Your data. Your choice.

If you select «Essential cookies only», we’ll use cookies and similar technologies to collect information about your device and how you use our website. We need this information to allow you to log in securely and use basic functions such as the shopping cart.

By accepting all cookies, you’re allowing us to use this data to show you personalised offers, improve our website, and display targeted adverts on our website and on other websites or apps. Some data may also be shared with third parties and advertising partners as part of this process.

Legal noticePrivacy notice

Adata SSD 4.0TB External SD820 U3.2 Gen2 Typ C Blue

4 TB
Price in EUR including VAT
EUR169,75/1TB
Ratings
BrandMore from Adata
Delivered between Tue, 14/4 and Thu, 16/4
Only 1 piece in stock at supplier
free shipping

Colour2

Product details

Ideal storage medium for outdoor activities. MIL-STD-810G 516.6 certification for shock and drop resistance from 1.22 meters. IP68 certification - protection against water and dust (withstands immersion at a depth of 1 meter for 60 minutes). Protective cap for the connector (without it, water can enter). Interface: USB 3.2 Gen 2x2. Read speed up to 2000 MB/s. Write speed up to 2000 MB/s. Compatible with Xbox, PlayStation 5, and more. Dimensions 71.3 x 39 x 13.65 mm. Weight 26.5 g. Operating system: Windows 8 / 8.1 / 10 / 11, MacOS 10.6 or newer (formatting required), Linux Kernel 2.6 or newer, Android 13 or newer. Includes a USB-C to USB-C cable.

Key specifications

USB ports
USB-C
Read transfer speed
2000 MB/s
Write transfer speed
2000 MB/s

General information

Item number
64490385
Manufacturer
Adata
Category
External SSDs
Manufacturer no.
SD820-4000G-CBU
Release date
22/10/2025

Colour

Colour
Blue
Exact colour description
Black, Blue

Data storage properties

Storage capacity
4 TB
USB ports
USB-C
Read transfer speed
2000 MB/s
Write transfer speed
2000 MB/s
Protection type (IP code)
IP68

Voluntary climate contribution

CO₂ emissions
42,24 kg
Climate contribution
EUR 1,07

Scope of delivery

Scope of delivery
USB-C to USB-C cable

Product dimensions

Length
7.13 cm
Width
3.90 cm
Height
1.37 cm
Weight
26.50 g

Legal Notice

Product Safety

14-day cancellation right
30-day right of return
24 Months statutory warranty
Legal concerns

Compare products

Goes with

Reviews & Ratings

Statutory warranty score

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

Source: Galaxus
  • 13.Crucial
    1,4 %
  • 13.Synology
    1,4 %
  • 15.Adata
    1,7 %
  • 16.Corsair
    2,1 %
  • 17.SanDisk Professional
    2,7 %

Statutory 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: Galaxus
  • 1.Crucial
    2 days
  • 1.OWC
    2 days
  • 4.Adata
    3 days
  • 4.Intenso
    3 days
  • 4.Verbatim
    3 days

Return rate

How often is a product of this brand in the «External SSDs» category returned?

Source: Galaxus
  • 10.Kioxia
    1,6 %
  • 10.Verbatim
    1,6 %
  • 12.Adata
    2 %
  • 13.LaCie
    2,1 %
  • 13.Lexar
    2,1 %
Source: Galaxus