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Silver 3.5 inch SATA hard drive with circuit board visible

HP

HP Midline 454146-B21 1TB 7200 RPM SATA 3.0Gb/s 3.5" internal hard drive

SKU CH-EAEG-76GK1 MPN 454146-B21

A 1 TB 3.5-inch SATA hard drive spinning at 7200 RPM with an 8.5 ms average seek time, built for server storage

  • Total capacity1 TB
  • Interface typeSATA 3.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeRetail
  • Flash memory typeHard Drive
  • Rotational speed7,200 RPM
  • 1TB capacity for large data storage
  • 7200 RPM spindle speed for responsive access
  • SATA 3.0Gb/s interface for broad compatibility
  • 5-inch form factor fits standard drive bays
  • Hot-plug support enables drive swaps without shutdown

1 TB SATA 3.0 Gb/s 7200 RPM drive

This HP Midline 454146-B21 is a 3.5-inch internal hard drive with a 1 TB capacity and a 7200 RPM spindle speed. It connects through a SATA 3.0 Gb/s interface and is supplied in retail packaging. The drive is intended for desktop and entry-server storage applications. ||

Server and archival workloads

The Midline series targets external storage, backup and archival tasks with workloads of 40 % or less. It suits administrators who need economical high-capacity drives for non-mission-critical servers. Buyers who need drives rated for heavier continuous workloads should look at other product lines. ||

SATA 3.0 Gb/s interface

The drive uses a SATA 3.0 Gb/s interface, which determines host compatibility and maximum transfer rate. Verify that the system board or controller supports this interface before purchase.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $237.99
Pricier than about 75% of the 4,938 comparable items (median $107.99).
Total capacity 1 TB
Lower than about 60% of the 2,372 comparable items (median 2 TB).
Price per TB $237.99 per TB
Pricier than about 81% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameHP
Product lineMidline
Model name454146-B21
Total capacity1 TB
Recommended useIdeal for Servers
Performance
Rotational speed7,200 RPM
Average seek time8.5 ms
Mean latency3Gb/s
Storage
Flash memory typeHard Drive
Ports & slots
Interface typeSATA 3.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight1.36 kg
Package size178 × 127 × 51 mm

Questions about this item

Is the 1 TB capacity the only option for the HP Midline 454146-B21?

The HP Midline 454146-B21 is offered in a single 1 TB capacity. If you need a different size, you would have to select another model from the Midline range.

What does the 7200 RPM speed mean for daily server workloads?

At 7200 RPM the drive delivers an 8.5 ms average seek time, giving responsive read and write performance for backup, archival and external storage tasks rated at 40 % duty cycle or less.

How does the SATA 3.0 Gb/s interface limit real-world transfer rates?

The SATA 3.0 Gb/s link caps the theoretical maximum at 3 Gb/s, so sustained throughput will stay below that ceiling once the drive is installed in a server or storage array.

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