# HDD Western Digital 18 TB 3.5" SAS3 Ultrastar DC HC555

**URL:** https://aio.lv/en/product--western-digital-0b47747--11161042
**Data updated:** 2025-12-30 18:26 (EET)
**Category:** Hard Disk Drives (HDD)
**Manufacturer:** Western Digital
**Manufacturer code:** 0B47747
**EAN:** 0829686009356
**Warranty:** 5 Years
**Availability:** Available for order
**Price:** 879.99 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 727.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--western-digital-0b47747--11161042

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Tomorrow | free |
| Pickup points | 25.06.2026 | 1.99 EUR |
| Courier delivery to door | 25.06.2026 | 4.99 EUR |

## Summary description

The Western Digital Ultrastar DC HC555 is an internal hard drive with a capacity of 18 TB and a speed of 7200 RPM. It features a 512 MB buffer and a 3.5" form factor, utilizing the SAS3 interface for high performance and reliability. Ideal for data centers and enterprise applications, this HDD offers robust storage solutions for demanding workloads.

## Long description

The Western Digital Ultrastar DC HC555 18 TB 3.5" SAS3 hard drive is designed for 24×7 multi-user data center environments, offering high capacity, enterprise-grade performance and proven reliability. Built with energy-assisted PMR (ePMR), Triple-Stage Actuator (TSA) and HelioSeal® helium technology, this 7200 RPM drive delivers large storage density while maintaining low power consumption and compatibility with existing data center hardware.
Advantages
This Ultrastar HC555 model provides high capacity in a 3.5" form factor with a 512 MB buffer and SAS3 interface for sustained throughput. ePMR technology enables improved $/TB and lower operating costs, TSA increases tracks-per-inch for higher density with efficient power usage, and HelioSeal® reduces internal turbulence to lower power draw. Built on a platform with field-proven components and rated for a 2.5 million-hour MTBF, the drive offers predictable reliability and simplified integration into existing systems.
Suitable for
Enterprise data centers handling 24×7 multi-user workloads
High-capacity archival and nearline storage
Software-defined storage and scale-out storage systems
Database servers and virtualization hosts requiring durable, high-density drives
Key specifications
Capacity: 18 TB (18,000 GB)
Form factor: 3.5"
Interface: SAS3
Rotational speed: 7200 RPM
Cache: 512 MB
MTBF: 2,500,000 hours
Weight: 0.679 kg
Manufacturer part number (MPN): 0B47747
EAN: 0829686009356
How to use
Install the drive into a supported 3.5" bay or drive tray in a server or storage enclosure that supports SAS3 interfaces. Follow the enclosure or system manufacturer's instructions for hot-swap handling, cabling and firmware updates. After physical installation, initialize and format the drive according to your operating system or storage controller requirements, then integrate it into arrays or storage pools as needed for your workload.
Usage recommendations
For optimal reliability and performance, deploy the drive in systems designed for enterprise SAS drives, ensure adequate cooling and vibration control in the enclosure, and use regular monitoring to track SMART attributes and health status. Use established qualification procedures when replacing or adding drives to production environments.

## Specifications

### Features

| Feature | Value |
|---|---|
| HDD capacity | 18000 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 | 257 MiB/s |
| Component for | Server/workstation |
| HDD average transfer rate | 269 MB/s |
| Interface | SAS3 |
| Type | HDD |
| Storage drive buffer size | 512 MB |
| 24/7 operation | Yes |

### Operational conditions

| Feature | Value |
|---|---|
| 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

| Feature | Value |
|---|---|
| Warranty period | 5 year(s) |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.679 kg |
| Height | 26.1 mm |
| Width | 101.6 mm |
| Depth | 147 mm |

### Power

| Feature | Value |
|---|---|
| Power consumption (typical) | 8.8 W |
| Operating voltage | 5 V |
| Power consumption (idle) | 5.4 W |

## FAQ

### How much does the HDD Western Digital 18 TB Ultrastar DC HC555 cost, and is it available for purchase?

The price is 879.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 286 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 18 TB Ultrastar DC HC555 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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. More information about warranty service: https://aio.lv/en/warranty

### 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 18 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.

## Image

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