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Small silver 2.5 inch laptop hard drive with label showing 300GB 10000 RPM SAS

HP

HP 492620-B21 300GB 10000 RPM SAS 2.5" laptop hard drive

SKU CH-TENP-3NEXH MPN 492620-B21

300 GB enterprise SAS drive spinning at 10000 RPM for 2.5-inch server bays

  • Total capacity300 GB
  • Interface typeSAS 3Gb/s
  • Form factor2.5 in SFF
  • Average seek time4 ms
  • Rotational speed10,000 RPM
  • Key featuresSerial Attached SCSI (SAS) is the logical evolution of SCSI
  • 10000 RPM spindle speed accelerates data access
  • SAS 3Gb/s interface delivers reliable enterprise connectivity
  • 300 GB capacity stores critical server workloads
  • 5 inch SFF form factor fits dense drive bays
  • 4 ms average seek time reduces latency for I/O-intensive tasks

HP Enterprise 300GB SAS Drive

The HP Enterprise 492620-B21 is a 300GB 2.5-inch internal hard drive spinning at 10000 RPM with a SAS 3Gb/s interface. It is built for server environments where consistent throughput and enterprise-grade reliability are required. The 4ms average seek time supports rapid data access in demanding workloads. This new drive arrives in retail or OEM packaging.

Server Builders Needing 10K SAS Storage

System integrators maintaining or expanding 2.5-inch SAS storage arrays will find this drive a direct fit for compatible HP server bays and controllers. It suits applications that prioritize sustained I/O over maximum capacity. Buyers who need a larger capacity or a faster SAS interface should look at other models. Laptop users and desktop builders without SAS infrastructure cannot use this drive.

SAS 3Gb/s Interface Decides Compatibility

The single specification that determines fit is the SAS 3Gb/s interface; the system backplane and controller must support this exact protocol. A 10000 RPM spindle speed and 300GB capacity follow from the interface choice. Verify the host hardware lists SAS 3Gb/s before purchase.

How it compares

Measured against everything we stock in 2.5-Inch Internal Laptop HDDs, at today’s prices. Recalculated every night.

Price $112.99
Pricier than about 70% of the 645 comparable items (median $66.99).
Total capacity 300 GB
Lower than about 60% of the 419 comparable items (median 320 GB).
Price per TB $376.63 per TB
Pricier than about 69% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameHP
Product lineEnterprise
Model name492620-B21
Total capacity300 GB
Recommended useIdeal for Servers
Performance
Average seek time4 ms
Rotational speed10,000 RPM
Ports & slots
Interface typeSAS 3Gb/s
Size & build
Form factor2.5 in SFF
Shipping weight0.91 kg
Package size178 × 127 × 51 mm

Questions about this item

How is the 2.5" SAS drive installed in a server bay, and what step is often missed?

Slide the 2.5" SFF unit into the hot-swap tray until the SAS 3Gb/s connector seats firmly; the step often missed is securing the tray latch so vibration cannot unseat the drive.

What maintenance or replacement will the 10000 RPM drive need later?

Mechanical wear on the 10000 RPM spindle and actuator means the drive itself is the only field-replaceable part; plan a spare 300GB unit for rebuilds.

What limit appears first on the SAS 3Gb/s interface under sustained write loads?

The 3Gb/s SAS link caps sustained throughput before the 10000 RPM media saturates, so sequential writes plateau at the interface ceiling.

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