SKU#: WD221PURP
Availability: Limited Availability
Condition: New
Category: Storage & Backup
Sub Category: Internal Hard Drives
Weight: 1.4771 lb
Standard ground shipping delivery: 5–8 business days.
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Western Digital WD221PURP is a 22 TB SATA III 3.5-inch hard drive for surveillance system. It spins at 7200 RPM, has a 6 Gbit/s interface rate, has a 512 MB buffer and is rated for 2500000 h MTBF. The WD Purple Pro HDD, with OptiNAND technology in 22TB, delivers big capacity in an enterprise-class drive for video analytics servers, AI, and deep learning systems to enable data-driven outcomes. Western Digital's exclusive AllFrame AI technology AllFrame AI technology supports up to 32 AI streams for deep learning analytics within the system while reducing frame drops.
| Component for | Surveillance system |
|---|---|
| HDD interface transfer rate | 6 Gbit/s |
| Workload rate limit | 550 TB/year |
| RAID levels | JBOD |
| Mean time between failures (MTBF) | 2500000 h |
| Start/stop cycles | 600000 |
| Hot-swap | No |
| HDD speed | 7200 RPM |
| HDD size | 3.5" |
| HDD capacity | 22 TB |
| Type | HDD |
| Interface | Serial ATA III |
| Storage drive buffer size | 512 MB |
| Advanced Format (AF) | Yes |
| 24/7 operation | Yes |
| Noise level (idle) | 20 dB |
| Power consumption (standby) | 1.2 W |
| Power consumption (idle) | 5.6 W |
| Operating temperature (T-T) | 0 - 65 deg C |
| Storage temperature (T-T) | -40 - 70 deg C |
| Operating shock | 40 G |
| Non-operating shock | 200 G |
| Compliance certificates | RoHS |
| Width | 4" (101.6 mm) |
| Weight | 23.6 oz (670 g) |
| Height | 1.03" (26.1 mm) |
| Depth | 5.79" (147 mm) |
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