| Model Number | WD260KFGX WD241KFGX WD240KFGX WD221KFGX WD202KFGX WD201KFGX WD181KFGX |
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| Formatted capacity 1 | 26TB 24TB 24TB 22TB 20TB 20TB 18TB |
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| Recording Technology | CMR CMR CMR CMR CMR CMR CMR |
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| 接口 | SATA SATA SATA SATA SATA SATA SATA |
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| Form factor | 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch |
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| Drive Technology | Helium Helium Helium Helium Helium Helium Helium |
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| RV Sensors | Yes Yes Yes Yes Yes Yes Yes |
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| Advanced Format (AF) | Yes Yes Yes Yes Yes Yes Yes |
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| Native Command queuing | Yes Yes Yes Yes Yes Yes Yes |
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| OptiNAND™ technology | Yes Yes Yes Yes Yes Yes No |
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| RoHS compliant2 | Yes Yes Yes Yes Yes Yes Yes 6Gb/s 6Gb/s 6Gb/s 6Gb/s 6Gb/s 6Gb/s 6Gb/s |
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| Internal transfer rate (max)3 | 287MB/s 287MB/s 287MB/s 265MB/s 285MB/s 268MB/s 272MB/s |
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| Cache (MB)1 | 512 512 512 512 512 512 512 |
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| RPM | 7200 7200 7200 7200 7200 7200 7200 |
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| Load/unload cycles 4 | 600,000 600,000 600,000 600,000 600,000 600,000 600,000 |
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| <1 in 10^15 | <1 in 10^15 <1 in 10^15 <1 in 10^15 <1 in 10^15 <1 in 10^15 <1 in 10^15 |
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| MTBF5 (hours) | 2,500,000 2,500,000 2,500,000 2,500,000 2,500,000 2,500,000 2,500,000 |
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| Workload rate 6 (TB/year) | 550 550 550 550 550 550 550 5 5 5 5 5 5 5 |
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| Read/Write | 6.0 6.0 6.4 6.8 6.1 6.9 6.1 |
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| Idle | 3.6 3.6 3.9 3.4 3.6 3.8 3.6 |
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| Standby/Sleep | 1.1 1.1 1.2 1.2 0.9 1.6 0.9 |
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| Operating | 5°C to 65°C 5°C to 65°C 0°C to 65°C 0°C to 65°C 0°C to 65°C 0°C to 65°C 0°C to 65°C |
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| Non-operating | -40°C to 70°C -40°C to 70°C -40°C to 70°C -40°C to 70°C -40°C to 70°C -40°C to 70°C -40°C to 70°C |
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| Operating (2 ms, read/write) | 40 40 40 40 50 30 50 |
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| Operating (2 ms, read) | 40 40 40 40 50 50 50 |
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| Non-operating (2 ms) | 200 200 200 200 250 250 250 |
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| Idle dBA | 25 25 20 20 20 20 20 |
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| Seek (average) dBA | 32 32 32 32 32 32 36 |
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| Country of Origin | TH TH TH TH TH TH TH |
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| Height (max) (in / mm) | 1.028 / 26.1 1.028 / 26.1 1.028 / 26.1 1.028 / 26.1 1.028 / 26.1 1.028 / 26.1 1.028 / 26.1 |
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| Length (max) (in / mm) | 5.787 / 147 5.787 / 147 5.787 / 147 5.787 / 147 5.787 / 147 5.787 / 147 5.787 / 147 |
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| Width (± .01 in.) (in / mm) | 4 / 101.6 4 / 101.6 4 / 101.6 4 / 101.6 4 / 101.6 4 / 101.6 4 / 101.6 |
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| Weight (± 3%) (lb / kg) | 1.47 / 0.67 1.47 / 0.67 1.48 / 0.67 1.48 / 0.67 1.52 / 0.69 1.52 / 0.69 1.52 / 0.69 |
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| Limited warranty7 (years) | 5 5 5 5 5 5 5 |
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| Power Management | 8 12VDC ±10% (A, peak) 2.04 2.08 2.00 1.79 2.00 1.79 1.9 Average Power (W) |
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| depending on operating environment. | measurements and acceleration algorithms under typical operating conditions, workload of 220TB/year This drive is in compliance with the European Union Directive 2011/65/EU and Directive (EU) 2015/863 on and drive temperature of 40C. Derating of MTBF will occur above these parameters, up to 550TB writes the restriction of the use of certain hazardous substances (RoHS) in electrical and electronic |
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| Controlled unload at ambient condition. | your hardware and software components and configurations. See http://support.wd.com/warranty for regional specific warranty details. Power measurements at room-ambient temperature. |
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| San Jose, CA 95119, USA | are registered trademarks or trademarks of Western Digital Corporation or its affiliates in the US and/or other countries. All other marks are the property of their respective owners. Product specifications subject to change without notice. Pictures shown may vary from actual products. January 2025 |
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