Latest generation Western Digital 'WD purple' range of hard drives are optimised for the harsh demands of a modern HD multi-camera surveillance system where they will be running 24 hours a day 7 days a week.
Latest generation Western Digital 'WD purple' range of hard drives are optimised for the harsh demands of a modern HD multi-camera surveillance system where they will be running 24 hours a day 7 days a week.
in 1 offers
The lowest price for Surveillance Hard Drive WD Purple SATA 3.5inch 4TB D5520 right now is $194.95 at Leading Edge Electronics Gladstone.
The all-time low was $166.10 on 22 June 2026 — today's price is 17% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 27 June 2026.
Surveillance Hard Drive WD Purple SATA 3.5inch 4TB D5520
Latest generation Western Digital 'WD purple' range of hard drives are optimised for the harsh demands of a modern HD multi-camera surveillance system where they will be running 24 hours a day 7 days a week.
Latest generation Western Digital 'WD purple' range of hard drives are optimised for the harsh demands of a modern HD multi-camera surveillance system where they will be running 24 hours a day 7 days a week.
Last updated at 27/06/2026 08:45:19
Surveillance Hard Drive WD Purple SATA 3.5inch 4TB D5520
Delivery $13.90
| Formatted capacity | 4 TB |
| Form factor | 3.5-inch |
| Advanced Format (AF) | Yes |
| Rotational speed (RPM) | 5400rpm |
| Height (in./mm, max) | 1.028/26.1 |
Surveillance Hard Drive WD Purple SATA 3.5inch 4TB D5520
Delivery $13.90
| Formatted capacity | 4 TB |
| Form factor | 3.5-inch |
| Advanced Format (AF) | Yes |
| Rotational speed (RPM) | 5400rpm |
| Height (in./mm, max) | 1.028/26.1 |
