Description
WD Ultrastar DC HC570 – 22TB
Specifications
| Model Number (SED) | 0F48154 |
|---|---|
| Capacity | 22 TB |
| Form Factor | 3.5‑Inch |
| Interface | SATA: 6 Gb/s |
| Recording Technology | CMR |
| Data Buffer | 512 MB |
| Rotational Speed | 7 200 RPM |
| Latency (average) | 4.16 ms |
| Interface Transfer Rate (max) | 600 MB/s |
| Sustained Transfer Rate | 291 MB/s (≈ 277 MiB/s) |
| Random Read IOPS (4 KB, QD=32) | 212 |
| Random Write IOPS (4 KB, QD=32, WCE/WCD) | 565 / 565 |
| Error Rate (non‑recoverable) | 1 in 10¹⁵ bits read |
| Load/Unload Cycles (40 °C) | 600 000 |
| Availability | 24×7 |
| MTBF | 2.5 million hours (projected) |
| Annualized Failure Rate | 0.35 % |
| Warranty | 5‑Year Limited |
| Power – Random Read/Write @4 KB QD=4 | 9.3 W |
| Idle Power | 5.7 W |
| Power Efficiency (Idle) | 0.26 W/TB |
| Acoustics (Idle/Operating) | 2.0 / 3.2 Bels |
| Operating Temp. | 5 °C to 60 °C |
| Non‑Operating Temp. | −40 °C to 70 °C |
| Shock (Operating) | 40 G, 2 ms half‑sine |
| Shock (Non‑Operating) | 200 G, 2 ms half‑sine |
| Vibration – Operating | 0.7 G RMS (5–500 Hz) |
| Vibration – Non‑Operating | 1.04 G RMS (2–200 Hz) |
| Features | • 10‑disk CMR platform • OptiNAND™ with ArmorCache™ power-loss protection • HelioSeal helium-filled design • ePMR, triple-stage actuator, embedded flash backup • Self-Encrypting Drive options (SED) |
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