WD Ultrastar DC HC550 18TB SATA 6Gb/s Enterprise Hard Drive
The WD Ultrastar DC HC550 18TB is a high-capacity enterprise hard drive designed for data centers, cloud environments, enterprise servers, and demanding storage applications. With 18TB of storage capacity, it provides substantial space for large datasets, backups, archival storage, and enterprise workloads.
Built on a helium-filled platform, the drive uses Energy-Assisted Magnetic Recording (EAMR) and Triple Stage Actuator (TSA) technology to increase storage density and improve head-positioning accuracy. It operates at 7200 RPM, features a 512MB cache, and delivers transfer rates of up to 269MB/s. WD's HelioSeal design also helps improve power efficiency in high-capacity enterprise storage environments.
Specifications:
| Specification | Details |
|---|---|
| Brand | WD |
| Series | Ultrastar DC HC550 |
| Storage Capacity | 18TB |
| Drive Type | Enterprise Hard Disk Drive (HDD) |
| Form Factor | 3.5-inch |
| Interface | SATA 6Gb/s |
| Transfer Rate | Up to 269MB/s |
| Disk Speed | 7200 RPM |
| Cache | 512MB |
| Recording Technology | EAMR |
| Platform | Helium-filled |
| Technologies | HelioSeal, EAMR, Triple Stage Actuator (TSA) |
| Sector Format | 512e |
| Dimensions (L × W × H) | 147 × 101.6 × 26.1 mm |
| Weight | 690g |
| Operating Temperature | 5°C to 60°C |
| Non-Operating Temperature | -40°C to 70°C |
| Compatibility | Windows, Windows Server, Linux |
Key Features:
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18TB enterprise storage capacity
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SATA 6Gb/s interface
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7200 RPM performance
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Up to 269MB/s transfer rate
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512MB cache
-
EAMR recording technology
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Helium-filled HelioSeal design
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Triple Stage Actuator technology
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3.5-inch enterprise form factor
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Designed for data centers, cloud environments, servers, and enterprise storage systems
