# HDD Western Digital 4TB 3.5" SAS WD4001FYYG-RFB

**URL:** https://aio.lv/en/product--western-digital-wd4001fyyg-rfb--198963
**Data updated:** 2025-11-30 22:45 (EET)
**Category:** Hard Disk Drives (HDD)
**Manufacturer:** Western Digital
**Manufacturer code:** WD4001FYYG-RFB
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 149.49 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 123.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--western-digital-wd4001fyyg-rfb--198963

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

The Western Digital RE 4TB internal hard drive offers a high speed of 7200 RPM and a buffer size of 32 MB. Designed for reliability and performance, this 3.5" SAS drive is ideal for enterprise environments requiring robust storage solutions. With a capacity of 4 TB, it provides ample space for data-intensive applications and ensures quick access to your files.

## Long description

WD RE SAS Hard Drives are designed to provide high-capacity storage for SAS systems while maintaining enterprise-class performance and reliability. These drives include features that support continuous 24x7 operation in dense multi-drive environments where vibration and heavy workloads are common, ensuring data integrity and consistent throughput for business-critical applications.
Advantages
WD RE SAS drives combine large storage capacity with sustained performance and enhanced reliability features. They are optimized for use in multi-drive enclosures and servers, offering vibration tolerance, data integrity protections, and designs intended for continuous operation in demanding enterprise environments.
Key specifications
Interface: SAS (Serial Attached SCSI)
Optimized for: 24x7 enterprise use in multi-drive systems
Primary benefits: high capacity, sustained performance, enhanced reliability
Typical applications: business-critical storage, servers, and high-density arrays
How to use
Install WD RE SAS drives into SAS-compatible server or storage enclosures following the vendor's hardware and cabling guidelines. Configure RAID or controller settings according to system requirements and monitoring policies. Regularly monitor drive health and performance metrics and follow maintenance procedures recommended by the server or storage system manufacturer to ensure continuous operation.
Recommendations
Use WD RE SAS drives in enterprise-class storage arrays and servers where continuous operation, vibration tolerance, and data integrity are required. Implement appropriate RAID levels, monitoring, and backup strategies to protect business-critical data.

## Specifications

### Features

| Feature | Value |
|---|---|
| HDD capacity | 4000 GB |
| HDD size | 3.5 |
| HDD speed | 7200 |
| Mean time between failures (MTBF) | 1400000 h |
| Start/stop cycles | 600000 |
| SMART technology | Yes |
| Interface | SAS |
| Type | HDD |
| Storage drive buffer size | 32 MB |
| Average seek time | 20 ms |

### Operational conditions

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -40 - 70 |
| Operating temperature (T-T) | 5 - 55 |
| Operating shock | 30 G |
| Non-operating shock | 300 G |

### Other features

| Feature | Value |
|---|---|
| IntelliPower | No |
| Internal | Yes |
| Compliance industry standards | RoHS |
| Mac compatibility | Yes |
| Ethernet LAN | No |
| Data transfer rate | 6 Gbit/s |
| Product colour | Black |
| Fibre Channel | No |
| Compatible operating systems | Windows 7/8, Mac |
| Wi-Fi | No |
| Card reader integrated | No |
| eSATA | Yes |
| FireWire 400 | No |
| FireWire 800 | No |
| Windows operating systems supported | Windows 8 Enterprise, Windows 8, Windows 7 Ultimate x64, Windows 8 Pro, Windows 7 Ultimate, Windows 7 Starter x64, Windows 7 Starter, Windows 7 Professional x64, Windows 7 Professional, Windows 7 Home Premium x64, Windows 7 Home Premium |
| Mac operating systems supported | Y |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.75 kg |
| Height | 26.1 mm |
| Width | 101.6 mm |
| Depth | 147 mm |

### Power

| Feature | Value |
|---|---|
| Operating voltage | 5 V |
| Power consumption (idle) | 6.9 W |
| Power consumption (read) | 8.7 W |
| Power consumption (write) | 7.5 W |

### Packaging content

| Feature | Value |
|---|---|
| User guide | Yes |
| Storage drive adapter included | No |

### Logistics data

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

## FAQ

### How much does the HDD Western Digital 4TB WD4001FYYG-RFB cost, and is it available for purchase?

The price is 149.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 20.07.2026 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. All transactions are 100% secure and encrypted.

### 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, product colour, 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.

## Image

https://aio.lv/img/cache/product/198963/62628271_large.webp