Brand: Western Digital · SKU: WUH721818AL5201 · MPN: 0F38352 · Category: Storage
The Western Digital Ultrastar DC HC550 WUH721818AL5201 is a high-capacity 18TB enterprise-class hard drive designed for demanding data center environments. As part of the HC550 series, it utilizes the 6th generation HelioSeal technology to provide superior power efficiency and reliability. It is among the first in the industry to harness Energy-Assisted Magnetic Recording (EAMR) and a Triple Stage Actuator (TSA), which together enhance head-positioning accuracy and increase areal density. Featuring a SAS 12Gb/s interface, 7200 RPM spindle speed, and a 512MB cache, this drive is optimized for high-density storage, bulk storage, and cloud applications. It also includes Self-Encrypting Drive (SED) features for enhanced data security.
| MTBF | 2.5 Million Hours |
|---|---|
| Capacity | 18TB |
| Security | SED (Self-Encrypting Drive), TCG Enterprise |
| Interface | SAS 12Gb/s |
| Form Factor | 3.5-inch |
| Cache Buffer | 512MB |
| Sector Format | 512e |
| Spindle Speed | 7200 RPM |
| Data Transfer Rate | Up to 262 MB/s |
| Warranty | 5-Year Limited Warranty |
| Weight | 690g |
| Dimensions | 101.6mm x 147mm x 26.1mm |
High-capacity enterprise HDD featuring HelioSeal, EAMR, and TSA technologies for maximum TCO efficiency in data centers.
Yes, this Western Digital Ultrastar DC HC550 18TB 7.2K RPM SAS 12Gb/s 3.5" Enterprise Hard Drive (WUH721818AL5201) is 100% genuine Western Digital hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Western Digital Ultrastar DC HC550 18TB 7.2K RPM SAS 12Gb/s 3.5" Enterprise Hard Drive includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the WUH721818AL5201.