The WD Purple 4TB SATA HDD is an internal hard drive specifically designed for surveillance applications. With a storage capacity of 4 terabytes, it provides ample space for storing video data and other important information. The hard drive utilizes the SATA interface, which allows for fast data transfer, and is equipped with a 128 MB cache that enhances performance during data processing. This HDD is optimized for continuous operation and is ideal for use in surveillance systems where reliability and continuous access to data are crucial. The WD Purple series is known for its durability and efficiency, making it a preferred choice for security applications.
Scope of application | Surveillance |
Interface | SATA |
Interface version | SATA III |
Cache | 128 MB |
Sustained Speed HDD | 175 MB/s |
Max. Speed | 5400 RPM |
Storage Technology | CMR |
Item number | 64940448 |
Manufacturer | WD |
Category | Hard drives |
Manufacturer No. | WD44PURZ |
Release date | 25.11.2025 |
Sales rank in Category Hard drives | 7 of 2876 |
Scope of application | Surveillance |
Interface | SATA |
Interface version | SATA III |
Form factor | 3.5" |
Storage capacity | 4 TB |
Cache | 128 MB |
Sustained Speed HDD | 175 MB/s |
Max. Speed | 5400 RPM |
Storage Technology | CMR |
Max. Workload Rate | 180 TB/J |
MTBF | 1000000 h |
Maximum operating temperature | 65 °C |
Max. noise level | 26 dB |
Power consumption | 4.60 W |
Power consumption (standby) | 0.30 W |
Country of origin | Malaysia |
Manufacturer commitment | SBTi |
CO₂ emissions | 200 kg |
Climate contribution | CHF 4.76 |
Scope of delivery | HDD |
Length | 14.70 cm |
Width | 10.16 cm |
Height | 2.61 cm |
Weight | 550 g |
Length | 21 cm |
Width | 15 cm |
Height | 7.60 cm |
Weight | 615 g |
How often does a product of this brand in the «Hard drives» category have a defect within the first 24 months?
Source: Digitec GalaxusHow many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec GalaxusHow often is a product of this brand in the «Hard drives» category returned?
Source: Digitec Galaxus
On the outside, especially in terms of workmanship, WD does a good job with all four series. There is absolutely nothing to complain about, as befits a precision component like a hard drive. In terms of noise and temperature emissions, the WD Blue and WD Purple score best, which is due to the lowered spindle speed of 5,400 rpm...