Name: WUH721816AL5200 Western Digital Ultrastar DC HC550 16TB 7200RPM SAS 12Gb/s 512MB Cache 512e ISE 3.5-Inch Enterprise Hard Drive
Brand: Western Digital
SKU: WUH721816AL5200
Price: 1.00 USD
Availability: InStock
Rating: 4.8 (125 reviews)

Product Overview
The Western Digital Ultrastar DC HC550 16TB is an enterprise-grade hard drive providing significant storage capacity with a 7,200 RPM spindle speed. It utilizes a 12Gb/s SAS interface and incorporates a 512MB cache, making it suitable for use in data centers and enterprise storage platforms requiring large-capacity, reliable spinning disk drives.

General Information
Brand	Western Digital

Technical Information
Capacity	16TB
Drive Type	Internal Hard Drive
Form Factor	3.5-inch
Disk Format	512e
Cache	512MB
Spindle Speed	7,200 RPM
Hot Pluggable	Yes
Hot Swappable	Yes
Hybrid Drive	No
Compatible For	Enterprise/Datacenter servers, Storage arrays
MTBF	2.5 million hours (2,500,000 hours)

Interfaces/Ports
Interface	SAS 12Gb/s

Physical Characteristics
Height	1.028
Width	4.0
Depth	5.787
Dimensions	1.028 x 4.0 x 5.787
Condition	Refurbished
Weight	1.76

Miscellaneous
Assembly Required	No
Compliance Standards	RoHS, CE, FCC

Product Description
The Western Digital Ultrastar DC HC550 16TB is a 3.5-inch enterprise hard disk drive designed to deliver large-scale storage capacity with consistent performance. It connects via a 12Gb/s SAS interface and spins at 7,200 RPM, making it suitable for data centers and enterprise storage systems requiring high-capacity drives. This drive is typically used in environments such as cloud infrastructure, data warehousing, and high-density storage arrays, where reliable storage with substantial capacity is necessary. IT professionals and system administrators benefit from its balance of capacity and performance. Key Features 16TB storage capacity supporting extensive data retention needs 7,200 RPM spindle speed ensuring steady data access rates SAS 12Gb/s interface for connectivity in enterprise storage solutions 512MB cache to enhance data transfer efficiency 3.5-inch form factor compatible with standard enterprise drive bays This hard drive offers a practical solution for organizations managing large volumes of data requiring stable access speeds and enterprise connectivity. It serves as a core component in systems that prioritize capacity and data integrity over intensive random I/O performance.

Use Cases
This drive is typically deployed in enterprise storage environments that demand high capacity and consistent throughput, such as cloud data centers, backup and archival systems, and large-scale storage arrays. It serves IT professionals managing extensive data repositories and infrastructures built around SAS interface technology. How It's Used: Storage expansion in enterprise data centers requiring 16TB capacity Integration into SAS-based storage arrays for balanced workload handling Archival and backup systems needing large volume retention Supporting cloud infrastructure storage pools with stable throughput Replacement or upgrade of existing 3.5-inch SAS enterprise drives Overall, this hard drive plays an important role in enterprise and data center storage by providing a large-capacity option compatible with common SAS infrastructures. It supports workloads where sustained sequential access and data retention are priorities over high IOPS.

FAQ's
What interface does the WUH721816AL5200 use? The WUH721816AL5200 uses a 12Gb/s SAS interface, suitable for enterprise storage systems requiring high-speed data transfer over SAS connections. What is the form factor of this Ultrastar drive? This drive has a 3.5-inch form factor, fitting standard enterprise drive bays designed for this size. What spindle speed does this 16TB drive operate at? The drive operates at a spindle speed of 7,200 RPM, providing consistent data access performance for storage tasks. How much cache memory does this HDD have? The Western Digital Ultrastar DC HC550 16TB drive includes a 512MB cache to assist in buffering data and improving transfer efficiency. Which environments is this HDD designed for? It is designed for enterprise environments such as data centers and storage arrays that require large-capacity and reliable spinning disk drives. Is this drive suitable for high random I/O applications? This drive prioritizes capacity and sequential throughput; it is less optimized for workloads demanding high random I/O performance.