WD PURPLE PRO WD221PURP 22TB, SATA III 3.5", 512MB 7200RPM, 265MB/s, CMR
Format:3.5"; Interface:internal Serial ATA III; Disc Type:HDD external; Buffer size (in MB):512
Particulars
WD Purple™ Pro Smart Video Hard Drive
- The WD Purple™ Pro HDD, with OptiNAND™ technology in 22TB1, delivers big capacity in a drive engineered for advanced, AI-enabled, always-on smart video recorders, appliances, and servers.
- Western Digital's exclusive AllFrame™ AI technology improves ATA streaming to help reduce frame loss and improve overall video playback.
- WD Purple™ Pro drives are optimized to handle up to 64 single-stream HD cameras2 as well as many of the latest smart cameras that transmit multiple streams.
- With a workload rating up to 550TB/year3, these drives are built to keep up with heavy video data capture and analysis.
- The reliable WD Purple™ Pro is engineered with an MTBF of up to 2.5 million hours4 for advanced smart video solutions that operate in 24/7 environments.
- Western Digital Device Analytics™ provides a wealth of storage device parametric operational and diagnostic data to compatible systems.
TECHNICAL SPECIFICATIONS
| Product Specifications | |
| Model number | WD221PURP | 
| Interface | SATA 6 Gb/s | 
| Formatted capacity | 22TB | 
| Form factor | 3.5-inch | 
| Advanced Format (AF) | Yes | 
| Recording Technology | CMR | 
| RoHS compliant | Yes | 
| Product Features | |
| Maximum drive bays supported | No Limit | 
| Camera Support | Up to 64 HD | 
| AI Streams | 32 | 
| Firmware Feature Name | AllFrame AI | 
| Tarnish resistant components | Yes | 
| Performance | |
| Interface transfer rate (max) Buffer to host | 6 Gb/s | 
| Interface transfer rate (max) Host to / from drive | 265 MB/s | 
| Cache (MB) | 512 MB | 
| RPM | 7200 | 
| Reliability/Data Integrity | |
| Load/unload cycles | 600 000 | 
| Annualized Workload Rate(TB/year) | Up to 550 TB/year | 
| MTBF (hours) | 2 500 000 | 
| Limited warranty (years) | 5 years | 
| Physical Dimensions | |
| Height (max) (in / mm) | 1.028 / 26.1 | 
| Length (max) (in / mm) | 5.787 / 147 | 
| Width (± .01 in.) (in / mm) | 4 / 101.6 | 
| Weight (± 3% ) (lb / kg) | 1.48 / 0.67 | 
Technical parameters
- Použití disku: Pro PC
- Format: 3.5"
- Interface: internal Serial ATA III
- SSD Kapacita (GB): 22 000
- Otáčky HDD: 7 200
- Disc Type: HDD external
- Buffer size (in MB): 512
- Chladič disku: Ne
