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Green printed circuit board M.2 2280 NVMe SSD with black controller and silver label

FANXIANG

FANXIANG S500 256GB M.2 2280 NVMe internal SSD

SKU CH-PTNB-FB6PS MPN S500

M.2 2280 NVMe SSD with 256 GB capacity, PCIe 3.0 x4 interface and up to 2800 MB/s sequential read

  • Total capacity256 GB
  • Sequential read speedUp to 2,800 MB/s
  • Sequential write speedUp to 2,000 MB/s
  • Interface typePCI-Express 3.0 x4
  • Form factorM.2 2280
  • Product typeInternal Solid State Drive (SSD)

Capacity 256GB

  • Up to 2800 MB/s sequential read accelerates boot and load times
  • Up to 2000 MB/s sequential write speeds up large file transfers
  • 3D NAND TLC flash delivers higher endurance than QLC alternatives
  • 160 TBW rating supports heavy daily workloads for years
  • M.2 2280 form factor fits laptops and desktops with PCIe 3.0 slots

PCIe 3.0 NVMe 256GB

The FANXIANG S500 256GB is an M.2 2280 internal SSD using a PCIe 3.0 x4 interface and 3D NAND TLC flash. It targets everyday computing workloads on laptops and desktops that support NVMe. The drive delivers up to 2800 MB/s sequential read and 2000 MB/s sequential write. Rated endurance is 160 TBW with a 2,000,000-hour MTBF.

Sustained thermal behaviour

Without a heatsink the controller relies on the motherboard slot airflow to shed heat during long writes. The 4.00 mm single-sided profile keeps the drive within the 0 °C to 70 °C operating window in typical chassis. LDPC error correction and wear-leveling maintain data integrity as temperatures rise. Performance remains consistent until thermal limits trigger throttling.

Upgrade from SATA SSDs

Replacing a 2.5-inch SATA SSD with this NVMe drive removes the 6 Gb/s bottleneck and cuts boot and application load times. The jump is worth it when the platform has an M.2 2280 slot wired for PCIe 3.0 x4 and the user needs 256 GB of low-latency storage. Older systems limited to SATA or PCIe 2.0 will not see the full speed benefit.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $45.99
Cheaper than about 91% of the 1,994 comparable items (median $180.49).
Total capacity 256 GB
Lower than about 80% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 2,800 MB/s
Typical for this category: the median of 1,180 items is 2,400 MB/s.
Price per TB $179.65 per TB
Pricier than about 54% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameFANXIANG
Product lineS500 Pro
Model nameS500 Pro
Part numberS500 Pro-256 GB
Total capacity256 GB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 2,800 MB/s
Sequential write speedUp to 2,000 MB/s
Storage
NAND flash type3D NAND TLC
Write endurance160
Ports & slots
Interface typePCI-Express 3.0 x4
Size & build
Form factorM.2 2280
Heat sinkWithout HeatSink
Overall height4 mm
Overall width22 mm
Product depth80 mm
Product weight8g
Environment & compliance
Operating temperature range0 °C to 70 °C
Storage temperature range-45 °C to 85 °C
More details
Mean time between failures2,000,000 h

Other versions of this model

1 more in the same range

Questions about this item

Will this drive fit in a standard laptop M.2 2280 slot?

Yes, the drive uses the M.2 2280 form factor measuring 22.00mm wide by 80.00mm long and 4.00mm tall, matching the standard slot dimensions.

Does the 256GB model reach the 3500MB/s read speed mentioned in the highlights?

No, the 256GB capacity is rated for up to 2800MB/s sequential read and 2000MB/s sequential write; the higher 3500MB/s figure applies to the 1TB model.

Is a heatsink required for this SSD in a typical desktop build?

The drive ships without a heatsink and is rated for 0°C to 70°C operating temperature; most motherboards provide sufficient airflow, but a motherboard heatsink can be added if desired.

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