
Nextorage released the MagSafe-compatible USB 40 Gbps portable SSD, “NX-P4MG Series,” on August 25, 2025. The lineup is as follows:
- NX-P4MG4TB (4TB)
- NX-P4MG2TB (2TB)
- NX-P4MG1TB (1TB)
The new NX-P4MG series is a compact, portable SSD with MagSafe compatibility that’s convenient for shooting video on an iPhone. Its USB 40Gbps interface shortens the time it takes to back up data and transfer data to editing equipment, improving work efficiency. It also supports ProRes video shooting on the iPhone 15 Pro/Pro Max and iPhone 16 Pro/Pro Max. It’s a portable SSD that streamlines the workflow from shooting to editing.
Nextorage NX-P4MG Features
Easily attaches to the back of your iPhone
It is compatible with MagSafe and can be easily attached to the back of the iPhone. The top panel of the case is made of aluminum, and the metallic texture makes it blend in with the iPhone when attached.
It also comes with a short USB Type-C cable (approximately 18 cm) that supports USB 40 Gbps, so the cable won’t get in the way when securing the iPhone.

Supports iPhone ProRes 4K 120fps shooting
It supports iPhone ProRes video recording and can save directly to the unit. It also supports high-quality recording at 4K 120fps.
Compatible models: iPhone 15 Pro/Pro Max, iPhone 16 Pro/Pro Max
Supports USB 40Gbps, high-speed transfer up to 4,000MB/s read
Supporting USB 40Gbps, it transfers data at a maximum read speed of 4,000MB/s and a maximum write speed of 3,600MB/s . * This makes data transfer easy, even when editing captured data on a PC.
*These figures are for NX-P4MG2TB and NX-P4MG4TB.
Simply insert it into various devices such as Windows PCs and Macs to save data
Because it’s pre-formatted in exFAT, it can be used directly with a variety of devices, including iPhones, Windows PCs, and Macs, simply by inserting it into the device. Large amounts of data can be transferred quickly to devices that support USB 40Gbps. For example, if you want to edit data taken with your iPhone on a PC, you can transfer the data easily and quickly, allowing you to focus on the editing process.
Compact design for easy portability
Its compact size of approximately 64.3 x 12.4 x 64 mm fits neatly on the back of an iPhone, making it convenient to carry around when shooting iPhone videos on the go, or when using a PC.
Reliable durability
The NX-P4MG series has passed the protection durability test, protecting your important data and allowing you to use it safely in various indoor and outdoor environments. It also comes with a 3-year product warranty.
- Drop resistance: Tested to a drop of 1.1m
- Shock resistance: Compliant with IEC 60068-2-27
- Vibration resistance: Compliant with IEC 60068-2-6
- Bending resistance: 50N (Newton) pressure tested
- Torsion resistance: Tested to 0.5 N・m (Newton meters)
- Durability: Tested for 10,000 cable insertions and removals
- Temperature resistance: 0°C to 40°C (guaranteed operating temperature)
Nextorage NX-P4MG Product Specifications
| Model | NX-P4MG4TB | NX-P4MG2TB | NX-P4MG1TB |
| capacity | 4TB | 2TB | 1TB |
| Interface | USB 40Gbps (USB4 Gen 3×2) |
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| NAND flash memory | 3D TLC | ||
| Max Sequential Speed (Read) | 4,000MB/s | ||
| Max Sequential Write Speed | 3,600MB/s | 3,500MB/s | |
| Port Type | USB Type-C x 1 | ||
| power supply | USB bus powered (no external power supply required) |
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| operating temperature | 0℃ to 40℃ | ||
| Operating Humidity | 95% or less (no condensation) | ||
| storage temperature | -20℃ to 60℃ | ||
| storage humidity | 93% or less (no condensation) | ||
| External dimensions (W x H x L) | Approximately 64.3 x 12.4 x 64.0 mm | ||
| mass | Approximately 40.5 g | ||
| What’s in the box | USB Type-C to USB Type-C connection cable (approx. 18 cm) | ||
| Purchase bonus (download) |
Data recovery software “Memory Card File Rescue” [5] |
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| Warranty period | 3 years from the date of purchase | ||






