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ToughArmor MB508V5P-B

8-Bay 15 mm U.2/U.3 NVMe SSD Mobile Rack Cage for Dual 5.25" Drive Bay (4 x MCIO 8i SFF-TA-1016)
Product Details
  • Transform Dual 5.25" Bays into a High-Performance NVMe Storage Array
    The ToughArmor MB508V5P-B converts two external 5.25" drive bays into an eight-bay removable NVMe storage solution designed for enterprise servers, industrial computers, and media workstations. Supporting up to eight 15 mm U.2/U.3 NVMe SSDs via four MCIO 8i (SFF-TA-1016) connectors, it delivers PCIe Gen5 x4 bandwidth per drive - ideal for data-intensive workloads such as AI training, edge computing, and 8K content creation.
  • Removable Drive Trays - Mobility, Maintenance & Security
    The EZ-Slide removable tray system enables quick drive swaps without system downtime, supporting true hot-swap functionality for NVMe SSD maintenance and replacement. This design simplifies data rotation between systems (sneakernet workflow), facilitates daily backups, and enhances physical security in sensitive environments where drives can be removed and stored offline after use.
  • For drive security, the eagle-hook lock system on the tray makes sure your hard drives will not eject when not needed.
  • Flexible Drive-Height Support for Future U.2/U.3 Form Factors
    Each tray supports 2.5" U.2 and U.3 NVMe SSDs from 7 mm to 15 mm in height, allowing the use of both standard and high-capacity drives within the same enclosure. The removable tray design is also forward-compatible with emerging 5 mm and 9.5 mm SSD form factors, ensuring maximum flexibility as next-generation NVMe standards evolve.
  • Next-Generation MCIO Interface – PCIe Gen5 Ready
    Equipped with four MCIO 8i connectors compliant with SFF-9402 Rev 1.1, the MB508V5P-B ensures full compatibility with modern Tri-Mode HBA and RAID cards in NVMe mode only. Each connector provides a dedicated PCIe Gen5 x4 channel, enabling aggregate bandwidth up to 128 Gbps while maintaining excellent signal integrity and low-noise transmission for high-speed NVMe operations.
  • Optimized Cooling for Gen5 NVMe Thermal Demands
    Compared to single-bay mobile rack enclosures, the MB508V5P-B employs a large 80 mm cooling fan and an optimized front-to-PCB airflow path to ensure effective heat dissipation across all eight high-speed drives.
  • The vented front panel, metal chassis, and strategically placed air channels work together to prevent thermal throttling during sustained PCIe Gen5 operations, maintaining performance stability in AI servers and data-intensive applications.
  • Industrial-Grade Durability & Power Delivery
    Constructed entirely from heavy-duty metal, the ToughArmor chassis provides outstanding structural rigidity and EMI protection for mission-critical environments.
  • The all-metal tray design (MB991TRAY-B) ensures long-term durability, even under frequent drive swaps or transport.
  • The unit is powered through one PCIe 8-pin and one PCIe 6-pin connector, delivering stable high-current power suitable for today’s power-hungry NVMe SSDs used in 24/7 industrial and server operations.
Customizable ICY DOCK Drive Enclosures: Tailored to Meet TAA & UL Certification Standards and More!
At ICY DOCK, we understand the paramount importance of adhering to various industry and safety standards. While our standard products are already crafted with the highest quality in mind, we also provide our customers with the option to customize ICY DOCK drive enclosures and mobile racks to meet their specific certification requirements. This includes standards such as TAA and UL to wide temperature tests.

Our dedicated team is fully prepared to adjust product materials and designs to ensure complete compliance. Furthermore, we offer comprehensive guidance to our clients throughout the certification process. Our goal is to not only meet precise specifications but also ensure that our products successfully pass stringent tests. Below, you'll find a detailed table listing all the optional certifications that can be tested with our customizable solutions.
Optional Certifications Available for ToughArmor MB508V5P-B
TAA Trade Agreements Act Compliance
UL Safety Standard Certification
UL94 Flammability of Plastic Materials
FCC Federal Communications Commission Compliance
Wide Temperature MIL-STD-810H - Method 501.7 & 502.7
Customizing ICY DOCK products for specific certifications involves fees for the creation of the certificates, including necessary testing. Please note that some certificates may require recurring fees to remain valid. For more details and inquiries, please contact us at tech@icydock.com

Main Features
Fits 8 × 15 mm U.2/U.3 NVMe SSDs in 2 × 5.25" drive bays
   
4 × MCIO 8i (SFF-TA-1016) connectors support PCIe Gen5 x4 per drive
   
Tri-Mode HBA/RAID card compatible (NVMe mode only)
   
Delivers up to 128 Gbps aggregate bandwidth
   
Hot-swappable EZ-Slide trays for fast maintenance and secure data mobility
   
Supports U.2/U.3 SSD heights from 7 mm to 15 mm (ready for 5 mm and 9.5 mm future standards)
   
80 mm cooling fan + optimized airflow path for stable Gen5 operation
   
1 × PCIe 8-pin + 1 × PCIe 6-pin power inputs for reliable high-power delivery
   
Full-metal ToughArmor construction for industrial durability
   
Eagle-Hook tray lock system prevents accidental ejection
   
Ideal for AI servers, edge computing, and media workstations
   
5-year warranty / CE, UKCA, RoHS, REACH compliant
Specification
Model Number: MB508V5P-B
Color: Black
Support Drive Size: 2.5" (up to 15mm height)
Compatible Drive Type: U.2 or U.3 SSD
Number of Drives: 8
Drive Bay: 2 x 5.25" Drive Bay
Host Interface: 4 x MCIO 8i (SFF-TA-1016) (Tri-mode HBA/RAID card compatible)
Power Input: 1 x 8 Pin PCI Express power connector;1 x 6 Pin PCI Express power connector
Transfer Rate: Up to 128Gbps (depending on SSD speed)
Support SSD Capacity: No limitation
Drive Cooling: 1 x 80 mm fan
Structure / Material: Full metal
Hot Plug: Yes
Product Dimension (W x H x D) : 146 x 84 x 158.2mm
Product Net Weight: 1482.7g
Package GrossWeight: 1759.8g
Drive Activity LED Indication: Drive power: solid green; Drive access: flashing green
Package Contents: 1 - device, 1 - user manual, 1 - ID plug, 44 - screw
Connector Insertion Rate: 10000
Humidity: 5%~65% RH
Operating Temperature: 0°C to 70°C (32°F to 158°F)
Storage Temperature: -35°C to 70°C (-31°F to 158°F)
Compliance: CE, UKCA, RoHS, REACH
Warranty: 5 years limited warranty

Compatible Drive Tray (Caddy):

  • MB991TRAY-B
  • MB994TK-B

Related Products:

ToughArmor Lineup:

Related Products Series:

  • Tool-less+Tray Enclosures

FAQ

Q: Can you recommend an add-on card that is compatible with MB508V5P-B?

A: When used with add-on cards or motherboards that rely on PCIe bifurcation (for example, when the add-on card does not include a PCIe switch IC or the vendor explicitly requires PCIe bifurcation support), please verify that your motherboard’s BIOS/UEFI supports configuring PCIe bifurcation for the PCIe x16 or x8 slot used with MB508V5P-B. In such cases, set the PCIe lane split in the motherboard BIOS/UEFI to x4/x4/x4/x4 for a PCIe x16 slot or x4/x4 for a PCIe x8 slot to ensure compatibility with MB508V5P-B.

Please click the icon below to check whether your motherboard or add-on card supports PCIe bifurcation mode. For the best compatibility, we highly recommend using cables that are recommended or manufactured by the motherboard or add-on card manufacturer.

 



We are currently in the process of certifying our NVMe enclosure with major add-on card and motherboard manufacturers. We will keep updating the list to include compatible accessories.

To report a compatible add-on card, cable, or motherboard, or to check the compatibility of add-on card(s) or motherboards that are not listed, please click here.


Q: I've completed the installation of the hard drive and device as per the instructions in the product manual, but the system still can't detect the drive. How can I troubleshoot this issue?

A: Please first confirm the compatibility of your hardware, and make sure that the drive, drive enclosure, cable, and host interfaces are compatible. Try connecting the drive directly to the host to see if the system can detect the drive. If it still doesn't detect it, this can rule out issues with the drive enclosure. You can also try connecting the drive enclosure with different drives, cables, or systems to see if the issue can be resolved. If the system still can't detect it, here are some possible issues:

Insufficient PCIe lanes in the system: Whether you're connecting the drive enclosure to the motherboard or add-on card, It is important to note that the number of available PCIe lanes is limited. This includes understanding the number of lanes provided by the CPU and chipset, as well as their allocation method. Failure to do so may result in slower transfer speeds, unstable connections, or even the inability to detect the drive.
Incompatible interface protocols: It is crucial to verify whether the Mini-SAS HD, OCuLink, SlimSAS or MCIO interface on the motherboard or add-on card is capable of supporting NVMe.
Incompatible interface pinout standard: Prior to connecting the drive enclosure to the Mini-SAS HD, OCuLink, SlimSAS or MCIO port on the motherboard or add-on card, please verify that the port utilizes the same pinout standard as the port on our drive enclosure. To check the pinout standard of our drive enclosure, you can refer to the specification table on our product page, where it specifies whether the pinout standard is Legacy or SFF-9402 1.1.
Excessive length of the connecting cable: To ensure optimal performance, it is advised to use a connecting cable that is no longer than 50cm. Using longer cables can lead to excessive signal loss, resulting in slower transfer speeds, unstable connections, or even the inability to detect the drive. Additionally, we recommend using the same interface connector for both the device and the host to prevent any potential compatibility issues.

Q: My NVMe drive did not detect after inserting it back into the device while powered on?

A: For systems that support hot-plug function, while your system is powered on, each drive insertion and removal cycle will require a manual refresh from the operating system in order for the system to recognize the drive.

 

If you are unable to detect the drive after performing the manual refresh, your system might not support hot-plug functions. We suggest you check with the motherboard/add-on card manufacturer to see if it supports the NVMe hot-plug function.

 

Windows 11 / Windows 10 / Windows 8 – In the search box on the taskbar, type Device Manager, then select from the menu, right-click on the disk drive and then select scan for hardware changes.

 

Windows 7 – Right-click on computer icon on desktop and select properties, click Device Manager, right-click on the disk drive and then select scan for hardware changes.


Image result for disk drive scan for hardware changes

 


Q: The mounting screws for the device seem to be too short to secure the device onto my system, what should I do?

A: For computer cases that have a thick metal sheet, the included mounting screws (M3*2.5L) may not fully secure the device. Please use longer screws (M3*4L) to secure the device or contact us at tech@icydock.com for replacement screws.


Q: Can I replace the cooling fan attached to the device? Will doing that void the warranty?

A: The cooling fan we use has been thoroughly tested with the drive enclosure to ensure it works properly and supports fan speed control (for select models). So, we recommend keeping the original fan for the best performance. That said, we understand it might not work for every application, so we’ve chosen to honor the warranty even when a third-party fan is used. Just a heads-up: if the third-party fan causes electrical damage to the device, the warranty may be voided.


Q:  Which specification should I check before buying the 3rd party cooling fan?

A:The following information is the fan specification requirement and compatible fan models for MB699V5P-B

 

Fan Dimension (LxWxH) 80 x 80 x 25mm
Connector Type 3 Pin Pitch 2.54mm Wafer
Rated Voltage (VDC) 12V DC
Rated Current (A) < 0.24A (240mA)
Screw Specification Phillips Flat Head - M3 x 8mm - Steel
(Came with stock fan)

Q: I feel that the drive tray's upper and lower metal spring is stuck when inserting the drive tray. What should I do?

A: Remove the drive tray from the enclosure and reinsert the tray without putting excessive pressure on the metal mesh sheet in front of the tray. Excessive force on the front metal mesh sheet may bend the top and bottom metal spring, causing difficulties when inserting the drive tray. Therefore, please do not forcingly insert the drive tray when this happens as it may cause damage to the metal spring.

 

metal spring
Please DO NOT put excessive pressure on the metal mesh sheet as shown
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