
fanxiang S501 256GB NVMe SSD 3D NAND1.3 PCIe Gen3x4 M.2 2280 Internal Solid State Drive (Read Speed up to 2,050 MB/s) Compatible with Laptop & PC Desktop
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AI Verdict
A 256GB NVMe M.2 2280 SSD with 2050/800 MB/s read/write, suitable for basic system upgrades or secondary storage in older PCIe Gen3x4 systems.
This SSD is a situational fit because its 256GB capacity and PCIe Gen3x4 interface with 800 MB/s write speed limit its utility for demanding tasks. It works for basic system upgrades or as secondary storage where speed isn't paramount, but it struggles with modern high-performance needs and has reported reliability issues.
If you need more performance or storage, look for NVMe SSDs with at least 500GB capacity, PCIe Gen4 interface, and higher write speeds (1500 MB/s or more).
Regret Score™
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Pros
- Utilizes 3D NAND technology for improved power efficiency
- Sequential read speed reaches 2050 MB/s, offering a noticeable speed bump over SATA III drives
- Features LDPC ECC error correction, which helps maintain data integrity
- M.2 2280 form factor is widely compatible with many motherboards, desktops, and laptops
- Compatible with Windows 8, 10, and 11 operating systems
Cons
- The 256GB capacity is quite limited for modern operating systems, games, or large applications
- Sequential write speed of 800 MB/s is low compared to many other NVMe drives, even within the Gen3 standard
- Uses PCIe Gen3x4 interface, which is an older standard compared to current Gen4 and Gen5 drives
- Explicitly stated as not compatible with PS5 consoles
- Likely a DRAM-less design, which can impact sustained performance, especially as a boot drive
Dimension Scores
The 2050 MB/s read speed is average for a PCIe Gen3x4 drive, but the 800 MB/s write speed is below average for this interface type.
User reports indicate inconsistent quality control and instances of drives failing prematurely, with some becoming unreadable after less than 60 days of use.
A 256GB capacity is significantly small for modern operating systems, applications, and games, making it a poor fit for primary storage needs.
It offers wide compatibility with Windows 8/10/11 laptops and desktops with an M.2 interface, though it explicitly excludes PS5.
Best For
- Revitalizing an older laptop or desktop currently using a SATA SSD or traditional HDD
- A budget-conscious boot drive for a lightweight operating system installation
- Secondary storage for documents, small applications, or less demanding games
- Users needing a basic NVMe upgrade without a large budget
Not Recommended For
- High-end gaming systems requiring fast load times for large, graphically intensive titles
- Content creation workflows involving frequent large file transfers or video editing
- Primary storage for users who need significant space for numerous applications and media files
- PS5 console storage expansion, as it is not compatible
Watch Out For
- Quality control appears to be inconsistent, with some users reporting drives failing after a short period, sometimes within weeks
- One user experienced a Fanxiang S501Q (similar model) failing and becoming unreadable after less than 60 days when capacity was pushed beyond 50%
- Some users report BSODs and the drive disappearing from BIOS, indicating severe failure
- The brand is sometimes associated with 'cheap Chinese crap' and recycled hardware, raising concerns about long-term durability
- May run hotter than some competitor drives, as noted for a similar S501Q model
Full Specifications
| ASIN | B0B1HJV9VZ |
| Brand | fanxiang |
| Color | 256gb |
| Series | S501 |
| Hard Drive | 2280 GB Solid State Drive |
| Item Weight | 0.24 ounces |
| Manufacturer | fanxiang |
| Special Feature | Hardware Encryption |
| Flash Memory Size | 256 GB |
| Hardware Platform | PC, laptop |
| Installation Type | Internal Hard Drive |
| Item model number | S501-256Go |
| Compatible Devices | Desktop, Laptop |
| Product Dimensions | 3.15 x 0.87 x 0.09 inches |
| Hard Disk Interface | NVMe |
| Hard Drive Interface | NVMe |
| Hard Disk Description | Solid State Drive |
| Hard Disk Form Factor | 2 Inches |
| Item Dimensions LxWxH | 3.15 x 0.87 x 0.09 inches |
| Connectivity Technology | PCIe Gen3 |
| Digital Storage Capacity | 256 GB |
| Is Discontinued By Manufacturer | No |
What Buyers Say
The most striking feedback is the inconsistent reliability, with several users reporting complete drive failures within a few months of purchase, sometimes leading to BSODs and unreadable drives, especially when storage is pushed. While some users found it to be a cost-effective upgrade over older storage, others were left frustrated by its short lifespan. The low price often comes with a gamble on its longevity.
“Man, I thought I was getting a deal, but this thing just died on me after like a month and a half. BSODs, then just gone. Never again with these cheap brands.”
Common Praise
- Provides a noticeable speed increase over traditional hard drives or SATA SSDs
- Easy to install in compatible M.2 slots
- Affordable price point for an NVMe drive
- Works as a basic boot drive for older systems
Common Complaints
- Drive failing completely after a short period of use, sometimes less than two months
- Experiencing 'WHEA_UNCORRECTABLE_ERROR' BSODs and the drive disappearing from BIOS
- Quality control issues, with some drives being 'hit or miss'
- Performance degradation or failure when the drive's capacity is utilized beyond 50%
- Concerns about the use of 'recycled hardware' in budget-friendly drives
Ownership Tips
- The drive might perform adequately for light use initially, but can fail under heavier loads or when nearing full capacity
- Some users report the drive becoming unreadable and unrecoverable after failure
- The low price often reflects a higher risk of early failure compared to more established brands
- Performance might not be consistent, especially for sustained write operations due to the likely DRAM-less design
Frequently Asked Questions
Is this SSD compatible with the PlayStation 5?
No, the fanxiang S501 256GB NVMe SSD is explicitly stated as not compatible with PS5 consoles.
What are the advertised read and write speeds for this drive?
This drive offers sequential read speeds of up to 2050 MB/s and sequential write speeds of up to 800 MB/s.
Is this SSD suitable for gaming?
For older or less demanding games, it might be acceptable, but the 256GB capacity and 800 MB/s write speed are limiting for modern, large-file-size games and high-end gaming systems.
Does this SSD have DRAM cache?
The product specifications do not mention DRAM cache. Given its entry-level price band, it is likely a DRAM-less design, which can affect sustained performance, especially for a boot drive.
How reliable are Fanxiang SSDs?
User feedback on Fanxiang's reliability is mixed; some users report no issues, while others have experienced drives failing after a short period of use, with some becoming unreadable.
Buying Guide
When looking at an SSD like this, you need to understand that capacity, speed, and interface are key. A 256GB drive fills up fast, so if you're installing your operating system and a few games, you'll be out of space quickly. The speed numbers (like 2050 MB/s) tell you how fast it can read data, which means quicker boot times and app launches, but the write speed matters for saving files. The interface (PCIe Gen3x4) tells you what 'road' the data travels on; Gen3 is older and slower than Gen4 or Gen5.
Capacity (256 GB)
This is how much data the drive can hold, like the size of a storage box. 256GB is pretty small for today's software and games, which can easily take up 50-100GB each. Think of it as a small closet; it'll get full fast.
Interface (NVMe PCIe Gen3x4)
This is the connection type and speed lane for your data. NVMe is like a highway compared to SATA's local road. PCIe Gen3x4 is a good highway, but newer Gen4 and Gen5 are like superhighways, offering even faster speeds.
Read Speed (up to 2050 MB/s)
This is how fast the drive can pull data off, like how quickly you can grab items from your storage box. Higher read speeds mean your computer boots faster and programs open more quickly.
Form Factor (M.2 2280)
This describes the physical size and shape of the SSD. M.2 2280 is a common, small stick-like form factor that fits into compatible slots on motherboards, making installation clean and cable-free.
Alternatives
If this drive doesn't cut it, look for NVMe SSDs with capacities of 500GB or 1TB, a PCIe Gen4 interface for significantly faster speeds, and explicit mention of a DRAM cache for better sustained performance.



