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Green rectangular M.2 2280 circuit board with gold edge connector and black controller chips

FANXIANG

FANXIANG S501Q 2TB PCIe 3.0 x4 NVMe internal SSD

SKU CH-69QM-Z89PD

A 2TB M.2 2280 NVMe drive with PCIe 3.0 x4, 3600 MB/s read and 2700 MB/s write, 640 TBW endurance and graphite cooling stickers

  • Total capacity2 TB
  • Sequential read speedUp to 3,600 MB/s
  • Sequential write speedUp to 2,700 MB/s
  • Interface typePCI-Express 3.0 x4
  • Form factorM.2 2280
  • Product typeInternal Solid State Drive (SSD)

Capacity 2TB

  • Up to 3600 MB/s sequential read accelerates boot and load times
  • Up to 2700 MB/s sequential write speeds file saves and transfers
  • 640 TBW endurance rating supports heavy daily workloads
  • 1,500,000-hour MTBF indicates long-term reliability
  • Graphite heat-dissipation stickers help maintain performance under load

Capacity and interface

The FANXIANG S501Q is a 2TB internal SSD built on the M.2 2280 form factor and a PCI-Express 3.0 x4 NVMe link. It targets laptop and desktop users who want a large, single-volume upgrade for everyday workloads and game libraries.

Sustained write behaviour

The drive uses 3D NAND QLC with an SLC cache to absorb burst traffic, then settles to the native QLC write rate once the cache fills. Its 640TB TBW rating and 1,500,000-hour MTBF reflect the endurance envelope for long-term mixed read and write activity.

Thermals and power

A graphite heat-dissipation sticker is included to spread heat across the controller and NAND packages. The drive is rated for 0°C to 70°C operating temperature and -25°C to 85°C storage temperature, indicating typical power draw and thermal output for a Gen 3 x4 NVMe device without a dedicated heatsink.

How it compares

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

Price $197.99
Typical for this category: the median of 1,994 items is $180.49.
Total capacity 2 TB
Higher than about 70% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 3,600 MB/s
Higher than about 61% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $99.00 per TB
Cheaper than about 85% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameFANXIANG
Product lineS501Q
Model nameS501Q
Part numberS501Q-2 TB
Total capacity2 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 3,600 MB/s
Sequential write speedUp to 2,700 MB/s
Storage
NAND flash typeQLC
Write endurance640 TB
Ports & slots
Interface typePCI-Express 3.0 x4
Size & build
Form factorM.2 2280
Heat sinkWithout HeatSink
Overall height2.4 mm
Overall width22 mm
Product depth80 mm
Product weight8g
In the box
Included itemsS501Q M.2 NVMe SSD x1, Screwdriver x1, Screw x1
Environment & compliance
Operating temperature range0 °C to 70 °C
Storage temperature range-25 °C to 85 °C
More details
Mean time between failures1,500,000 h

Other versions of this model

2 more in the same range

Questions about this item

Does the 2 TB S501Q run hot or draw extra power during all‑day use?

The drive includes graphite heat‑dissipation stickers to control temperature, operates from 0 °C to 70 °C and uses the PCIe 3.0 x4 interface without a heatsink.

What must my motherboard provide for this M.2 2280 NVMe drive to work?

An M.2 slot wired for PCIe 3.0 x4 NVMe; the drive is 22 mm wide and 2.40 mm high.

Will this PCIe 3.0 x4 SSD run at full speed in a PCIe 2.0 slot?

It will function but speeds are limited to the PCIe 2.0 x4 ceiling, below the 3600 MB/s read and 2700 MB/s write ratings.

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