WD Ultrastar DC HC555 - 20TB 3.5-inch SAS3 (12Gb/s) 7200RPM 512MB Cache - Enterprise/Data Center HDD
Enterprise 20TB WD Ultrastar DC HC555 3.5-inch SAS3 (12Gb/s) HDD — 7200 RPM, 512 MB cache, ~285 MB/s average transfer, 24/7 operation, 5-year warranty.
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| Storage (SSD & HDD) - Type | HDD |
|---|---|
| Storage (SSD & HDD) - Capacity | 20TB |
| Storage (SSD & HDD) - Interface | SAS 12Gb/s |
| Storage (SSD & HDD) - Form Factor | 3.5inch |
| Storage (SSD & HDD) - RPM (HDD) | 7200 RPM |
| Storage (SSD & HDD) - Cache (HDD) | 512MB |
| Storage (SSD & HDD) - Intended Use | Data Center |
Western Digital Ultrastar DC HC555. HDD capacity: 20 TB. HDD speed: 7200 RPM. Storage drive buffer size: 512 MB. HDD size: 3.5". Interface: SAS3
| HDD capacity | 20 TB |
| HDD speed | 7200 RPM |
| Storage drive buffer size | 512 MB |
| HDD size | 3.5" |
| Interface | SAS3 |
| Type | HDD |
| Component for | Server/workstation |
| HDD interface transfer rate | 12 Gbit/s |
| HDD sustained transfer rate | 272 MiB/s |
| HDD average transfer rate | 285 MB/s |
| Average latency | 4.16 ms |
| Feature | 24/7 operation |
| Start/stop cycles | 600000 |
| Mean time between failures (MTBF) | 2500000 h |
| Power consumption (typical) | 9.2 W |
| Power consumption (idle) | 5.7 W |
| Operating voltage | 5 / 12 V |
| Operating temperature (T-T) | 5 - 60 °C |
| Storage temperature (T-T) | -40 - 70 °C |
| Operating vibration | 0.67 G |
| Non-operating vibration | 1.04 G |
| Operating shock | 50 G |
| Non-operating shock | 250 G |
| Width | 101.6 mm |
| Height | 26.1 mm |
| Depth | 147 mm |
| Weight | 690 g |
| Warranty period | 5 year(s) |