Lexar Professional Go SL400X SSD, USB3.2 Gen2 up to R1050/W1000, 1TB

Lexar Professional Go SL400X SSD – USB 3.2 Gen 2 with up to 1050MB/s read and 1000MB/s write, 1TB

The Lexar Professional Go SL400X is an ultra-compact portable SSD designed for on‑the‑go filmmakers and content creators. It offers USB 3.2 Gen 2 performance with up to 1050MB/s read and up to 1000MB/s write speeds, and connects directly to Type‑C devices without cables. This listing is for the 1TB capacity; the product family is also available in capacities up to 2TB.

What this drive offers

• Compact, ready-to-carry design: The drive is ultra-compact so you can keep it with you for spontaneous shoots and quick backups.
• Direct Type‑C connection (no cables): A plug‑and‑play Type‑C connector lets you connect directly to compatible phones and devices, avoiding tangled cables during capture and transfer.
• Expanded phone storage: Use the drive to expand your smartphone’s available space instantly and access files without moving them to a computer first.
• Fast transfer and recording speeds: With up to 1050MB/s read and up to 1000MB/s write, the drive supports seamless Apple ProRes 4K video recording and rapid backups.
• Broad device compatibility: The drive works with mobile phones, iPads, tablets, Macs, PCs, cameras and many other Type‑C devices, including specific support for the iPhone 15 series and the ability to record directly from iPhone 15 Pro/Max or above.
• Travel-ready ruggedness: The drive is IP65 rated for dust and water resistance, is drop‑resistant up to 1 meter, and ships with a protective silicone case for added protection on location.

Typical use cases

Use the Lexar Professional Go SL400X to offload files from a smartphone while traveling, capture ProRes video directly to the drive from supported iPhones, or carry a fast external workspace for editing and backups on Mac and PC. Because it connects via Type‑C without cables, it is particularly useful for mobile workflows that require quick, cable-free access to high-speed storage.

Compatibility and systems

The drive supports a wide range of systems and devices. It lists compatibility with Mac OS X 10.6+, Windows 11/10/7/8, iOS, and Android 4.4+. Devices include Type‑C phones, tablets, iPads, PCs, Macs, cameras and specifically the iPhone 15 series. Always verify your device’s Type‑C behavior and supported recording workflows before live capture.

Specifications

Important notes and limitations

Speeds quoted are based on internal testing; actual speeds may vary depending on the host device and system configuration. The drive’s IP65 rating and 1‑meter drop resistance are based on internal testing under controlled conditions; actual resistance to water, dust, and drops may vary in real world use.

Lexar states that damage caused by liquid, dust, and drops is not covered under warranty. Additionally, Lexar is not liable for any loss of data or images. Consider maintaining separate backups for critical footage and files.

FAQ

Question: Can I record Apple ProRes 4K video directly to this drive from an iPhone?

Answer: Yes. The SL400X supports the speeds required for seamless Apple ProRes 4K recording (up to 60 fps is referenced in the product materials), and it can record directly from compatible iPhone models such as the iPhone 15 Pro/Max when the phone and recording app support direct external storage.

Question: Do I need cables to use the drive with my phone or tablet?

Answer: No. The drive features a plug‑and‑play Type‑C connector that lets you connect without external cables. This design reduces clutter and simplifies mobile workflows when your device supports Type‑C direct storage access.

Question: Is the drive durable enough for travel and outdoor shoots?

Answer: The drive is designed for travel and is rated IP65 for dust and water resistance and tested for 1‑meter drop resistance. It also comes with a protective silicone case. Keep in mind that these ratings come from internal testing and actual conditions may affect durability; warranty coverage excludes damage from liquid, dust, and drops.

Question: Which operating systems and devices will work with the SL400X?

Answer: The drive is compatible with Mac OS X 10.6+, Windows 11/10/7/8, iOS and Android 4.4+. It works with a variety of Type‑C devices including smartphones, iPads, tablets, PCs, Macs and cameras, and is specifically noted as compatible with the iPhone 15 series.

Question: Are the listed speeds guaranteed for every use?

Answer: The speeds are based on internal testing and represent maximums under specific conditions. Actual transfer and recording performance can vary depending on the host device, file types, apps, and system configuration, so consider them as indicative rather than guaranteed.