Choose WD Purple for surveillance systems and WD Red for home office or business NAS systems, considering the need for always-on support.

Both WD Purple and WD Red drives are compatible with always-on systems, but some WD Red drives are not suitable for systems with idle time. Designed for a different purpose, the WD Red doesn’t come in capacities lower than 250GB. In fact, 250GB is the lowest capacity found in the WD Red SN700 NVMe SSD. This drive’s maximum capacity is 4TB.Western Digital offers the Purple and Red drives in capacities of up to 22TB. However, you don’t have to spend a fortune for the highest capacity. The WD Purple lineup comprises a series of hard drives and microSDs developed for single to multi-camera video surveillance systems. Since your NAS system is always on, a reliable drive is essential. WD Red Plus hard drives are designed for systems that operate 24x7, giving users the confidence of knowing they can reliably access their data. Based on read speed. 1 MB/s = 1 million bytes per second. Based on internal testing; performance may vary depending upon host device, usage conditions, drive capacity, and other factors.

Like all WD Purple solutions, the card can handle always-on surveillance systems. In compatible cameras, a card health function alerts you when it’s time to service it, preventing the loss of data. Western Digital is a popular computer drive manufacturer and data storage company headquartered in San Jose, California. The brand is best known for its color-coded data storage solutions catering to every need, from everyday light computing storage to heavy-duty enterprise applications. Each color is developed for a specific purpose, and things are no different when it comes to the WD Purple and the WD Red. The WD Red SA500 NAS SATA SSD also has a maximum capacity of 4TB, but the lowest option is 500GB. As far as the WD Red HDDs are concerned, their capacities vary from 1TB in the Plus version to 22GB in the Pro variant. Support The main difference between WD Purple and WD Red is their purpose: Purple is designed for video surveillance systems, while Red is designed for NAS systems. In addition to these hard drives, the WD Red lineup includes two SSDs. One is developed for SATA interfaces that require improved responsiveness and reduced latency for demanding applications. The other has an NVMe interface and provides exceptional I/O performance. Capacity

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Each lineup includes drives of various capacities, from as low as 32GB (WD Purple) to as much as 2TB (WD Purple and WD Red). The WD Red lineup comprises a series of HDD and SDD drives developed for NAS systems. This lineup includes solutions for offices and businesses of all sizes. The WD Red Plus HDDs have different storage capacities than the WD Red. They also have a slightly higher transfer speed and support always-on NAS systems. The WD Red HDDs are more suitable for systems that get some idle time.

It is important to choose a drive purpose-built for RAID-optimized NAS systems to ensure optimum performance and preserve your valuable data. Take the following into consideration when choosing a hard drive for your NAS: The WD Purple and Red lineups include several types of storage drives. Let’s see how they compare to one another. WD PurpleAs an industry-leading hard drive manufacturer, Western Digital stands behind their NAS storage solutions with the assurance of a 3-year limited warranty and world-class support services for hassle free data storage. Another difference between the WD Purple and the WD Red is each solution’s support for 24/7 systems. Since all WD Purple drives are designed for surveillance cameras, they all support always-on systems. This is true for both HDDs and microSDs.