Feature

●16TB capacity in a standard 3.5" form factor
●Energy-Assisted Magnetic Recording (EAMR) technology improves writability
●Triple Stage Actuator (TSA) enhances head-positioning accuracy
●HelioSeal technology is the foundation for Western Digital’s high capacity hard drives
●512MB cache buffer improves response time and data management


Description

Ultrastar DC HC550

16TB Provides 14% more capacity than 14TB helium-filled drives

Triple Stage Actuator and Two-Dimensional Magnetic Recording (TDMR) technology More accurate head positioning, especially in multi-drive environments, for better performance and data integrity

Rotational Vibration Safeguard (RVS) Maintains drive performance in high rotational vibration environments and multi-drive systems

Media Cache Plus architecture Better random write performance

512MB cache buffer Improves response time and data management

Dual Safe, RSA-signed firmware Retains previous firmware version for safe firmware updates, verified with an RSA signature

2.5M hours MTBF and 0.35% AFR Unsurpassed reliability rating for Capacity Enterprise HDD for fewer failures/less service needs

Highlights

• 16TB capacity in a standard 3.5-inch form factor
• CMR technology works with all capacity enterprise applications & environments
• Reliable, field-proven, 6th generation design
• Industry’s first HDD with Energy-Assisted Magnetic Recording technology improves writability and therefore increases areal density
• Industry’s first Triple Stage Actuator enhances head-positioning accuracy, delivering better performance and increased areal density
• HelioSeal design delivers outstanding power efficiency
• 2.5M hours (projected) MTBF rating
• 512e SATA 6Gb/s
• Legacy Pin 3 config – no power disable support
• Base (SE), no encryption. Sanitize overwrite only

Applications

• Cloud & Hyperscale storage
• Massive scale-out (MSO), high-density data centers
• Distributed File Systems