# Internal hard drive Western Digital Ultrastar Red Pro 18 TB 7200 RPM 512 MB 3.5" SATA

**URL:** https://aio.lv/en/product--western-digital-wd181kfgx--11239209
**Data updated:** 2026-03-11 12:02 (EET)
**Category:** Hard Disk Drives (HDD)
**Manufacturer:** Western Digital
**Manufacturer code:** WD181KFGX
**EAN:** 2000001081471
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 956.99 €
**Prices and availability valid until:** 2026-08-22 23:59
**Price without VAT (21%):** 790.90 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--western-digital-wd181kfgx--11239209

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.08.2026 | free |
| Pickup points | 11.08.2026 | 1.79 EUR |
| Courier delivery to door | 11.08.2026 | 4.99 EUR |

## Summary description

Western Digital Ultrastar Red Pro internal HDD with 18 TB capacity, 7200 RPM spindle speed and 512 MB cache. 3.5" form factor and Serial ATA interface make it suitable for NAS, RAID arrays and enterprise storage where high capacity and sustained performance are required. Designed for large-scale data storage, backup and archival use.

## Long description

Western Digital Ultrastar Red Pro 18 TB 7200 RPM 512 MB 3.5" SATA internal hard drive delivers high-capacity, sustained performance storage for NAS, RAID arrays and enterprise environments. With an 18 TB capacity, 7200 RPM spindle speed and a 512 MB cache, this 3.5-inch SATA drive is designed to handle continuous operation and heavy workloads typical of medium to large business storage systems. Embedded NASware™ 3.0 firmware and enterprise-grade mechanical design improve compatibility, reliability and performance in multi-bay NAS enclosures and RAID configurations where consistent data throughput and rebuild resilience are important.
Advantages
This Ultrastar Red Pro drive provides large single-drive capacity and a sizable cache to support sustained sequential and random I/O. NASware™ 3.0 firmware enhances integration with NAS systems, providing improved error recovery controls and compatibility for RAID and ZFS-style file systems. Mechanical features such as multi-axis shock sensors, dynamic fly height control and 3D Active Balance Plus reduce vibration, protect data during shock events and help maintain long-term reliability in multi-drive setups. The drive undergoes extended thermal and vibration testing to ensure stable operation in demanding 24x7 environments.
Suitable for
 Multi-bay NAS systems (including medium and large 24-bay enclosures)
 RAID arrays requiring high capacity and predictable rebuild behavior
 Enterprise backup, archiving and large-scale file sharing
 Virtualization hosts and storage pools needing sustained throughput
Key specifications
 Form factor: 3.5-inch
 Capacity: 18 TB
 Interface: Serial ATA (SATA)
 Rotational speed: 7200 RPM
 Buffer (cache): 512 MB
 Designed for 24x7 operation and high workload rates
 Firmware: NASware™ 3.0 with RAID/NAS-optimized error recovery
 Shock and vibration protection: multi-axis shock sensor and balance control
How to use
Install the 3.5" SATA Ultrastar Red Pro drive into a compatible NAS bay or server drive tray following the host enclosure manufacturer’s instructions. Connect power and SATA data cables (or insert into a hot-swap cage) and configure the drive within your NAS or RAID controller. When adding to RAID arrays or storage pools, follow recommended rebuild and resiliency procedures to ensure data integrity, and allow initial background operations such as SMART checks and drive integration to complete before placing heavy workloads on the array.
Usage recommendations
For optimal results, use this drive in enclosures that support vibration mitigation and sustained workloads. Enable NAS or RAID features provided by your storage system, monitor drive health via SMART and NAS management tools, and maintain regular backups. Avoid mixing drives of significantly different capacities or performance classes within the same RAID group to preserve rebuild predictability and overall array stability.

## Specifications

### Features

| Feature | Value |
|---|---|
| HDD capacity | 18000 GB |
| HDD size | 3.5 |
| HDD speed | 7200 |
| HDD interface transfer rate | 6 Gbit/s |
| Component for | NAS |
| Interface | Serial ATA |
| 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) | 0 - 65 |
| Operating shock | 30 G |
| Non-operating shock | 250 G |

### Other features

| Feature | Value |
|---|---|
| Compatible products | NAS |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.69 kg |
| Height | 26.1 mm |
| Width | 101.6 mm |
| Depth | 147 mm |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84717050 |

## FAQ

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

The price is 956.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 06.08.2026 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 Western Digital Ultrastar Red Pro 18 TB internal HDD 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, 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 Western Digital Ultrastar Red Pro 18 TB internal HDD?

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

https://aio.lv/img/cache/product/11239209/64546621_large.webp