SANDISK Extreme PRO USB-C

256 GB, USB-C
CHF0.24/1GB
2Ratings
BrandMore from SANDISK
Test reportsVery good based on 1 test
Delivered between Wed, 3.6. and Sat, 6.6.
More than 10 pieces in stock at supplier
free shipping

Memory Size4

Product details

The SanDisk Extreme PRO USB-C 3.2 Gen 2 is a powerful USB flash drive designed for users who require high speeds and large storage capacities. With a storage capacity of 256 GB, this device offers ample space for extensive data, including photos, videos, and documents. The advanced USB-C 3.2 Gen 2 technology enables impressive transfer rates that benefit both reading and writing data. With a write speed of up to 900 MB/s and a read speed of up to 1000 MB/s, this USB drive is ideal for creative professionals and tech enthusiasts who value efficiency and speed. Its compact design and lightweight build make it a convenient companion for on-the-go use.

  • High write speed of up to 900 MB/s for fast data transfers
  • Read speed of up to 1000 MB/s, perfect for large files and multimedia content
  • Compact design weighing only 26 grams, ideal for mobile use.

Key specifications

Exact USB ports
USB-C 3.2 Gen 2 (1x)
Write transfer speed
900 MB/s
Read transfer speed
1000 MB/s
USB stick housing
Memory stick without cap
Length
80.77 mm

General information

Item number
66114220
Manufacturer
SANDISK
Category
USB memory sticks
Manufacturer No.
SDCZ890-256G-G46
Release date
1.4.2026
Sales rank in Category USB memory sticks
556 of 2191

Colour

Colour
Black, Grey
Exact colour description
Black, Grey Metal

Data storage properties

Storage capacity
256 GB
USB ports
USB-C
Exact USB ports
USB-C 3.2 Gen 2 (1x)
Write transfer speed
900 MB/s
Read transfer speed
1000 MB/s

Hardware form factor

USB stick housing
Memory stick without cap

Origin

Country of origin
China, Malaysia, USA

Sustainability

Manufacturer commitment
SBTi

Voluntary climate contribution

CO₂ emissions
95.65 kg
Climate contribution
CHF 2.27

Product dimensions

Length
80.77 mm
Width
18.29 mm
Height
11.43 mm
Weight
26 g

Package dimensions

Length
14 cm
Width
10 cm
Height
1.50 cm
Weight
100 g

30-day right of return
5 years Warranty (Bring-in)
5 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «USB memory sticks» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 10.iStorage
    0.2 %
  • 10.Samsung
    0.2 %
  • 10.SANDISK
    0.2 %
  • 17.Emtec
    0.3 %
  • 17.Hama
    0.3 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.PNY
    0 days
  • 1.Samsung
    0 days
  • 1.SANDISK
    0 days
  • 1.Transcend
    0 days
  • 1.Verbatim
    0 days

Return rate

How often is a product of this brand in the «USB memory sticks» category returned?

Source: Digitec Galaxus
  • 19.Adata
    0.8 %
  • 19.Corsair
    0.8 %
  • 19.SANDISK
    0.8 %
  • 22.Kingston
    0.9 %
  • 22.MyMedia
    0.9 %
Source: Digitec Galaxus

Translation: machine translated
Very good89/100
Computer Bild Logo
Rank 2 out of 11Computer BildUSB-Sticks im TestReleaseSeptember 2025

A real surprise: the USB flash drives tested are significantly faster. The test winner among the 1-terabyte models, the Xlyne Ultra Fast Flash Drive (105 euros), is particularly fast, managing up to 2 gigabytes per second. The other sticks cannot keep up with this, not even the test winner in the 2-terabyte models...