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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
- 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
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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
