# HDD Western Digital 18 TB 3.5" Serial ATA III Ultrastar DC HC555

**URL:** https://aio.lv/en/product--western-digital-0b48723--11164131
**Data updated:** 2025-12-30 18:27 (EET)
**Category:** Hard Disk Drives (HDD)
**Manufacturer:** Western Digital
**Manufacturer code:** 0B48723
**EAN:** 0829686009509
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 843.49 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 697.10 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--western-digital-0b48723--11164131

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 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 a Serial ATA III interface. This drive is designed for high-performance storage solutions, making it ideal for data centers and enterprise applications. With its large capacity and fast data access speeds, it ensures efficient data management and reliability for demanding workloads.

## Long description

Western Digital Ultrastar DC HC555 18 TB is a 3.5" SATA III internal hard drive designed for 24×7 multi-user data center and enterprise environments. With 18 TB capacity, 7200 RPM spindle speed and a 512 MB buffer, the drive uses proven Ultrastar hardware platforms, Triple-Stage Actuator (TSA) and HelioSeal® helium technology to deliver high density, low power consumption and dependable performance for intensive workloads.
Advantages
The HC555 combines field-proven components and modern technologies such as energy-assisted perpendicular magnetic recording (ePMR) and TSA to increase tracks-per-inch and enable higher capacities while keeping power use low. HelioSeal reduces internal turbulence and contributes to one of the lowest power profiles in its class. Built on a widely deployed Ultrastar platform, the drive offers rapid qualification and integration for existing systems and a projected MTBF of 2,500,000 hours for reliable operation.
Suitable for
Enterprise data center storage
High-density archival and nearline storage
Multi-user 24×7 workloads
Backup, large-scale file repositories and object storage
Key specifications
Model: Ultrastar DC HC555 (MPN 0B48723, EAN 0829686009509)
Capacity: 18,000 GB (18 TB)
Form factor: 3.5"
Interface: Serial ATA III
Spindle speed: 7200 RPM
Buffer: 512 MB
MTBF: 2,500,000 hours
Weight: 0.679 kg
How to use
Install the Ultrastar DC HC555 into a compatible 3.5" drive bay or server chassis with a SATA III connection, secure the drive mechanically, and connect power and data cables. Follow your server or storage system vendor instructions for RAID configuration, drive initialization and firmware updates. For best results, integrate the drive into systems that support high-density helium drives and ensure proper cooling and vibration management within the chassis.
Usage recommendations
Use the HC555 in enterprise storage arrays, nearline or archival systems where high capacity, continuous operation and low power per TB are priorities. Provision appropriate cooling, monitor vibration in high-density enclosures, and apply vendor-recommended firmware and maintenance procedures to maintain reliability.

## 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 | 6 Gbit/s |
| HDD sustained transfer rate | 257 MiB/s |
| Component for | Server/workstation |
| HDD average transfer rate | 269 MB/s |
| Interface | Serial ATA III |
| 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) | 6.4 W |
| Operating voltage | 5 V |
| Power consumption (idle) | 5.3 W |

## FAQ

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

The price is 843.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 103 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 03.07.2026 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: 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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