Cisco 12TB SATA 6G 7.2K RPM 512e LFF 3.5" HDD (Tray Not INcluded)

WD Ultrastar DC HC520 | HUH721212ALE600 | 58-100258-01 | UCS-HD12T7KL6GN

Increase your enterprise storage capacity with the Cisco UCS-HD12T7KL6GN 12TB Hard Drive, built on the proven WD Ultrastar DC HC520 platform. Engineered for data centers, virtualization environments, cloud storage, and large-scale backup applications, this enterprise-class hard drive delivers an excellent balance of capacity, reliability, and performance.

Featuring a 12TB storage capacity, 7200 RPM spindle speed, SATA III 6Gb/s interface, and 256MB cache, this drive is designed to handle demanding workloads while maintaining consistent performance in 24/7 operating environments.

The Ultrastar DC HC520 utilizes HelioSeal helium-filled technology to improve efficiency, reduce power consumption, and enhance long-term reliability. This listing is for the drive only; tray/caddy is not included.

Key Features

• 12TB enterprise-class storage capacity
• Cisco OEM hard drive based on WD Ultrastar DC HC520 platform
• SATA III 6Gb/s interface
• 7200 RPM spindle speed
• 256MB cache
• 512e sector format
• CMR (Conventional Magnetic Recording) technology
• HelioSeal helium-filled design
• Reliable 24/7 enterprise operation
• Optimized for cloud, virtualization, backup, and storage workloads
• High reliability with 2.5 million hour MTBF rating
• Tray not included

Technical Specifications

Manufacturer: Cisco / Western Digital (HGST)

Cisco Part Number: UCS-HD12T7KL6GN

Model Number: HUH721212ALE600

Alternate Part Number: 58-100258-01

Capacity: 12TB

Form Factor: 3.5" LFF

Interface: SATA III 6Gb/s

Rotational Speed: 7200 RPM

Cache: 256MB

Sector Format: 512e

Recording Technology: CMR (PMR)

Hot Swap Support: Yes (requires compatible tray)

Performance Specifications

• Interface Transfer Rate: Up to 600 MB/s
• Sustained Read Rate: Up to 243 MB/s
• Sustained Write Rate: Up to 255 MB/s
• Average Latency: 4.16 ms

Reliability & Security Features

• MTBF: 2.5 Million Hours
• Annualized Failure Rate (AFR): 0.35%
• Load/Unload Cycles: 600,000
• Instant Secure Erase (ISE) Support
• Crypto Sanitize Support
• Designed for enterprise and data center workloads

Power & Physical Specifications

Idle Power Consumption: Approximately 5.0W

Active Power Consumption: Approximately 7.0W

Height: 26.1 mm

Width: 101.6 mm

Depth: 147.0 mm

Weight: Approximately 660 g

Compatibility

Compatible with Cisco UCS systems and other servers or storage platforms supporting:

• 3.5" LFF SATA Drives
• SATA III 6Gb/s Interface
• 512e Sector Format

Common Cisco UCS Platforms:

• Cisco UCS C220 M5
• Cisco UCS C240 M5
• Other compatible Cisco UCS server configurations

Ideal Applications

• Enterprise Storage
• Virtualization Platforms
• Cloud Infrastructure
• Backup and Recovery
• Data Archiving
• Big Data Environments
• NAS and Storage Arrays
• High-Capacity File Storage

Alternate Part Numbers

• UCS-HD12T7KL6GN
• HUH721212ALE600
• 58-100258-01
• 0F29608
• 0T2YHT
• T2YHT
• HUH721212ALE600-CISCO
• UCS-HD12T7KL6GN-MSALT
• HUH721212ALE600-GENERIC

What's Included

• Cisco 12TB SATA 6G 7.2K RPM 3.5" LFF Hard Drive
• WD Ultrastar DC HC520 HUH721212ALE600

Tray / Caddy Not Included

Please verify compatibility with your server, storage array, or chassis before purchasing.