Fanxiang 512GB PCIe 3.0 NVMe SSD vs Fanxiang 500GB Portable USB-C SSD (2026): Key Differences
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This fanxiang s501 512gb nvme SSD vs 500gb external SSD comparison highlights two very different storage solutions from the same brand. Both drives offer high-speed data transfer and reliable NAND memory for daily computing tasks. The main difference lies in their form factor and connection type. One is an internal M.2 drive for direct motherboard installation, while the other is a portable external drive connected via USB-C. You need to choose based on whether you are upgrading a computer or moving files between devices.
Key differences
| Aspect | Fanxiang 512GB PCIe 3.0 NVMe SSD | Fanxiang 500GB Portable USB-C SSD |
|---|---|---|
| Form Factor | M.2 2280 internal module | Portable external enclosure |
| Interface | PCIe Gen3x4 | USB 3.2 Gen2 |
| Max Read Speed | 2,150 MB/s | 1,000 MB/s |
| Max Write Speed | 1,600 MB/s | 900 MB/s |
| Compatibility | Desktops and laptops with M.2 slots | Mac, Windows, Android, iOS, and phones |
Which one should you choose?
Choose Fanxiang 512GB PCIe 3.0 NVMe SSD if
- You need to install a fast internal drive in a desktop or laptop.
- You want the highest possible sequential read and write speeds for gaming or editing.
- You prefer a compact form factor that fits directly onto a motherboard.
Choose Fanxiang 500GB Portable USB-C SSD if
- You need to transfer large files between different devices like phones and computers.
- You want a durable, portable drive with an aluminum casing for on-the-go use.
- You need direct compatibility with USB-C devices, including iPhone 15 series and newer.
Verdict: Choose the internal S501 if you are building or upgrading a PC and need maximum speed within the system. Select the external PS1008 if you require a portable solution for backing up data or transferring files across multiple devices including smartphones.
Internal Speed vs External Portability
Interface type
Product A uses a PCIe Gen3x4 interface, connecting directly to the motherboard via an M.2 slot. This internal connection allows for lower latency and higher throughput compared to external buses. Product B relies on a USB 3.2 Gen2 interface, which routes data through a controller and cable. While USB 3.2 Gen2 is fast, it introduces more overhead than a direct PCIe link. You need a motherboard with an available M.2 slot for Product A, whereas Product B works with any device having a USB-C port. The internal interface generally offers better performance for sustained heavy loads.
Sequential speeds
Product A delivers sequential read speeds up to 2,150 MB/s and write speeds up to 1,600 MB/s. This makes it significantly faster for large file transfers and loading games compared to many external drives. Product B offers sequential read speeds up to 1,000 MB/s and write speeds up to 900 MB/s. While these speeds are excellent for an external drive, they are less than half the speed of Product A. If you are moving large video files or installing heavy applications, Product A will complete tasks much faster. The speed difference is substantial and noticeable in daily use.
Form factor
Product A is an M.2 2280 internal drive, measuring 3.14 inches in length, 0.86 inches in width, and 0.14 inches in height. It is designed to be installed inside a desktop or laptop. Product B is a portable external drive, measuring 4.25 inches in length, 1.34 inches in width, and 0.51 inches in height. It weighs 1.41 ounces and includes a USB-C cable. Product B is built for portability and external use. You can easily carry it in a pocket or bag. Product A is not portable and requires internal installation. Choose based on whether you need internal storage or external flexibility.
Device compatibility
Product A is compatible with Windows 8, 10, and 11, as well as motherboards, desktops, and laptops with M.2 interfaces. It does not work on the PS5. Product B is compatible with Mac, Windows, Android, and iOS devices with USB-C ports. It specifically supports direct 4K ProRes recording on iPhone 15 series and newer. Product B works with laptops, desktops, tablets, and phones. If you need storage for multiple devices, including smartphones, Product B is the better choice. Product A is limited to computers with M.2 slots.
Build and cooling
Product B features a unibody aluminum alloy casing that is impact-resistant and fingerprint-proof. The metal build helps dissipate heat generated during high-speed data transfers. It operates safely within 32°F to 158°F. Product A is an internal drive with no specific external casing details provided in the data. Internal drives often rely on system airflow for cooling. Product B’s aluminum build offers physical protection and thermal management for an external device. This makes it more durable for transport. Product A is protected inside your computer case.
Which Fanxiang SSD fits your needs
Desktop or laptop builders
You need an internal drive to replace or expand your system storage. The Fanxiang S501 connects via M.2 2280 PCIe Gen3x4. It offers sequential read speeds up to 2,150 MB/s and write speeds up to 1,600 MB/s. This interface reduces latency for operating system loading and game performance. It fits directly into compatible motherboards or laptops without external cables.
iPhone 15 and newer users
You want to record 4K ProRes video directly from your phone. This portable drive connects via USB-C and supports direct recording on iPhone 15 series and newer models. It requires no app setup. You simply plug in the cable and manage files through the Files app. It is lightweight and durable, making it easy to carry for on-the-go video production.
Cross-platform data transfer users
You move large files between Windows, Mac, Android, and iOS devices. The external SSD uses a USB 3.2 Gen2 interface for broad compatibility. It delivers read speeds up to 1,000 MB/s and write speeds up to 900 MB/s. The aluminum build is impact-resistant and dissipates heat efficiently. It is ideal for backing up photos, videos, and documents across different operating systems without needing additional drivers.
The products compared
Fanxiang 512GB PCIe 3.0 NVMe SSD
Best for: Internal upgrades for laptops and desktops
- Storage Capacity
- 512GB
- Interface
- PCIe Gen3x4
- Max Read Speed
- 2,150 MB/s
- Max Write Speed
- 1,600 MB/s
- Form Factor
- M.2 2280
- Compatibility
- Laptop, Desktop
View on Amazon: Fanxiang 512GB PCIe 3.0 NVMe SSD Affiliate link
The Fanxiang S501 is a 512GB internal M.2 2280 SSD using PCIe Gen3x4. It offers sequential read speeds up to 2,150 MB/s and write speeds up to 1,600 MB/s. This drive uses 3D NAND technology to improve system loading times and power efficiency. It fits laptops and desktops with an M.2 interface. Note that it is not compatible with PS5 consoles.
Pros
- Sequential read speeds up to 2,150 MB/s
- Sequential write speeds up to 1,600 MB/s
- M.2 2280 form factor for desktops and laptops
- Built-in LDPC ECC error correction
Cons
- PCIe Gen3x4 interface is slower than Gen4 options
- 512GB capacity is smaller than the 500GB external competitor
- Not compatible with PS5
Good fit if
- You need an internal drive for a laptop or desktop
- You want faster load times for games and software
- You are upgrading a system with an M.2 slot
Skip if
- You are looking for a portable external drive
- You need to install the drive in a PS5
- You require PCIe Gen4 speeds
Verdict: Fanxiang S501 512GB NVMe SSD provides solid internal storage for users upgrading laptops or desktops with M.2 slots. It is a practical option for those prioritizing internal speed over portability.
Fanxiang 500GB Portable USB-C SSD
Best for: iPhone 15 ProRes recording and portable storage
- Storage Capacity
- 500GB
- Interface
- USB 3.2 Gen2 Type-C
- Form Factor
- Portable
- Max Read Speed
- Up to 1000MB/s
- Max Write Speed
- 900MB/s
- Compatibility
- Mac
View on Amazon: Fanxiang 500GB Portable USB-C SSD Affiliate link
This is a 500GB external SSD with a USB 3.2 Gen2 interface. It offers read speeds up to 1000MB/s and write speeds up to 900MB/s. The drive uses an aluminum alloy case for durability and heat dissipation. It connects to Mac, Windows, Android, and iOS devices. You can record 4K ProRes video directly to it on iPhone 15 series or newer. It is a portable option for large file transfers.
Pros
- USB 3.2 Gen2 interface for high-speed data transfer
- Up to 1000MB/s read and 900MB/s write speeds
- Direct 4K ProRes recording support for iPhone 15 and newer
- Unibody aluminum alloy construction for impact resistance
- Compatible with Mac, Windows, Android, and iOS devices
Cons
- 500GB capacity is smaller than the 512GB internal SSD on the list
- Requires a USB 3.2 Gen2 port to achieve maximum speeds
- Drive may become warm during high-speed data transfers
Good fit if
- You need to record 4K ProRes video directly from an iPhone 15 or newer
- You want a portable drive for Mac, Windows, or Android devices
- You prioritize fast transfer speeds for large files
Skip if
- You need an internal M.2 drive for a desktop or laptop
- Your device only supports USB 3.0 or older ports
- You require more than 500GB of storage capacity
Verdict: Fanxiang 500GB Portable USB-C SSD is a solid choice for iPhone 15 users who need to record 4K ProRes video directly to external storage. It also suits users who need a fast, portable drive for Mac or Windows laptops.
Specifications side by side
| Spec | Fanxiang 512GB PCIe 3.0 NVMe SSD | Fanxiang 500GB Portable USB-C SSD |
|---|---|---|
| Storage Capacity | 512GB | 500GB |
| Interface | PCIe Gen3x4 | USB 3.2 Gen2 Type-C |
| Form Factor | not stated | Portable |
| Max Read Speed | 2,150 MB/s | Up to 1000MB/s |
| Max Write Speed | 1,600 MB/s | 900MB/s |
| Compatibility | Laptop, Desktop | Mac |
| Size | 512GB | 500GB |
| Material | not stated | Aluminum |
| Dimensions | 3.14 × 0.86 × 0.14 inches | 4.25 × 1.34 × 0.51 inches |
| Weight | not stated | 1.41 ounces |
| Color | 512gb | Black |
| Model | S501-512Go | PS1008SP-500GB |
Frequently asked questions
Can the Fanxiang 500GB Portable USB-C SSD record iPhone 15 ProRes video?
Yes, this external drive is a solid choice for recording 4K ProRes video directly from an iPhone 15. It is designed for users who need fast portable storage for Mac or Windows laptops. The USB-C connection supports the high bandwidth required for these demanding video formats without bottlenecking the transfer speeds.
What is the physical size of the Fanxiang S501 NVMe SSD?
The Fanxiang S501 uses the standard M.2 2280 form factor. Its dimensions are 3.14 inches in length, 0.86 inches in width, and 0.14 inches in height. This compact size allows it to fit into most modern laptops and desktops that have an available M.2 slot for internal storage expansion.
Is the Fanxiang 512GB PCIe 3.0 NVMe SSD compatible with desktops?
Yes, this internal SSD is compatible with both laptops and desktops. It connects via a PCIe 3.0 interface through an M.2 slot. This makes it a practical option for users looking to upgrade internal storage in desktop computers or compatible laptops that support this specific form factor and interface standard.
How heavy is the Fanxiang 500GB Portable USB-C SSD?
The portable drive weighs 1.41 ounces. Its compact dimensions are 4.25 inches in length, 1.34 inches in width, and 0.51 inches in height. This lightweight design makes it easy to carry in a pocket or bag, ensuring you have reliable external storage available for travel or mobile work setups.
Does the Fanxiang S501 come in different colors?
The product data lists the color as 512GB, which typically refers to the capacity rather than a visual hue. The drive is an internal M.2 component that mounts inside your computer case. You will not see the drive itself during normal operation, as it is installed directly onto the motherboard or via a bracket.
Can I use the USB-C SSD for general file storage on Windows?
Yes, the Fanxiang 500GB Portable USB-C SSD suits users who need fast, portable storage for Mac or Windows laptops. The USB-C interface provides a straightforward plug-and-play experience for transferring files between your computer and the drive. It is ideal for backing up data or expanding storage on the go.