| Units per shipping box: | 20 |
| Summary: | Western Digital Red Pro . HDD capacity: 22 TB, HDD speed: 7200 RPM, Storage drive buffer size: 512 MB, HDD size: 3.5", Interface: Serial ATA III |
| Unit box height: | 0.105 |
| Units per pallet: | Nav |
| Weight: | 670 |
| Interface: | Serial ATA III |
| Type: | HDD |
| Unit calculated volume: | 0.001463 |
| Depth: | 147 |
| Compliance certificates: | RoHS |
| 24/7 operation: | Jā |
| Unit box length: | 0.15 |
| Advanced format (af): | Jā |
| Unit box width: | 0.03 |
| Unit calculated weight: | 0.7 |
| Component for: | NAS |
| Error recovery control (erc): | Jā |
| Hdd family name: | Red Pro |
| Hdd capacity: | 22000 |
| Height: | 26.1 |
| Hdd interface transfer rate: | 6 |
| Model: | WD221KFGX |
| Hdd size: | 3.5 |
| Hdd speed: | 7200 |
| Hot-swap: | No |
| Vendor homepage: | https://www.westerndigital.com/en-gb/products/internal-drives/wd-red-pro-sata-hdd |
| Description: | WD Redā„¢ Pro NAS HDD. For the Demands of Big Business. Designed specifically with medium or large scale business customers in mind, WD Redā„¢ Pro NAS HDDs are available for up to 24-bay NAS systems. Engineered to handle high-intensity workloads in 24x7 environments, WD Redā„¢ Pro is ideal for archiving and sharing, as well as RAID array rebuilding on extended operating systems such as ZFS or other file systems. These drives add value to your business by enabling your employees to quickly share their files and back-up folders reliably in your NAS solution.
Exclusive NASware™ 3.0 Technology Our exclusive advanced firmware technology, NASware™ 3.0, enables seamless integration, robust data protection and optimal performance for NAS systems operating under heavy demand. Built into every WD Red™ Pro hard drive, NASware 3.0’s advanced technology improves storage performance by increasing compatibility, integration, upgradeability, and reliability.
Built for Optimum N |
| Harmonized system (hs) code: | 84717050 |
| Quantity per pack: | 1 |
| Native command queuing (ncq): | Jā |
| Noise level (idle): | 20 |
| Shock sensor: | Jā |
| Start/stop cycles: | 600000 |
| Storage drive buffer size: | 512 |
| Workload rate limit: | 300 |
| Power consumption (idle): | 3.4 |
| Power consumption (standby): | 1.2 |
| Non-operating shock: | 200 |
| Operating shock: | 40 |
| Operating temperature (t-t): | 0 - 65 |
| Storage temperature (t-t): | -40 - 70 |
| Width: | 101.6 |
| Mean time between failures (mtbf): | 1000000 |