• Cisco UCS-HD18T7KL4KN9 18TB SAS HDD with black drive and silver components
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Cisco

Cisco UCS-HD18T7KL4KN9 | 18TB 12Gb/s SAS 7.2K RPM LFF 3.5in, 4Kn, Nearline HDD

UCS-HD18T7KL4KN9

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Description

Enterprise nearline SAS hard drive delivering large 18TB capacity in a 3.5-inch form factor. Suited for capacity tiers, backups, and sequential workloads that demand reliability with scalable throughput. 12Gb/s SAS and 4Kn formatting support modern storage stacks.

Features

- 18TB capacity for high-density storage pools
- 12Gb/s SAS with dual-port connectivity for HA designs
- 4Kn sector format for modern filesystems and integrity features
- Nearline 7.2K mechanics optimized for capacity and throughput
- Enterprise-grade reliability for multi-drive chassis

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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Technical Specifications

FAQs

Technical Specifications

- Capacity: 18 TB
- Interface: SAS 12Gb/s
- Form factor: LFF 3.5-inch
- Spindle speed: 7,200 RPM
- Sector format: 4Kn (4096-byte native)
- Drive class: Nearline enterprise HDD
- Workloads: Backup, archiving, scale-out object and file storage

FAQs

Q: Is this a 4Kn or 512e drive?
A: It uses native 4Kn sectors. Verify controller and OS compatibility before installation.

Q: What environments are best suited for 7.2K nearline drives?
A: Capacity-focused tiers, backup repositories, and data lakes where throughput and density matter most.

Q: Does the SAS interface provide dual-port access?
A: Yes, SAS supports dual-porting to enable redundant data paths.

Q: Can I mix these with 10K or SSD tiers?
A: Yes, in tiered storage designs; keep tiers separate to maintain predictable performance.

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