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Cisco

Cisco UCS-HDM20TT1S74K | 20TB 3.5in 12Gb/s SAS NL-HDD, 7200 RPM, 4Kn (4096B), hot-swap

SKU:UCS-HDM20TT1S74K

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Description

Enterprise 3.5-inch 20TB nearline SAS drive for high-capacity deployments. 12Gb/s SAS interface, 7,200 RPM, and 4Kn sector format deliver dependable throughput for UCS-class mid-plane backplanes and RAID arrays. Ideal for bulk storage, backup, and scale-out nodes in mixed virtualized environments.

Features

- High capacity 20TB for dense storage tiers
- 12Gb/s SAS interface for dual-port redundancy and throughput
- 4Kn advanced format for improved efficiency and modern filesystems
- Enterprise nearline design for 24x7 duty cycles
- 7200 RPM with optimized caching for sequential workloads
- Hot-swap readiness for minimized maintenance downtime

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: Will this 20TB SAS drive work in my server?
A: It fits 3.5-inch 12G SAS bays and requires 4Kn (4096B) support on the controller/backplane. Check your platform’s hardware compatibility list.

Q: Is this drive hot-swappable?
A: Yes, when installed in a hot-swap bay with the correct carrier/tray and a SAS backplane that supports hot-swap.

Q: Can I mix 4Kn drives with 512e drives in the same array?
A: Mixing sector formats in the same RAID array is not recommended. Use matching sector formats across drives in a given array.

Q: Is this an NL-SAS or performance SAS drive?
A: It is an enterprise nearline SAS (NL-SAS) drive optimized for capacity and reliability at 7,200 RPM.

Q: Do I need a specific tray or sled?
A: Yes. Use the correct 3.5-inch carrier/tray for your server to ensure proper fit, airflow, and status LED alignment.

Technical Specifications

- Capacity: 20 TB
- Form factor: 3.5-inch (LFF)
- Interface: SAS 12Gb/s
- Spindle speed: 7,200 RPM
- Sector format: 4Kn (4096 bytes/sector)
- Drive class: Enterprise nearline (NL-SAS)
- Hot-swap capable: Yes (with correct carrier/tray)
- Compatibility: 3.5-inch 12G SAS bays with 4Kn support
- Use cases: Bulk storage, backups, archival, scale-out NAS/SAN
- Typical configuration: Hardware RAID with enterprise SAS backplane

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