OWC Express 1M2 USB4 40Gbps NVMe Enclosure + Samsung 990 PRO PCIe 4.0 SSD Bundle (1TB / 2TB / 4TB)

OWC Express 1M2 USB4 / Thunderbolt NVMe Enclosure + Samsung 990 PRO PCIe 4.0 SSD Bundle

Get a ready-to-run, high-performance portable SSD setup in one bundle: the OWC Express 1M2 USB4 enclosure paired with the Samsung 990 PRO NVMe SSD. It’s a fast, compact solution for creators, gamers, and pros who move big files daily — perfect for editing, backups, project drives, and ultra-quick transfers on the go.

The Express 1M2 is built to take advantage of USB4 and Thunderbolt bandwidth while staying quiet and cool with a solid aluminium body that also works as a heat sink. Combine that with the 990 PRO’s PCIe 4.0 performance, and you’ve got a portable drive that feels like internal storage — just plug in and get to work.

Key Features:

• Complete bundle: enclosure + high-performance NVMe SSD (no guessing, no extra parts)
• Fast real-world workflow: ideal for large file transfers, media libraries, and active projects
• Optimised for USB4 & Thunderbolt: great for modern Macs, PCs, and USB-C devices
• Quiet, fanless cooling: aluminium enclosure helps manage heat without noise
• Portable and bus-powered: no external power supply needed
• Upgrade-friendly: perfect as a scratch disk, backup drive, or travel SSD setup

Included:

• OWC Express 1M2 Enclosure
• Samsung 990 PRO M.2 NVMe PCIe 4.0 SSD
• 0.3M (12") USB4 (USB-C) Cable
• Phillips PH1 mini Screwdriver
• Quick start guide

Product Q&A

Q: Is this bundle ready to use out of the box?

A: Yes. The bundle includes the enclosure and SSD so you can set it up quickly and use it as a portable external drive once formatted for your system.

Q: Will this work with Thunderbolt 4 and Thunderbolt 3 Macs/PCs?

A: Yes. The enclosure is backward compatible with Thunderbolt 4, Thunderbolt 3, and USB-C devices (with performance based on the host connection).

Q: Do I need external power?

A: No. The enclosure is bus-powered through the USB-C connection.

Q: Can I use this with iPhone/iPad USB-C devices?

A: Yes, it supports iOS (iPhone/iPad) devices with USB-C, but performance and power behavior can vary by device.

Q: Does this support M.2 SATA drives?

A: No. The enclosure supports NVMe M.2 SSDs only. SATA M.2 drives are not compatible.

Specifications

OWC Express 1M2 Enclosure

• Vendor part number: OWCUS4EXP1M2
• Number of Bays: 1
• Drive Bays: 1 bay supporting: M.2 drives
• Supported Drive Sizes: Supports M.2 2280, M.2 2242, M.2 2230 "M Key" drives
• Mechanisms Supported: NVMe M.2 SSD
• Drive Fitment Note: NVMe SSDs with a heatsink will not fit and are not supported
• Plug and Play: Yes
• Drive Interface: M.2
• Device Ports: (1) Host Port - USB4 (USB-C) up to 40Gb/s (5000MB/s)
• Data Transfer Rate (Maximum): USB4 : Up to 40 Gb/s (or 5000 MB/s)
• Chipset USB: ASM2464PD
• Warranty: 2 year Warranty

Samsung 990 PRO SSD

• Product: Samsung 990 PRO PCIe 4.0 NVMe M.2 solid state drive - SSD
• Sequential Performance: up to 7450/6900 MB/s (read/write)
• Random Performance: up to 1400K/1550K IOPS (random read/write)

Compatibility

• Mac Intel (Thunderbolt/USB-C)
• Mac M1/M2/M3/M4/M5
• Windows PC (Thunderbolt/USB-C)
• Chromebook
• Linux
• iOS (iPhone/iPad) (USB-C)
• Android (USB-C)

Mac OS Compatibility

• macOS 10.13 High Sierra
• macOS 10.14 Mojave
• macOS 10.15 Catalina
• macOS 11.x Big Sur
• macOS 12.x Monterey
• macOS 13.x Ventura
• macOS 14.x Sonoma
• macOS 15.x Sequoia and newer

PC OS Compatibility

• Windows 10 32-bit Edition
• Windows 10 64-bit Edition
• Windows Server 2016
• Windows 11 and newer

Linux OS Compatibility

• Yes

Mobile OS Compatibility

• iPadOS 13
• iPadOS 14
• iPadOS 15
• iPadOS 16

• Samsung SSD Compatibility: Compatible with computers and motherboards supporting M.2 NVME SSD

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