Description
WD Ultrastar DC HC550 – 18TB
Specifications
| Model Number | 0F38459 |
|---|---|
| Capacity | 18 TB |
| Form Factor | 3.5‑Inch |
| Interface | SATA – 6 Gb/s |
| Rotational Speed | 7 200 RPM |
| Recording Technology | EAMR (Energy-Assisted Magnetic Recording) |
| Cache Size | 512 MB |
| Sustained Transfer Rate | up to 269 MB/s |
| Security | SE (Self‑Encrypting) SATA |
| Warranty | 5‑Year Limited |
| Dimensions (L × W × H) | 147 mm × 101.6 mm × 26.1 mm |
| Weight | 690 g |
| Operating Temp. | 5 °C to 60 °C |
| Non‑Operating Temp. | −40 °C to 70 °C |
| Certifications | BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB, TUV, UL |
| Features | • Industry-first EAMR and Triple‑Stage Actuator (TSA) • 6th‑gen HelioSeal helium-sealed design • Media Cache Plus architecture • OptiNAND & ArmorCache power-loss protection • RSA-signed firmware, Rotational Vibration Safeguard |
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