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Seagate Exos X20

18 TB, 3.5", CMR
Price in EUR including VAT
EUR24,39/1TB
415Ratings
BrandMore from Seagate
Test reports1 test
Delivered between 3/2/2026 and 17/2/2026
free shipping

Product details

High performance with proven technology: Seagate Exos X20 hard drives are based on a platform that has been proven millions of times worldwide and are used in leading cloud service provider solutions. This makes them the most sought-after hard drives in the data sphere. The Exos X20 offers the most efficient rack usage and the security of Seagate Secure. Customers get market-leading capacity in a best-in-class, proven solution.

Key specifications

Interface version
SATA III
Storage Technology
CMR
Memory Scope of application
Enterprise
Max. Speed
7200 RPM
Interface
SATA
Cache
256 MB
Sustained Speed HDD
285 MB/s
Item number
17828191

General information

Manufacturer
Seagate
Category
Hard drives
Manufacturer no.
ST18000NM003D
Release date
21/11/2022

Data storage properties

Memory Scope of application
Enterprise
Interface
SATA
Interface version
SATA III
Form factor
3.5"
Storage capacity
18 TB
Cache
256 MB
Sustained Speed HDD
285 MB/s
Max. Speed
7200 RPM
Storage Technology
CMR
Hard disk additional functions
Hot plugging

Operating conditions

Maximum operating temperature
60 °C

Power supply

Power consumption (standby)
6.40 W
Power consumption
9.40 W

Origin

Country of origin
China

Sustainability

Manufacturer commitment
SBTi

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
1 piece

Product dimensions

Length
14.70 cm
Width
10.19 cm
Height
2.61 cm
Weight
670 g

Package dimensions

Length
20.90 cm
Width
14 cm
Height
6.40 cm
Weight
750 g

Legal Notice

Product Safety

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

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Reviews & Ratings

Statutory warranty score

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

Source: Galaxus
  • 2.Synology
    0,8 %
  • 4.HPE
    0,9 %
  • 5.WD
    1,5 %
  • 6.Toshiba
    1,6 %
  • 7.Seagate
    1,9 %

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.HPE
    2 days
  • 1.Toshiba
    2 days
  • 3.Seagate
    3 days
  • 3.Synology
    3 days
  • 3.WD
    3 days

Return rate

How often is a product of this brand in the «Hard drives» category returned?

Source: Galaxus
  • 3.WD
    2,3 %
  • 4.Toshiba
    2,5 %
  • 5.Seagate
    3,2 %
  • 6.Dell
    6,6 %
  • 7.HPE
    8,1 %
Source: Galaxus

Translation: machine translated
Without ratingNo rating
CT Magazin Logo
CT MagazinSingle testReleaseJanuary 2023
  • PositiveVery quiet
  • Positivecheap
  • NegativeHigh power consumption

The Seagate Exos X18 is available with 16 and 18 TBytes, soon to be followed by the 2X18, a version with a split head stack. Those who want an 18 TB Exos drive could just as well go for an Exos X20 with 18 TB. Other versions of the Exos X18 have a SAS interface or can be erased quickly and securely, but those who are only looking for the lowest price will probably get what they want: the 18 TByte...