Seagate
Seagate Cheetah NS ST3400755SSProduct 400 GB 3.5" SAS internal hard drive
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$23.99
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HPE
HPE 861691-B21 1TB SATA 6.0Gb/s 7200 RPM 3.5" internal hard drive
A 1 TB SATA 6.0 Gb/s 3.5" 7200 RPM drive for entry servers and archival storage
- PackagingBare Drive
- InterfaceSATA 6.0Gb/s
- Capacity1TB
- RPM7200 RPM
- Average Latency6Gb/s
- Form Factor3.5"
- High-capacity storage for backups and archives with 1TB SATA drive
- Fast 7200 RPM spindle speed delivers responsive data access for entry servers
- SATA 6.0Gb/s interface ensures broad compatibility with HPE ProLiant systems
- 5-inch large form factor fits standard server drive bays and enclosures
- Rigorous HPE qualification process verifies reliability in ProLiant server environments
1 TB SATA midline drive for servers
This 1 TB HPE midline drive delivers 7200 RPM performance over a SATA 6.0Gb/s interface in a 3.5 inch LFF form factor. It is built for entry servers and external storage arrays that need economical capacity for backups and archival workloads of 40% or less.
Check 3.5 inch bay and SATA 6.0Gb/s port
Verify that your chassis has an available 3.5 inch drive bay and a SATA 6.0Gb/s connector on the backplane or controller. The drive ships as a bare unit without a carrier, so confirm whether your server requires a specific tray or caddy for LFF installation.
Fits LFF bays and frees budget per GB
The 3.5 inch LFF design slots into standard ProLiant large form factor bays alongside other midline drives. Its SATA interface works with common RAID controllers and backplanes, while the midline positioning provides the lowest cost per GB for non‑mission‑critical storage tiers.
Highlights
- High-capacity storage for backups and archives with 1TB SATA drive
- Fast 7200 RPM spindle speed delivers responsive data access for entry servers
- SATA 6.0Gb/s interface ensures broad compatibility with HPE ProLiant systems
- 5-inch large form factor fits standard server drive bays and enclosures
- Rigorous HPE qualification process verifies reliability in ProLiant server environments
Specifications
| Brand | HEWLETT PACKARD ENTERPRISE |
|---|---|
| Model | 861691-B21 |
| Packaging | Bare Drive |
| Interface | SATA 6.0Gb/s |
| Capacity | 1TB |
| RPM | 7200 RPM |
| Average Latency | 6Gb/s |
| Form Factor | 3.5" |
| Shipping weight | 1.36 kg |
| Package size | 279 × 216 × 152 mm |
Questions about this item
Does the 861691-B21 come with cables or a mounting bracket, or must they be purchased separately?
The drive ships as a bare unit without cables or brackets; SATA data and power cables plus any 3.5-inch mounting hardware are sourced separately.
When should I choose the 1TB 7200 RPM version over a larger or smaller capacity?
Select this 1TB model when the workload stays at or below 40% utilisation and the lowest cost per gigabyte for bulk storage is the priority.
What does the 6.0Gb/s SATA figure mean for real-world throughput in a server?
The 6.0Gb/s interface sets the bus ceiling; sustained sequential reads and writes will be limited by the 7200 RPM platters to well below that maximum.
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