WD GOLD WD181KRYZ 18TB, SATA III 3.5", 512MB 7200RPM, 269MB/s, CMR, Enterprise
WD Gold HA750 - Congquering Tough Workloads With Enterprise-class WD Gold HDDs
Available in 1TB to 18TB capacities, this highly reliable solution for demanding storage environments provides up to 2.5M hours MTBF, vibration protection technology and a low power draw thanks to HelioSeal™ technology [for 12TB and above]. Specifically designed for use in enterprise-class storage systems and data centers, the WD Gold Enterprise Class SATA HDD delivers the world-class performance you expect from Western Digital® hard drives.
Beyond Expectations
WD Gold™ hard drives are performance-optimized for heavy application workloads, whether you need 1TB or 18TB. The WD Gold HDD’s wide capacity range solves for the most demanding storage environments.
Enhanced Reliability
With up to 2.5M hours MTBF, WD Gold™ hard drives deliver enhanced levels of dependability and durability. Built for yearly operation (24x7x365) within the most demanding storage environments.
A World-Class Performer
Delivering excellent service to any storage environment, WD Gold™ hard drives are designed to handle workloads up to 550TB per year – among the highest of any 3.5-inch hard drive.
Vibration Protection
WD Gold™ has sophisticated monitoring electronics that help correct linear and rotational vibrations in real time using enhanced vibration protection technology for improved performance in high-vibration environments.
Play Well with Others
Broadly compatible with most PC and major enterprise operating systems. Specifically designed for use in enterprise-class storage systems and data centers.
5-Year Limited Warranty
Every WD Gold™ HDD comes with a 5-year limited warranty, so you can be confident in your storage.
Features
- Take on tough workloads; up to 10 times the typical desktop rates
- Enhanced reliability with up to 2.5M hours MTBF
- Specifically designed for use in enterprise-class storage systems and data centers
TECHNICAL SPECIFICATIONS
| PRODUCT FEATURES | |
| Capacity | 18TB |
| Interface | SATA 6BG/s |
| Format: Sector size (bytes)** | 512e |
| Form Factor | 3.5-inch |
| RoHS Compliant*** | Yes |
| PERFORMANCE | |
| Data Trasnfer Rate‡ (max sustained) | 250 MB/s |
| Performance Class | 7200 RPM Class |
| Cache‡‡ | 512 MB |
| RELIABILITY | |
| MTBF (hours) | 2 500 000 |
| Annualized Failure Rate (AFR, %)‡‡‡ | 0,35 |
| Limited Warranty (years) | 5 |
| POWER MANAGEMENT | |
| Average Power Requirements (W) | |
| Operational | 6.5W |
| Idle | 5.6W |
| Power efficiency index (W/TB, idle) | 0.32 |
| ENVIRONMENTAL SPECIFICATIONS | |
| Operating Temperature | 5° to 60°C |
| Non-Operating Temperature | -40° to 70°C |
| Shock (Read/Write) Operating (half-sine wave, 2ms) | 50G/50G |
| Non-operating (half-sine wave, 2ms) | 250G |
| Acoustics (average) Idle Mode | 20 dBA |
| Seek Mode | 36 dBA |
| PHYSICAL DIMENSIONS | |
| Height (max) | 1.028 in. (26.1 mm) max |
| Lenght (max) | 5.787 in. (147.0 mm) max |
| Width (± .01 in.) | 4.0 in. (101.6 mm) ± .01 in. |
| Weight | 1.52 lb (.69 kg) +/- 10% |
*CAPACITY: One megabyte (MB) is equal to one million bytes, one gigabyte (GB) is equal to 1,000MB (one billion bytes), and one terabyte (TB) is equal to 1,000GB (one trillion bytes) when referring to storage capacity. Accessible capacity will vary from the stated capacity due to formatting, system software, and other factors.
**FORMAT: 512e: Advanced Format drive with 512-byte logical sectors and 4K (4096-byte) physical sectors; 512n: Native 512-byte logical and physical sectors
*** RoHS COMPLIANT: Western Digital hard drive products manufactured and sold worldwide after June 8, 2011, meet or exceed Restriction of Hazardous Substances (RoHS) compliance requirements as mandated by the RoHS Directive 2011/65/EU.
‡ DATA TRANSFER RATE: MB/s is 1,000,000 bytes
‡‡ CACHE BUFFER: Portion of buffer capacity used for drive firmware
‡‡‡ MTBF and AFR: Specifications are based on a sample population and are estimated by statistical measurements and acceleration algorithms under typical operating conditions for this drive model. MTBF and AFR ratings do not predict an individual drive’s reliability and do not constitute a warranty.
§ OPERATIONAL POWER: 8K Queue Depth = 1 @ 40 IOPS
§§ IDLE POWER: Based on use of Idle_A
§§§ Some models of Ultrastar are identical in form, fit and function to the respective WD Gold™ model. The only differences are limited to the brand, label and ID string as reported by the firmware. For these drives, any previously completed qualification of the equivalent Ultrastar™ models should not require a re-qualification."