• HPE 861691-B21 1TB 3.5in SATA 6Gb/s 7.2K LFF black and silver hard drive
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HPE

HPE 861691-B21 | 1TB 3.5in SATA 6Gb/s 7.2K LFF Smart Carrier, 512n, Hot-plug

861691-B21

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Description

Capacity-optimized 3.5-inch 7.2K HDD for LFF bays. SATA 6Gb/s interface for broad compatibility and Smart Carrier for hot-plug serviceability and bay status visibility. Ideal for general-purpose storage, backups, and archival tiers where cost per TB matters more than IOPS.

Features

- Cost-efficient capacity for nearline and bulk storage
- SATA 6Gb/s interface for broad platform support
- Smart Carrier for hot-plug serviceability and status indication
- Enterprise integration with LFF backplanes and RAID controllers
- 7200 RPM design tuned for sequential and mixed throughput workloads

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: 1TB
- Drive Type: HDD, Business Critical (capacity-optimized)
- Interface: SATA 6Gb/s
- Spindle Speed: 7,200 RPM
- Form Factor: 3.5-inch LFF
- Carrier: Smart Carrier (hot-plug)
- Sector Format: 512n
- Typical Use Cases: general-purpose storage, backup, archive tiers
- Compatibility: LFF hot-plug bays with SATA/SAS backplanes; confirm controller and bay type support

FAQs

Q: Is this drive compatible with my server?
A: It fits LFF (3.5-inch) hot-plug bays and requires a compatible backplane and controller that support SATA 6Gb/s HDDs. Check your server QuickSpecs and that the bay expects Smart Carrier drives.

Q: What does 512n mean?
A: 512n is native 512-byte sectors, offering broad OS and RAID compatibility. It can be mixed with 512e drives only in separate arrays or pools for best practice.

Q: Can I mix this with higher RPM or SSDs in the same array?
A: Mixing is technically possible on many RAID controllers but not recommended in the same array due to performance imbalance. Keep similar drive types and speeds within the same array.

Q: What is the difference between Smart Carrier and Low Profile carriers?
A: Smart Carrier includes enhanced status LEDs and analytics indicators, while Low Profile is a simplified hot-plug carrier. Choose the type that matches your chassis bays.

Q: Is this drive hot-pluggable?
A: Yes, when used in a supported hot-plug LFF bay with the correct carrier and controller.

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