Fanxiang S500 Pro 512GB NVMe SSD vs Fanxiang 500GB Portable USB-C SSD: Spec Comparison
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This fanxiang s500 pro 512gb nvme SSD vs 500gb external SSD comparison highlights two distinct storage solutions. Both offer high-speed data access and use TLC NAND flash memory. The primary difference lies in form factor and connectivity. One is an internal M.2 drive for direct motherboard installation, while the other is a portable external unit connected via USB-C. You must choose based on your device's available ports and whether you need internal expansion or removable storage.
Key differences
| Aspect | Fanxiang S500 Pro 512GB NVMe SSD | Fanxiang 500GB Portable USB-C SSD |
|---|---|---|
| Interface | PCIe Gen3x4 | USB 3.2 Gen2 |
| Form Factor | M.2 2280 Internal | Portable External |
| Max Read Speed | 3200MB/s | 1000MB/s |
| Max Write Speed | 1300MB/s | 900MB/s |
| Cooling | Graphite heat dissipation stickers | Unibody aluminum alloy casing |
| Warranty | 3-year quality assurance | 5-year limited service commitment |
Which one should you choose?
Choose Fanxiang S500 Pro 512GB NVMe SSD if
- You need to install the drive directly into a laptop or desktop motherboard.
- You require the fastest possible sequential read and write speeds for large files.
- You want a drive that fits inside a slim laptop or compact desktop case.
Choose Fanxiang 500GB Portable USB-C SSD if
- You need a portable drive that connects to phones, tablets, and computers via USB-C.
- You want to record 4K ProRes video directly from an iPhone 15 or newer.
- You prefer a durable, aluminum enclosure that protects the drive during transport.
Verdict: Choose the S500 Pro if you are upgrading an internal drive and need maximum throughput for a PC or laptop. Select the portable SSD if you need cross-device compatibility and the ability to connect to mobile phones or tablets. The internal drive offers higher speeds, while the external unit provides versatility and physical protection.
Internal vs Portable Storage Specs
Transfer Speeds
The Fanxiang S500 Pro NVMe SSD offers significantly higher sequential speeds, with read rates up to 3200MB/s and write rates up to 1300MB/s. This makes it ideal for fast boot times and rapid file transfers within a desktop or laptop. In contrast, the Fanxiang 500GB Portable USB-C SSD caps at 1000MB/s read and 900MB/s write speeds. While these external speeds are excellent for portable use and still faster than traditional hard drives, they cannot match the internal drive’s PCIe Gen3x4 bandwidth. If raw speed is your priority for internal operations, the S500 Pro is the clear choice.
Form Factor
These two drives serve completely different physical roles. The S500 Pro is an M.2 2280 internal drive, measuring just 3.15 inches in length and 0.08 inches in height. It fits directly into a motherboard slot, saving space inside your computer case. The portable SSD is an external device with a USB-C interface, measuring 4.25 inches by 1.34 inches and 0.51 inches thick. It is designed to be carried in a pocket or bag. You must choose based on whether you need internal storage expansion or portable, plug-and-play external access.
Cooling Solutions
Thermal management differs between the two designs. The S500 Pro includes graphite heat dissipation stickers to help control temperature during internal operations, which can improve performance stability and service life. The portable SSD features a unibody aluminum alloy casing that acts as a heatsink. The manufacturer notes that slight warmth during high-speed transfers is normal and helps dissipate heat efficiently. Both approaches address thermal concerns appropriate for their respective environments, ensuring reliable operation under load without requiring additional cooling fans or large heatsinks.
NAND and Cache
The S500 Pro explicitly uses 3D NAND TLC technology paired with intelligent SLC cache to accelerate write speeds. This combination helps maintain performance during sustained transfers. The portable SSD also uses TLC NAND flash memory, as noted in the comparison overview, but the data does not specify the exact cache type or NAND architecture details for this external model. Both rely on TLC for a balance of capacity and endurance, but the S500 Pro provides more specific details on its caching strategy for internal performance optimization.
Compatibility
The S500 Pro is compatible with Windows 7 through 11 and Mac OS 10.9 and later, provided the motherboard has an M.2 interface. It works with laptops and desktops. The portable USB-C SSD offers broader device compatibility, supporting Mac, Windows, Android, and iOS (USB-C). It can connect to phones, tablets, and computers. Notably, it supports direct 4K ProRes recording on iPhone 15 series and newer. If you need to move files between a phone and a computer, the portable drive is the more versatile option.
Durability and Build
The S500 Pro has no internal mechanical parts, offering good shock resistance and high data security for internal installation. It is lightweight at 0.96 ounces. The portable SSD is crafted from a durable aluminum alloy, making it impact-resistant and fingerprint-proof. It weighs slightly more at 1.41 ounces. The external drive is rated for operation between 32°F and 158°F, ensuring reliability in various environments. While both are solid-state and resistant to physical shock, the portable model’s rugged metal casing offers extra protection for travel.
Choose the right Fanxiang drive for you
Desktop or laptop builders needing internal storage
You need an internal M.2 2280 drive for your PC or laptop. This NVMe SSD connects via PCIe Gen3x4, offering sequential read speeds up to 3200MB/s and write speeds up to 1300MB/s. It uses 3D TLC NAND with SLC cache for consistent performance. The graphite stickers help manage heat, and the 512GB capacity fits standard motherboard slots directly.
iPhone 15 users recording ProRes video
This portable SSD connects directly to your iPhone 15 series or newer via USB-C. You can record 4K ProRes video directly to the drive without needing an app. It features a durable aluminum unibody casing and supports speeds up to 1000MB/s read and 900MB/s write. The 500GB capacity provides ample space for high-resolution footage on the go.
Users needing cross-device portability
You want to move large files between different devices like Mac, Windows, Android, and iOS. This external drive uses a USB 3.2 Gen2 interface for broad compatibility. It works seamlessly with laptops, tablets, and phones. The compact aluminum design is lightweight and impact-resistant, making it easy to carry. You get 500GB of storage for backups and transfers.
The products compared
Fanxiang S500 Pro 512GB NVMe SSD
Best for: Internal Gen3 storage upgrades
- Storage Capacity
- 512GB
- Interface
- PCIe Gen3x4
- Max Read Speed
- 3200MB/s
- Max Write Speed
- 1300MB/s
- Cache Type
- SLC Cache
- Cooling
- Graphite heat dissipation stickers
View on Amazon: Fanxiang S500 Pro 512GB NVMe SSD Affiliate link
The Fanxiang S500 Pro is a 512GB internal M.2 2280 NVMe drive using PCIe Gen3x4. It offers sequential read speeds up to 3200MB/s and write speeds up to 1300MB/s. The drive uses 3D TLC NAND with an SLC cache for performance. It includes graphite heat dissipation stickers to manage thermal output. This internal SSD is designed for laptops and desktops that support the M.2 interface.
Pros
- Sequential read speeds reach 3200MB/s
- Includes graphite heat dissipation stickers
- Uses 3D TLC NAND with SLC cache
- Rated for 320TBW endurance
Cons
- Sequential write speed is 1300MB/s
- Limited to PCIe Gen3x4 interface
- No active cooling fan included
Good fit if
- You need fast internal storage for a desktop
- You want high sequential read speeds
- You prefer passive thermal management
Skip if
- You require PCIe Gen4 speeds
- You need an external portable drive
- You want active cooling solutions
Verdict: Fanxiang S500 Pro 512GB NVMe SSD delivers strong Gen3 read speeds for users upgrading internal storage. It suits desktop and laptop owners who prioritize sequential performance and thermal stability over Gen4 bandwidth.
Fanxiang 500GB Portable USB-C SSD
Best for: iPhone ProRes recording and portable backups
- 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 portable external SSD uses a USB 3.2 Gen2 interface to deliver up to 1000MB/s read speeds. You get a compact aluminum build that weighs just 1.41 ounces. It supports direct 4K ProRes recording on iPhone 15 models and newer. The drive connects to Mac, Windows, and Android devices. It offers 500GB of storage in a durable, fingerprint-proof casing.
Pros
- Reads up to 1000MB/s with USB 3.2 Gen2
- Writes at 900MB/s for fast transfers
- Direct 4K ProRes recording for iPhone 15 and newer
- Unibody aluminum alloy construction is lightweight
Cons
- Lower write speed than internal NVMe drives
- Requires USB 3.2 Gen2 port for max performance
- No dedicated app for file management
Good fit if
- You need to record 4K ProRes video directly to an iPhone 15 or newer
- You want a lightweight drive for Mac or Windows laptops
- You need broad compatibility with USB-C devices
Skip if
- You require internal M.2 PCIe Gen3x4 speeds
- You only have older USB 3.0 ports
- You need a drive with a display screen
Verdict: Fanxiang PS1008 500GB External SSD fits creators who need fast, portable storage for iPhone 15 ProRes recording or large file transfers on Mac and Windows.
Specifications side by side
| Spec | Fanxiang S500 Pro 512GB 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 | 3200MB/s | Up to 1000MB/s |
| Max Write Speed | 1300MB/s | 900MB/s |
| Cache Type | SLC Cache | not stated |
| Cooling | Graphite heat dissipation stickers | not stated |
| Compatibility | Laptop, Desktop | Mac |
| NAND Type | 3D NAND, TLC | not stated |
| Size | 512GB | 500GB |
| Material | not stated | Aluminum |
| Dimensions | 3.15 × 0.87 × 0.08 inches | 4.25 × 1.34 × 0.51 inches |
| Weight | 0.96 ounces | 1.41 ounces |
| Color | black | Black |
| Model | S500 Pro | PS1008SP-500GB |
Frequently asked questions
Is the Fanxiang S500 Pro 512GB NVMe SSD compatible with my laptop?
Yes, the S500 Pro is designed for both laptops and desktops. It uses an M.2 2280 form factor and connects via PCIe 3.0 interface. You can install it directly into compatible motherboards to upgrade internal storage without needing external cables.
Can I use the Fanxiang 500GB Portable SSD for iPhone ProRes recording?
Yes, this portable drive is suitable for iPhone ProRes recording. It features a USB-C connection and a compact 500GB capacity. The design supports fast data transfers, making it a practical choice for creators needing portable storage on Mac or Windows devices.
What type of NAND flash does the S500 Pro use?
The S500 Pro uses 3D TLC NAND flash memory. This type of memory offers a balance of performance and endurance for general computing tasks. It also includes SLC caching to help maintain higher write speeds during large file transfers.
How heavy is the Fanxiang S500 Pro NVMe SSD?
The S500 Pro weighs 0.96 ounces. Its dimensions are 3.15 inches in length, 0.87 inches in width, and 0.08 inches in height. This lightweight, low-profile design allows it to fit easily into tight spaces inside most modern laptops and desktops.
Does the portable Fanxiang SSD come in a specific color?
Yes, the Fanxiang 500GB Portable USB-C SSD is available in black. Its compact chassis measures 4.25 inches in length and 1.34 inches in width. The black finish helps it blend discreetly into your workflow whether you are at a desk or on the go.
Is the S500 Pro a Gen3 or Gen4 drive?
The S500 Pro is a PCIe Gen3 drive. It utilizes the PCIe 3.0 interface for data transfer. This makes it an ideal upgrade for systems that do not support Gen4 bandwidth, providing strong sequential read speeds while maintaining thermal stability during operation.
What is the storage capacity of the portable Fanxiang model?
The portable Fanxiang model offers 500GB of storage space. This capacity is sufficient for storing large video files, photos, and application data. It is designed to be a reliable external solution for backing up important files or expanding your device's internal memory.

