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Key Features
Compatibility
Product Description
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
Product Videos
Shipping, Returns & VAT
- Free UK Shipping: Delivered in approx. 2 working days
- Express Options: Faster methods available at checkout
- Free Shipping to Ireland: For orders over £100.00
- International Delivery: Times vary by destination; shipped via FedEx or DHL
- 30-Day Returns: Return within 30 days from order date
- UK, Ireland and EU Customers: Free return label provided
- Full Return Policy: Read Here
- Full Shipping Details: Read Here
VAT & Duties Information
UK & EU Customers: The price shown on our website is the final price you pay. No additional VAT, customs duties, or import fees will be charged upon delivery.
Orders are dispatched from Northern Ireland, allowing us to serve customers across the United Kingdom and the European Union without unexpected import charges.
Non-UK and non-EU destinations: Local taxes, customs duties, and import fees may apply and are the responsibility of the recipient.
Payment
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Customer Service
Email and chat available 24/7
Free number UK: 08001954072
International: +442838341148
Phone Line Opening Hours
- Monday - Friday: 09:00-17:00
