Seagate
Seagate Cheetah NS ST3400755SSProduct 400 GB 3.5" SAS internal hard drive
- SLC
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HPE
HPE 785069-B21 900 GB 2.5" 10000 RPM SAS 12Gb/s internal hard drive
A 900 GB 2.5-inch SAS 12 Gb/s internal hard drive spinning at 10 000 RPM for high-performance server workloads
- InterfaceSerial Attached SCSI (SAS)
- Capacity900GB
- NAND Flash Memory TypeSLC
- RPM10000 RPM
- UsageIdeal for Servers
- Form Factor2.5"
- 900 GB capacity supports large enterprise workloads
- 10000 RPM spindle speed enables fast transaction processing
- SAS 12Gb/s interface provides high-throughput data transfer
- 5 inch small form factor fits dense server bays
- Designed for mission-critical server applications requiring reliability
900 GB 10K SAS enterprise drive
The HPE 785069-B21 is a 900 GB internal hard drive built for 2.5-inch server bays. It uses a 12Gb/s SAS interface and spins at 10000 RPM to serve mission-critical workloads. The SLC NAND flash memory type supports data integrity in demanding environments. It targets administrators who need reliable performance for transaction-heavy applications.
Capacity and headroom for high-transaction loads
At 900 GB the drive holds substantial databases and virtualisation images while the 10000 RPM spindle keeps latency low for random I/O. The 12Gb/s SAS link provides bandwidth headroom for multi-drive arrays. It runs out of space sooner than larger midline drives and cannot match the throughput of solid-state storage for sustained sequential workloads.
Thermals, noise and power in normal use
As a 2.5-inch 10K SAS drive it draws moderate power and generates measurable heat inside a populated chassis. Acoustic output is typical for enterprise spindles and rises under heavy seek activity. Proper airflow across the small form factor is required to maintain operating temperatures within specification.
Highlights
- 900 GB capacity supports large enterprise workloads
- 10000 RPM spindle speed enables fast transaction processing
- SAS 12Gb/s interface provides high-throughput data transfer
- 5 inch small form factor fits dense server bays
- Designed for mission-critical server applications requiring reliability
Specifications
| Brand | HP |
|---|---|
| Model | 785069-B21 |
| Interface | Serial Attached SCSI (SAS) |
| Capacity | 900GB |
| NAND Flash Memory Type | SLC |
| RPM | 10000 RPM |
| Usage | Ideal for Servers |
| Form Factor | 2.5" |
| Shipping weight | 4.08 kg |
| Package size | 216 × 184 × 140 mm |
Questions about this item
Will the 12Gb/s SAS interface on the 785069-B21 work with my existing 6Gb/s SAS backplane?
Yes, the 12Gb/s SAS drive is backward compatible and will negotiate down to 6Gb/s on an older backplane without any configuration changes.
How can I confirm the 10000 RPM spindle speed is active after installing the 785069-B21?
Check the drive properties in your RAID controller BIOS or operating system utilities; they will report the negotiated link speed and the 10000 RPM rotational rate for this model.
Does the 785069-B21 ship with a hot-plug carrier or must I order one separately for my 2.5-inch bay?
The supplier notes that retail or OEM packing may vary; this drive is sold as a bare 2.5-inch mechanism so a compatible HP Smart Carrier or standard hot-plug tray must be sourced separately.
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