delivers blazing-fast data transfer speeds up to 64Gbps per drive. Built with a full metal construction and a 40mm cooling fan with 3-mode speed control, this hot-swap enclosure ensures reliable operation and easy drive management. The key lock system and removable EZ-Slide Mini Trays provide security and convenience for enterprise or enthusiast storage setups.

Advantages

Maximize storage density and performance with four U.2/U.3 NVMe SSDs in a single dual 5.25-inch bay. PCIe 4.0 x4 interface ensures future-proof speed, while hot-swap capability allows drive replacement without system shutdown. The robust metal build and active cooling maintain optimal operating conditions.

Suitable for

• Data centers requiring high-speed, high-density storage
• Workstations for video editing, 3D rendering, and large dataset processing
• Enterprise servers needing reliable hot-swap SSD enclosures
• Enthusiast PC builders seeking maximum NVMe performance

Key specifications

• Number of Drive Bays: 4
• Compatible Drive Type: 2.5" U.2/U.3 NVMe SSD
• Host Interface: 4 x OCuLink (SFF-8612)
• PCIe Generation Support: PCIe 4.0 (backward compatible with PCIe 3.0)
• Data Transfer Rate: Up to 64Gbps per drive (PCIe 4.0 x4)
• Installation Bay: Dual 5.25" Optical Drive Bay
• Max Drive Height: 15mm
• Material: Full Metal Construction
• Cooling System: 1 x 40mm Cooling Fan
• Fan Control: 3-Mode Fan Speed Control (High, Low, Off)
• Power Connector: 2 x 15-pin SATA Power
• Hot-Swap Support: Yes
• Security Features: Key Lock System
• Drive Tray Design: Removable EZ-Slide Mini Trays
• LED Indicators: Power (Green), Drive Activity (Flashing Amber)
• EMI Grounding: Yes
• Operating System Compatibility: OS Independent

Recommendations

For optimal performance, use with PCIe 4.0 capable motherboards and high-quality OCuLink cables. Ensure adequate airflow in your system case for best cooling.