Western Digital WD Ultrastar 18TB 3.5′ Enterprise HDD SAS 512MB 7200RPM 512E TCG P3 DC HC550 24×7 Server 2.5mil hrs MTBF 5yrs


Western Digital WD Ultrastar 18TB 3.5′ Enterprise HDD SAS 512MB 7200RPM 512E TCG P3 DC HC550 24×7 Server 2.5mil hrs MTBF 5yrs

Availability: Out of stock SKU: 0F38352

$1,086.64 (inc. of GST)

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Western Digital WD Ultrastar 18TB 3.5′ Enterprise HDD SAS

Availability: Out of stock


Delivering highly dependable performance to any storage environment, Ultrastar hard drives are designed for demanding workloads (up to 550TB per year), 10 times the workload rating of desktop drives. Ultrastar drives employ advanced technologies for enterprise-class reliability and power efficiency, to deliver a lower total cost of ownership, so you can safeguard more of your valuable data. The Ultrastar family delivers a long-standing tradition of reliability with an unbeaten 5-year limited warranty. Western Digital is dedicated to providing a complete portfolio of hard drives to create environments for your data to thrive

Applications and Workloads

  • Cloud applications and distributed file systems like Apache Hadoop® to support Big Data analytics
  • Bulk storage using Object storage solutions like Ceph™ and OpenStack Swift
  • Direct & Network Attached Storage (DAS & NAS), RAID storage
  • Industrial or Surveillance Applications

Get More From Your Data

Everywhere data lives, from sensors and mobile devices to the cloud, we’re driving the innovation necessary to help you capture, preserve, and access that data so you can unlock its full potential. Our breadth of expertise and level of integration give us an unmatched ability to deliver carefully calibrated solutions for every type and use of your data.

What’s in it for you?

  • Our most popular Ultrastar SATA models
  • Common Hardware & Firmware to minimize redundant testing needs
  • Advanced Format 512e models
  • Self-encrypting drive options
  • Advanced technology design supports enterprise-class reliability and power efficiency
Device Type
  • Hard drive - internal
  • 18 TB
Hardware Encryption
  • Yes
Form Factor
  • 3.5"
  • SAS 12Gb/s
Buffer Size
  • 512 MB
  • Rotational Vibration Safeguard (RVS),HelioSeal,Conventional magnetic recording (CMR), Sanitize Cryptographic Erase support, Media Cache Plus, Sanitize Cryptographic Scramble support, Two-Dimensional Magnetic Recording (TDMR), Energy-Assisted Magnetic Recording (EAMR), Triple State Actuator (TSA)
  • 4 in
  • 5.8 in
  • 1 in
  • 24.34 oz
Drive Transfer Rate
  • 1.2 GBps (external)
Internal Data Rate
  • 262 MBps
Average Latency
  • 4.16 ms
Spindle Speed
  • 7200 rpm
  • 2,500,000 hours
24x7 Operation
  • Yes
Non-Recoverable Errors
  • 1 per 10^15
Load / Unload Cycles
  • 600,000
Expansion & Connectivity
  • 1 x SAS 12 Gb/s
Compatible Bay
  • 3.5"
Power Consumption
  • 8.8 Watt (typical) | 5.8 Watt (idle)
Manufacturer Warranty
Service & Support
  • Limited warranty - 5 years
Environmental Parameters
Min Operating Temperature
  • 41 °F
Max Operating Temperature
  • 140 °F
Min Storage Temperature
  • -40 °F
Max Storage Temperature
  • 158 °F
Shock Tolerance (operating)
  • 50 g @ 2 ms half-sine wave
Shock Tolerance (non-operating)
  • 250 g @ 2 ms half-sine wave
Vibration Tolerance (operating)
  • 0.67 g @ 5-500 Hz
Vibration Tolerance (non-operating)
  • 1.04 g @ 2-200 Hz