WD Ultrastar DC HC550 - WUH721818ALE6L4 - 18TB 7200RPM 512MB Cache SATA III 3.5in Enterprise
Enterprise WD Ultrastar DC HC550 18TB HDD (WUH721818ALE6L4) — 7200 RPM, 512MB cache, SATA III 6Gb/s, 3.5-inch form factor, designed for servers and data centers.
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| Storage (SSD & HDD) - Type | HDD |
|---|---|
| Storage (SSD & HDD) - Interface | SATA III 6Gb/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 | Enterprise |
Western Digital Ultrastar DC HC550. HDD capacity: 18 TB. HDD speed: 7200 RPM. Storage drive buffer size: 512 MB. HDD size: 3.5". Interface: Serial ATA III
| HDD capacity | 18 TB |
| HDD speed | 7200 RPM |
| Storage drive buffer size | 512 MB |
| HDD size | 3.5" |
| Interface | Serial ATA III |
| Type | HDD |
| Component for | Server/workstation |
| HDD interface transfer rate | 6 Gbit/s |
| Average latency | 4.16 ms |
| Feature | Manual |
| Start/stop cycles | 600000 |
| Workload rate limit | 550 TB/year |
| Noise level (idle) | 2 dB |
| Mean time between failures (MTBF) | 2500000 h |
| Power consumption (read) | 8.8 W |
| Power consumption (write) | 8.8 W |
| Power consumption (idle) | 5.8 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 |
| Quantity per pack | 1 pc(s) |
| Harmonized System (HS) code | 84717050 |