Western Digital 4TB WD Purple Surveillance Hard Drive (WD42PURZ)
The WD Purple 4TB (WD42PURZ) hard drive by Western Digital is engineered specifically for 24/7 surveillance systems. Designed to withstand continuous operation and harsh environments, it ensures reliable high-definition video recording without interruptions.
Key Applications
- DVR and NVR surveillance systems.
- Supports up to 64 HD cameras.
- Suitable for environments with high vibrations and temperatures.
Usage Warnings
- Not intended for general-purpose storage or personal computers.
- Recommended for surveillance systems to ensure optimal performance.
Technical Specifications
Capacity |
4TB |
Interface |
SATA 6 Gb/s |
Speed |
5400 RPM |
Cache |
256MB |
Data Transfer Rate |
Up to 175 MB/s |
Annual Workload Rate |
Up to 180 TB/year |
MTBF |
Up to 1 million hours |
Dimensions |
147 × 101.6 × 26.1 mm |
Weight |
0.45 kg |
Shipping & Delivery
All estimated shipping times are in addition to fulfillment times, We offer a next working day delivery for orders placed before 6:30 p.m. Monday to Friday. Orders placed after this will be delivered within two working days. This excludes Saturday, Sunday and holidays. Appointed is not responsible for any customs/duties related to international orders. We are unable to calculate charges prior to your order being delivered, and recommend checking with your local customs office for more information. Shipping fees will not be refunded if you refuse these charges.

- Free destination delivery above $100
- Europe 1 – 3 days Free
- United States 4 – 6 days Free
- Asia 3 – 6 days Free
- Africa 5 – 7 days Free
- Australia 3 – 5 days Free
Returns & Refunds
We have a 14-day return policy, which means you have 14 days after receiving your item to request a return, To be eligible for a return, your item must be in the same condition that you received it, unused, and in its original packaging. You’ll also need the order confirmation, order number, or proof of purchase. We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.
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