The WD Purple WD33PURZ hard drive is engineered to meet the specific demands of surveillance systems. With a 3 TB capacity, it offers ample storage for high-definition video footage, ensuring that your security system never misses a critical moment. This hard drive is designed for continuous operation, making it a reliable choice for environments that require around-the-clock monitoring. Its 256 MB buffer size and 3.5" form factor make it a versatile and reliable component for your security setup. Whether you're looking to upgrade your existing surveillance system or setting up a new one, the WD Purple WD33PURZ provides the performance and capacity needed for peace of mind.