Popis produktu
WD Red™ Pro NAS Hard Drive
- 3D Active Balance Plus - Our enhanced dual-plane balance control technology significantly improves the overall drive performance and reliability. Hard drives that are not properly balanced may cause excessive vibration and noise in a multi-drive system, reduce the hard drive life span, and degrade the performance over time.
- Error Recovery Prevention - Built specifically for RAID and NAS environments, WD Red™ Pro drives come equipped with error recovery controls as part of NASware™ 3.0 technology to help reduce drive fallout in RAID applications.
- Extended Drive Testing - A NAS environment that has up to 24 bays is very demanding on a hard drive with added vibration and heat. This is why every WD Red™ Pro drive is shipped with extended thermal cycle burn-in testing to help ensure each drive is tested for extended reliable operation.
- 5-Year Limited-warranty - As an industry-leading hard drive manufacturer, Western Digital stands behind WD Red™ Pro drives for NAS with a 5-year limited warranty.
- Boost Your NAS - WD Red™ drives are available in capacities up to 22TB1 utilizing the OptiNAND™ technology’s capacity-enabling feature.
- Helps Protect Your Data - The innovative ArmorCache™ feature (22TB only) offers power loss protection of your data in write-cache enabled (WCE) mode while increasing performance in write-cache disabled mode.
TECHNICAL SPECIFICATIONS
| Product Specifications | |
| Model number | WD221KFGX |
| Interface | SATA 6 Gb/s |
| Formatted capacity | 22TB |
| Form factor | 3.5-inch |
| Advanced Format (AF) | Yes |
| Recording Technology | CMR |
| RoHS compliant | Yes |
| Native Command queuing | Yes |
| OptiNAND™ technology | Yes |
| Performance | |
| Interface transfer rate (max) Interface speed | 6 Gb/s |
| Interface transfer rate | 265 MB/s |
| Cache (MB) | 512 MB |
| RPM | 7200 |
| Reliability/Data Integrity | |
| Load/unload cycles | 600 000 |
| MTBF (hours) | 1 000 000 |
| 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 |
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Parametry
Diskuse
Formát:
3.5"
Rozhraní:
interní Serial ATA III
Velikost bufferu (v MB):
512
Typ disku:
HDD externí
Použití disku:
Pro NAS
Chladič disku:
Ne
HDD Kapacita (GB):
22000
Otáčky HDD:
7200
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