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Cisco

Cisco UCS-HD12T7KL4KM | 3.5in 12TB 12G SAS 7.2K RPM, LFF 4Kn, Enterprise Nearline HDD

SKU:UCS-HD12T7KL4KM

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Description

Enterprise 3.5-inch 12TB nearline HDD with 12Gb/s SAS interface and 7,200 RPM for high-capacity, reliable storage. Native 4Kn sector formatting enables end-to-end data integrity and efficiency with modern OS, filesystems, and controllers. Ideal for bulk storage, backup, archive, and scale-out workloads in LFF SAS drive bays; requires a controller/backplane that supports 12G SAS and 4Kn media.

Features

- 12Gb/s SAS throughput and dual-port design for resilient, multipath connectivity
- High-capacity 12TB per drive for cost-efficient bulk storage
- 7,200 RPM nearline performance optimized for sequential and mixed workloads
- Native 4Kn sectors for improved efficiency and end-to-end data integrity
- Enterprise 24x7 duty cycle with hot-swap capability in supported bays
- Standard 3.5-inch LFF format for broad server and storage array compatibility

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: What does 4Kn mean and will it work in my system?
A: 4Kn is native 4096-byte sector formatting. Your controller/backplane and OS must support 4Kn. It is not a drop-in replacement for systems that only support 512e/512n.

Q: Can I mix 4Kn and 512e drives in the same array or pool?
A: Mixing is generally not supported within the same virtual disk/RAID group or storage pool. Keep sector formats consistent to avoid initialization or rebuild issues.

Q: Is this drive hot-swappable?
A: Yes, when installed in a compatible SAS hot-swap bay with a supported controller backplane.

Q: Does this include a tray/caddy?
A: Check the specific listing contents. Unless explicitly stated, assume the drive is supplied without a server-specific tray/caddy.

Q: Can I use this in a SATA-only backplane?
A: No. SAS drives require a SAS-capable backplane and controller. SAS controllers can often use SATA drives, but SATA backplanes/controllers cannot use SAS drives.

Technical Specifications

- Capacity: 12 TB
- Interface: SAS 12Gb/s (dual-port)
- Form factor: 3.5-inch LFF
- Spindle speed: 7,200 RPM
- Sector size: 4Kn (4096-byte native)
- Drive type: Enterprise nearline HDD
- Hot-swap: Supported in compatible hot-swap LFF SAS bays
- Compatibility: Requires 12G SAS backplane/controller with 4Kn support
- Typical uses: Bulk storage, backup, archive, scale-out
- Data path: Dual-port SAS for high availability multipathing

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