# Hard Drive Western Digital HDD-WD43PURZ 4TB for Surveillance/NVR 24/7

**URL:** https://aio.lv/en/product--western-digital-hdd-wd43purz--12394346
**Data updated:** 2026-04-26 22:21 (EEST)
**Category:** Hard Disk Drives (HDD)
**Manufacturer:** Western Digital
**Manufacturer code:** HDD-WD43PURZ
**EAN:** 5902887083235
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Western Digital HDD-WD43PURZ is a 4TB surveillance-class hard drive designed for continuous 24/7 operation in DVR/NVR systems. Built for video recording workloads, it offers reliable sequential write performance, error recovery controls suited for RAID and multi-drive setups, and durability for long-term camera footage storage in security installations.

## Long description

Western Digital HDD-WD43PURZ 4TB for Surveillance/NVR 24/7 is a surveillance-class hard drive engineered for continuous video recording in DVR and NVR systems. It provides 4 TB of formatted capacity optimized for sustained sequential writes common to multi-camera recording, and includes firmware features that prioritize reliability and data integrity in always-on security environments.
Advantages
This drive is designed for 24/7 operation, offering consistent write performance for long-duration video streams and extended recording sessions. It incorporates error recovery controls appropriate for RAID and multi-drive setups, reducing the likelihood of drive dropouts in arrays. The mechanical design and firmware tuning focus on reliability and thermal management to handle the sustained workloads typical in surveillance applications.
Suitable for
 24/7 DVR and NVR systems recording multiple IP or analog cameras
 Small to medium security installations requiring continuous video retention
 RAID arrays in surveillance servers where predictable write behaviour is important
 Replacing or upgrading surveillance system drives to increase storage capacity
When it may not be suitable
This surveillance-class HDD is optimized for sequential write workloads and continuous recording; it may not be the best choice for desktop applications requiring frequent random reads/writes or for primary system drives where fast OS responsiveness is critical. It is also less appropriate for applications that demand the highest performance for large-scale database transactions or intensive random I/O.
Key specifications
 Capacity: 4 TB formatted storage suitable for multi-camera video recording
 Drive class: Surveillance-optimized for 24/7 operation
 Workload type: Sustained sequential write performance for video streams
 Reliability features: Firmware with error recovery controls for multi-drive/RAID environments
 Form factor and interface: 3.5-inch HDD with standard SATA interface (typical for surveillance installations)
How to use
Install the drive in a compatible DVR, NVR, or server bay designed for 3.5-inch SATA drives. Configure the recording system to recognize the new capacity and, if applicable, set up RAID according to your system requirements. For continuous recording, ensure adequate cooling and ventilation in the enclosure and follow the recorder manufacturer's recommended drive configuration and formatting procedures. Regularly check drive health using the recorder’s diagnostics or compatible monitoring tools.
What to consider before purchase
 Compatibility with your DVR/NVR or server (3.5-inch SATA bay and supported capacity)
 Intended workload—optimized for sequential video recording rather than random desktop I/O
 Cooling and physical installation space inside the recorder chassis
 Planned retention period and how 4 TB capacity meets your footage retention needs
Usage recommendations
For reliable operation, use this Western Digital surveillance drive in systems configured for continuous recording with proper airflow and temperature monitoring. When deploying multiple drives, follow the recorder vendor’s guidelines for RAID configuration and periodic health checks to maintain consistent video capture and long-term storage integrity.

## FAQ

### 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

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