HP
HP 375861-B21 72GB 10000 RPM SAS 3Gb/s 2.5" laptop hard drive
72 GB 10000 RPM SAS 3Gb/s 2.5" hot-plug laptop drive for enterprise 24/7 operation
- InterfaceSAS 3Gb/s
- Capacity72GB
- RPM10000 RPM
- FeaturesSerial Attached SCSI is the logical evolution of SCSI, inclu
- Form Factor2.5"
- 72 GB capacity stores enterprise datasets
- 10000 RPM spindle reduces access latency
- SAS 3Gb/s interface enables 24/7 operation
- 5 inch hot-plug form factor fits dense bays
- Enterprise-class design rated for 365 day duty cycle
Enterprise laptop drive
The HP 375861-B21 is a 72GB 2.5 inch internal hard drive built for enterprise laptops and hot-plug bays. It uses a SAS 3Gb/s interface and spins at 10000 RPM to serve workloads that demand consistent throughput in a compact form factor.
Thermals and power
Designed for 24/7 operation across 365 days, the drive meets enterprise-class thermal and power expectations without additional cooling mandates. The SAS interface and 10000 RPM spindle balance performance with the power envelope typical of laptop drive bays.
Build and connectors
A hot-pluggable tray is included so the drive can be inserted or removed without shutting down the host system. The 2.5 inch SAS connector layout fits standard enterprise laptop caddies and backplanes, simplifying maintenance and array rebuilds.
Highlights
- 72 GB capacity stores enterprise datasets
- 10000 RPM spindle reduces access latency
- SAS 3Gb/s interface enables 24/7 operation
- 5 inch hot-plug form factor fits dense bays
- Enterprise-class design rated for 365 day duty cycle
Specifications
| Brand | HP |
|---|---|
| Model | 375861-B21 |
| Interface | SAS 3Gb/s |
| Capacity | 72GB |
| RPM | 10000 RPM |
| Features | Serial Attached SCSI is the logical evolution of SCSI, including its long-established software advantage and the Serial ATA electrical and physical connection interface. SAS meets all these demands while providing the highest performance. |
| Form Factor | 2.5" |
| Shipping weight | 0.91 kg |
| Package size | 241 × 191 × 137 mm |
Questions about this item
How do I install the HP 375861-B21 2.5" SAS drive in a hot-plug bay, and what step is often missed?
Slide the drive into the bay until the SAS connector seats firmly; the step many miss is pressing the release latch fully home so the drive locks and the controller recognises the 3Gb/s link.
What maintenance or replacement will the 10000 RPM SAS drive need after continuous 24/7 365 operation?
Enterprise SAS drives are rated for constant use; plan replacement when SMART attributes show reallocated sectors or when the 72GB capacity no longer meets workload demands.
What limit appears first on the 72GB 10000 RPM SAS 3Gb/s drive under sustained heavy I/O?
The 3Gb/s SAS interface bandwidth saturates before the mechanical 10000 RPM platters, capping sustained throughput at the link speed.
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