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Main image of Icy Dock MB720MK-B | 4 x M.2 NVMe SSD PCIe 4.0 Mobile Rack for 5.25" Bay with 4x OcuLink (not support Tri-mode) | Tough Armor

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Icy Dock MB720MK-B | 4 x M.2 NVMe SSD PCIe 4.0 Mobile Rack for 5.25" Bay with 4x OcuLink (not support Tri-mode) | Tough Armor

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Fits 4x M.2 NVMe SSDs of all lengths, 30mm (2230), 42mm (2242), 60mm (2260), 80mm (2280), and 110mm (22110)
Installs into any standard external 5.25" optical drive bay
Supports Tri-mode controllers PCIe/NVMe pinout (Broadcom, Areca, and more)
Connects with 4x OCulink (SFF-8612) (NVMe host required)
Supports PCIe 4.0 specification with transfer rates up to 64Gb/s per drive bay
Removable and tool-less drive installation design for easy drive maintenance
2-segment key lock for additional physical security
5 years limited warranty against all defects

Overview

Specs

Reviews

idokm720mk-|4xm. 2nvmessdpie 4.0 moilerkfor 5.25" it4xoulink(notsupporttri-mode)|tougrmor

Model
Brand	ICY DOCK
Series	ToughArmor
Model	MB720MK-B V2

Details
Color	Black
Size	M.2
Type	Enclosure
AC Adapter	No
Material	Metal
Internal Interface	M.2 NVME M-Key
External Interface	1:1
HDD Count Supported	No
Number of Bay	4 Bay
Fan	2 x 40x40x20mm Fan
Specifications	Support Drive Size: 4 x M.2 SSD (2230~22110) Compatible Drive Type: NVMe PCIe Gen 4x4 Number of Drives: 4 Support Drive Length: 30mm - 110mm Drive Bay: 1 x 5.25" half height bay Host Interface: 4 x OCuLink(SFF-8612), pin-out defined by SFF-9402 Rev 1.1 Power Input: 2 x 15pin SATA power connector Transfer Rate: Up to 64Gbps (Depending on SSD Speed) Support SSD Capacity: No Limitation Drive Cooling (Active): 2 x 404020mm Fan Structure / Material: Full Metal Drive Security: 2 segment key lock Support Hot-Plug: Yes (host must support hot-plug function) Drive Activity LED Indication: Drive power: solid green; Drive access: flashing green M.2 Connector Insertion Rate: 5,000 Humidity: 5%~65% RH Operating Temperature: 0°C to 60°C (32°F to 140°F) Storage Temperature: -35°C to 70°C (-31°F to 158°F) Compliance: CE, RoHS, REACH

Features
Features	Fits 4x M.2 NVMe SSD of all lengths, 30mm (2230), 42mm (2242), 60mm (2260), 80mm (2280), and 110mm (22110) Installs into any standard external 5.25" optical drive bay Uses 4x OCulink (SFF-8612) to connect (NVMe host required) Supports PCIe 4.0 specification with transfer rates up to 64Gb/s per drive bay Patent-pending screw-less M.2 adjustable locker holds all length drives securely Removable and tool-less drive installation design for easy drive maintenance Ruggedized full-metal enclosure meeting flammability requirements Integrated large high-efficiency heatsink and ample ventilation for excellent cooling performance 2-segment key lock for additional physical security The Eagle-hook tray latch securely holds the drive tray inside the enclosure EMI Grounding - protects SSDs from electrical damage

Dimensions & Weight
Dimensions	5.75" x 1.63" x 7.17"
Weight	2.98 lbs.

Package Contents
Package Contents	Device, User manual, Drive ID plugs, Screws ,Keys

Additional Information
First Listed on Newegg	July 20, 2026

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Return for replacement within: 30 days
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Icy Dock MB720MK-B | 4 x M.2 NVMe SSD PCIe 4.0 Mobile Rack for 5.25" Bay with 4x OcuLink (not support Tri-mode) | Tough Armor

Learn more about the ICY DOCK MB720MK-B V2

Customer Reviews of the ICY DOCK MB720MK-B V2

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Item#: 9SIC7B7M1P4173

Meet Your Seller

Icy Dock MB720MK-B | 4 x M.2 NVMe SSD PCIe 4.0 Mobile Rack for 5.25" Bay with 4x OcuLink (not support Tri-mode) | Tough Armor

Learn more about the ICY DOCK MB720MK-B V2

Customer Reviews of the ICY DOCK MB720MK-B V2

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info