# Hard Drive Western Digital Purple WD40PURZ 3.5" 4 TB SATA III 5400 RPM

**URL:** https://aio.lv/en/product--western-digital-wd40purz--4005942
**Data updated:** 2026-04-19 14:11 (EEST)
**Category:** Hard Disk Drives (HDD)
**Manufacturer:** Western Digital
**Manufacturer code:** WD40PURZ
**EAN:** 0718037856773
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 467.99 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 386.77 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--western-digital-wd40purz--4005942

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

Western Digital Purple WD40PURZ is a 3.5" HDD with 4 TB capacity, SATA III interface and 5400 RPM rotational speed. Designed for surveillance and continuous-write environments, it supports long-term recording and storage of video footage and large data volumes. Suitable for NVRs, DVRs, desktop storage and archive use.

## Long description

Western Digital Purple WD40PURZ is a 3.5" hard drive with 4 TB capacity, SATA III interface and 5400 RPM rotational speed, engineered for continuous-write surveillance environments. It is designed to store long-term video recordings and large volumes of data, and is suitable for use in NVRs, DVRs, desktop storage and archive systems.
Advantages
WD Purple drives are built for 24/7 operation in high-temperature environments and are optimized for surveillance workloads. The drive supports sustained recording rates appropriate for multi-camera systems and is designed for reliable video playback. Low power consumption and vibration-reducing IntelliSeek technology help maintain stable operation and reduce noise in always-on systems. Broad compatibility with common enclosures and chipsets simplifies integration into network video recorders.
Suitable for
Network Video Recorders (NVRs) and Digital Video Recorders (DVRs)
Multi-camera surveillance systems requiring continuous recording
Desktop storage for large media files and archives
Small business and home security setups with up to dozens of cameras
When it may not be suitable
The drive is purpose-built for surveillance and continuous-write workloads, so it may not be the best choice for applications requiring high sustained random I/O performance such as database servers or heavy transactional enterprise systems. Also, with a rotational speed of 5400 RPM, it provides lower peak throughput and higher latency compared with 7200 RPM drives or SSDs for latency-sensitive desktop tasks.
Key specifications
Form factor: 3.5 inch
Capacity: 4 TB
Interface: SATA III (6 Gb/s)
Rotational speed: 5400 RPM
Optimized workload: continuous surveillance recording
Designed for support of multi-camera systems
How to use
Install the drive into a compatible 3.5" bay in your NVR, DVR or desktop enclosure, connect via the SATA III interface and power connector, then initialize and format the drive according to your recorder or operating system instructions. Configure the NVR or DVR to use the drive for continuous video recording and set retention, overwrite and allocation settings based on available capacity and desired retention period. Ensure the enclosure provides adequate cooling for 24/7 operation.
What to consider before purchase
Compatibility with your NVR/DVR enclosure and supported chipset
Required capacity and expected retention period for recorded footage
Number of cameras and combined video bitrate the drive must support
Cooling and operating temperature conditions in the installation environment
Usage recommendations
For reliable continuous recording, use the drive in compatible surveillance recorders, monitor operating temperatures, and plan capacity and overwrite schedules based on camera count and bitrate. Consider RAID or multiple drives for redundancy and increased storage pool if retention or fault tolerance is required.

## Specifications

### Features

| Feature | Value |
|---|---|
| HDD capacity | 4000 GB |
| HDD size | 3.5 |
| HDD speed | 5400 |
| Start/stop cycles | 300000 |
| HDD interface transfer rate | 6 Gbit/s |
| HDD sustained transfer rate | 210 MiB/s |
| Component for | Surveillance system |
| Interface | Serial ATA III |
| Type | HDD |
| Storage drive buffer size | 64 MB |

### 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 |

### Technical details

| Feature | Value |
|---|---|
| Sustainability certificates | RoHS |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.65 kg |
| Height | 26.1 mm |
| Width | 101.6 mm |
| Depth | 147 mm |

### Power

| Feature | Value |
|---|---|
| Operating voltage | 5 V |

### Packaging content

| Feature | Value |
|---|---|
| Storage drive adapter included | No |

### Logistics data

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

## FAQ

### How much does the Western Digital Purple WD40PURZ 3.5" 4 TB HDD cost, and is it available for purchase?

The price is 467.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 13 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 17.07.2026 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. All transactions are 100% secure and encrypted.

### Can Western Digital Purple WD40PURZ 3.5" 4 TB 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.

## Image

https://aio.lv/img/cache/product/4005942/58677742_large.webp