WD Purple Surveillance Storage offers exclusive AllFrame technology to bring you premium reliability and peace-of-mind when installing your home or small to medium business security system. WD Purple's exclusive firmware upgrades work with ATA streaming to reduce error pixilation and video interruptions that occur when desktop hard drives are incorrectly used as storage in security systems. WD Purple Surveillance Storage is built for 24/7, always-on, high-definition surveillance security systems that use up to eight hard drives and up to 32 cameras.
WD Purple Surveillance Storage offers exclusive AllFrame technology to bring you premium reliability and peace-of-mind when installing your home or small to medium business security system. WD Purple's exclusive firmware upgrades work with ATA streaming to reduce error pixilation and video interruptions that occur when desktop hard drives are incorrectly used as storage in security systems. WD Purple Surveillance Storage is built for 24/7, always-on, high-definition surveillance security systems that use up to eight hard drives and up to 32 cameras.
in 3 offers
The lowest price for WD Purple 4TB Surveillance Hard Disc Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 8.9cm - WD40PURX right now is $209.00 at PC Case Gear, compared across 3 retailers.
The all-time low was $112.92 on 22 Jan 2026 — today's price is 85% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 14 May 2026.
WD Purple 4TB Surveillance Hard Disc Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 8.9cm - WD40PURX
WD Purple Surveillance Storage offers exclusive AllFrame technology to bring you premium reliability and peace-of-mind when installing your home or small to medium business security system. WD Purple's exclusive firmware upgrades work with ATA streaming to reduce error pixilation and video interruptions that occur when desktop hard drives are incorrectly used as storage in security systems. WD Purple Surveillance Storage is built for 24/7, always-on, high-definition surveillance security systems that use up to eight hard drives and up to 32 cameras.
WD Purple Surveillance Storage offers exclusive AllFrame technology to bring you premium reliability and peace-of-mind when installing your home or small to medium business security system. WD Purple's exclusive firmware upgrades work with ATA streaming to reduce error pixilation and video interruptions that occur when desktop hard drives are incorrectly used as storage in security systems. WD Purple Surveillance Storage is built for 24/7, always-on, high-definition surveillance security systems that use up to eight hard drives and up to 32 cameras.
Last updated at 14/05/2026 08:36:55
Western Digital WD Purple WD40PURX 4TB
60-day returns
Surveillance/CCTV Hard Drive for DVR/NVR 4TB
Delivery between 19–27 May $15
Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB
Delivery between 19–23 May $14.02
| Compatibility Information | |
| Designed For | WD My Cloud EX2 WD My Cloud EX4 |
| Environmental Parameters | |
| Min Operating Temperature | 0 °C |
| Max Operating Temperature | 65 °C |
Western Digital WD Purple WD40PURX 4TB
60-day returns
Surveillance/CCTV Hard Drive for DVR/NVR 4TB
Delivery between 19–27 May $15
Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB
Delivery between 19–23 May $14.02
| Compatibility Information | |
| Designed For | WD My Cloud EX2 WD My Cloud EX4 |
| Environmental Parameters | |
| Min Operating Temperature | 0 °C |
| Max Operating Temperature | 65 °C |
