HDD Western Digital 20 TB Ultrastar DC HC555

Name: HDD Western Digital 20 TB 0B47749
Brand: Western Digital
SKU: 11195826
Price: 1074.49 EUR
Availability: InStock

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HDD Western Digital 20 TB 3.5" SAS3 Ultrastar DC HC555

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Short description

The Western Digital Ultrastar DC HC555 is a high-capacity internal hard drive with 20 TB storage, 7200 RPM speed, and a 512 MB buffer. Designed for enterprise applications, it offers reliable performance and durability. The 3.5" SAS3 interface ensures fast data transfer rates, making it ideal for data centers and demanding workloads.

Available at price 1,074.49 €: 6 pcs.

Total available for order: 206 pcs.

Warranty: 5 Years

SKU: 11195826

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2b. Kengaraga str., Riga, Latvia, LV-1063

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From 4.99 € (Weight: 0.70 kg)

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Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities

36 months installment: from 29.85 euros per month

Leasing for legal entities: from 37.39 euros per month

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Product information

Description

The Western Digital Ultrastar DC HC555 20 TB 3.5" SAS3 is a high-capacity internal hard drive designed for enterprise and data center use. With 20 TB of storage, 7200 RPM rotation speed and a 512 MB buffer, this Ultrastar drive combines proven hardware platforms and modern technologies to deliver the capacity, performance and reliability required for continuous 24×7 multi-user workloads.

Advantages

The HC555 uses energy-assisted perpendicular magnetic recording (ePMR) and a Triple-Stage Actuator (TSA) to increase tracks-per-inch and enable high areal density while keeping power consumption low. HelioSeal helium technology provides a stable internal environment for reduced power profile. Built on a platform deployed in thousands of data centers, the drive offers a projected 2.5M-hour MTBF and field-proven dependability. Integrated rotation vibration (RV) sensors and multi-axis shock sensors help maintain performance and protect data under vibration and shock.

Suitable for

Enterprise data center storage
High-intensity 24×7 multi-user workloads
Archive and capacity-optimized storage
Servers and storage arrays with SAS3 interface

Key specifications

Capacity: 20 TB (20000 GB)
Form factor: 3.5"
Interface: SAS3
Rotational speed: 7200 RPM
Buffer: 512 MB
MTBF: 2,500,000 hours
Weight: 0.69 kg

How to use

Install the HDD in a compatible 3.5" drive bay or storage enclosure that supports SAS3 connectivity. Follow your server or array vendor instructions for hot-swap or fixed mounting procedures, and ensure firmware and drivers are up to date. Configure RAID or other data protection as required by your environment, then initialize and format the drive according to your operating system or storage controller guidelines.

Usage recommendations

For best results, deploy the Ultrastar DC HC555 in systems designed for enterprise-class HDDs with adequate cooling and vibration control. Use appropriate RAID levels or redundancy strategies for critical data, monitor drive health with vendor tools, and follow manufacturer guidelines for firmware updates and operating environment.

Specifications

HDD capacity:: 20000 GB
HDD size:: 3.5
HDD speed:: 7200
Mean time between failures (MTBF):: 2500000 h
Weight:: 0.69 kg

All features

Features

HDD capacity:: 20000 GB
HDD size:: 3.5
HDD speed:: 7200
Mean time between failures (MTBF):: 2500000 h
Average latency:: 4.16 ms
Start/stop cycles:: 600000
Hot-swap:: No
HDD interface transfer rate:: 12 Gbit/s
HDD sustained transfer rate:: 272 MiB/s
Component for:: Server/workstation
HDD average transfer rate:: 285 MB/s
Interface:: SAS3
Type:: HDD
Storage drive buffer size:: 512 MB
24/7 operation:: Yes

Operational conditions

Storage temperature (T-T):: -40 - 70
Operating temperature (T-T):: 5 - 60
Operating shock:: 50 G
Non-operating shock:: 250 G
Non-operating vibration:: 1.04 G
Operating vibration:: 0.67 G

Other features

Warranty period:: 5 year(s)

Weight & dimensions

Weight:: 0.69 kg
Height:: 26.1 mm
Width:: 101.6 mm
Depth:: 147 mm

Power

Power consumption (typical): Power consumption in switched-on state expressed in W.: 9.2 W
Operating voltage:: 5 V
Power consumption (idle):: 5.7 W

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Instructions

mmo_122656551_1730209732_1661_300369.pdf

Description

Instructions

mmo_122656551_1730209732_1661_300369.pdf

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Warehouse	Stock	Delivery to the store	Store Price
BT19	6	Tomorrow Best delivery	1,074.49 €
EU2	40	Friday	1,084.49 €
WH357	40	08.07.2026	1,166.99 €
WH94	10	02.07.2026	1,195.49 €

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Available only for legal entities
Warehouse	Stock	Delivery to the store	Store Price
WH332	50	02.07.2026	1,168.49 €
EU9	20	02.07.2026	1,216.99 €
WH109	40	16.07.2026	1,217.99 €

1,074.49 €

Stock: 6

Delivery Date: Tomorrow Best delivery

Warehouse: BT19

1,084.49 €

Stock: 40

Delivery Date: Friday

Warehouse: EU2

1,166.99 €

Stock: 40

Delivery Date: 08.07.2026

Warehouse: WH357

1,195.49 €

Stock: 10

Delivery Date: 02.07.2026

Warehouse: WH94

Available only for legal entities

1,168.49 €

Stock: 50

Delivery Date: 02.07.2026

Warehouse: WH332

1,216.99 €

Stock: 20

Delivery Date: 02.07.2026

Warehouse: EU9

1,217.99 €

Stock: 40

Delivery Date: 16.07.2026

Warehouse: WH109

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Customer questions

FAQ

How much does the HDD Western Digital 20 TB Ultrastar DC HC555 cost, and is it available for purchase?

The price is 1,074.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 206 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Tomorrow at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

Can HDD Western Digital 20 TB Ultrastar DC HC555 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the HDD Western Digital 20 TB Ultrastar DC HC555 online, and the application process is as simple as possible:

Select the product on the website and add it to your cart;
When placing your order, choose the payment method “Installments”;
Fill in the required details for the lending partner;
Receive a decision within a few minutes.

For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Western Digital products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Western Digital service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: hdd capacity, hdd size, hdd speed, mean time between failures (mtbf), weight, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for HDD Western Digital 20 TB Ultrastar DC HC555?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

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