WD Ultrastar DC HC555 3.5inch 26.1 18TB 512 7200RPM SAS ULTRA 512E SE P3 DC

18 TB, 3.5"
CHF36.05/1TB
Delivered between 18.2.2026 and 4.3.2026
More than 10 items ordered
free shipping

Data storage interface2

Memory Size5

Product details

The WD Ultrastar DC HC555 is designed for data centers that require large storage capacities and reliable performance. With a capacity of 18 TB, this internal hard drive supports continuous operation around the clock, making it suitable for high-demand environments. Its advanced features include Dynamic Fly Height technology and Energy-assisted PMR, ensuring efficient data processing for various applications. This drive operates within a temperature range of 5°C to 60°C and can also be used under extreme storage conditions, enhancing its durability and longevity. The low noise emission of 32 dBA allows for quiet operation, while the robust spindle speed of 7200 RPM and data transfer rate of 1.2 GBps boost performance. The WD Ultrastar DC HC555 is designed with a focus on data integrity and features a rotational vibration sensor and Triple-State Actuator technology, making it a reliable choice for modern data storage needs.

Key specifications

Interface version
SAS 3.0
Storage Technology
CMR
Interface
SAS
Scope of application
Enterprise
Cache
512 MB
Max. Speed
7200 RPM
Item number
49653540

General information

Manufacturer
WD
Category
Hard drives
Manufacturer no.
0B47747
Release date
24.9.2024

Data storage properties

Scope of application
Enterprise
Interface
SAS
Interface version
SAS 3.0
Form factor
3.5"
Storage capacity
18 TB
Cache
512 MB
Max. Speed
7200 RPM
Storage Technology
CMR
Hard disk filling
Helium
Max. Workload Rate
550 TB/J
MTBF
2500000 h
Hard disk additional functions
Native command queuing

Operating conditions

Maximum operating temperature
60 °C

Noise emission

Max. noise level
32 dB

Power supply

Power consumption
9.20 W

Origin

Country of origin
Thailand

Sustainability

Manufacturer commitment
SBTi

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
1 x WD Ultrastar DC HC555 18TB SAS hard drive

Product dimensions

Length
14.70 cm
Width
10.16 cm
Height
2.61 cm
Weight
679 g

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

Compare products

Goes with

Reviews & Ratings

Warranty score

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

Source: Digitec Galaxus
  • 3.HPE
    0.9 %
  • 4.Dell
    1.2 %
  • 5.Toshiba
    1.6 %
  • 5.WD
    1.6 %
  • 7.Seagate
    1.9 %

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

Return rate

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

Source: Digitec Galaxus
  • 1.Ubiquiti
    1.2 %
  • 2.Synology
    1.6 %
  • 3.WD
    2.3 %
  • 4.Toshiba
    2.6 %
  • 5.Seagate
    3.3 %
Source: Digitec Galaxus