Cisco 12TB SATA 6G 7.2K RPM 512e LFF 3.5'' HDD WD Ultrastar DC HC520 HUH721212ALE600 58-100258-01 UCS-HD12T7KL6GN (Cisco LFF Tray Included)

WD Ultrastar DC HC520 | HUH721212ALE600 | UCS-HD12T7KL6GN

Expand your enterprise storage infrastructure with the Cisco UCS-HD12T7KL6GN 12TB Hard Drive, built on the highly reliable Western Digital Ultrastar DC HC520 platform. Designed for demanding data center, cloud, virtualization, and backup environments, this enterprise-class drive combines high capacity, proven reliability, and efficient performance.

Featuring a 12TB capacity, 7200 RPM spindle speed, and SATA III 6Gb/s interface, the Ultrastar DC HC520 delivers dependable performance for mission-critical workloads while maintaining low power consumption through HelioSeal helium-filled technology.

This drive comes installed in a Cisco LFF 3.5-inch hot-swap tray, making it an excellent solution for compatible Cisco UCS server platforms.

• 12TB enterprise-class storage capacity
• Cisco OEM 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
• Hot-swap ready with Cisco LFF tray included
• Designed for 24/7 enterprise operation
• Supports virtualization, cloud, backup, and archival workloads
• High reliability with 2.5 million hour MTBF rating

Manufacturer: Cisco / Western Digital (HGST)

Cisco Part Number: UCS-HD12T7KL6GN

Drive Model: 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: Yes

Tray Included: Yes, Cisco LFF Tray

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

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

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

• Cisco UCS C220 M5 Rack Server
• Cisco UCS C240 M5 Rack Server
• Other compatible Cisco UCS platforms supporting 3.5" LFF SATA drives

• Data Centers
• Cloud Storage
• Virtualization
• Backup Infrastructure
• Big Data Environments
• Enterprise Storage Arrays
• Archival Storage
• Business-Critical Applications

• 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
• Cisco LFF Hot-Swap Tray Installed

Please verify compatibility with your server or storage system before purchasing.