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Silver 2.5 inch laptop hard drive with hot-swap tray

HP

HP 507750-B21 500GB 7200 RPM SATA 3.0Gb/s 2.5" laptop hard drive

SKU CH-PT9S-2XEJK MPN 507750-B21

A 500 GB 2.5" SATA hard drive spinning at 7200 RPM with a 3.0 Gb/s interface and hot-swap capability

  • Total capacity500 GB
  • Interface typeSATA 3.0Gb/s
  • Form factor2.5 in (6.35 cm)
  • Rotational speed7,200 RPM
  • Key featuresHot Swappable
  • Recommended useIdeal for Servers
  • 7200 RPM spindle speed delivers responsive data access
  • 500 GB capacity stores large server workloads
  • SATA 3.0 Gb/s interface provides reliable connectivity
  • 5 inch form factor fits dense server bays
  • Hot-swappable tray enables drive replacement without downtime

HP Midline 500GB SATA Hard Drive

The HP 507750-B21 is a 500GB 2.5in internal hard drive that spins at 7200 RPM and connects through a SATA 3.0Gb/s interface. It belongs to the Midline series and is supplied new in retail or OEM packaging. The drive is built for server and storage environments where hot-swap capability is required.

Server Builders Needing Hot-Swap 3.0Gb/s Storage

This drive suits administrators who need a 500GB 7200 RPM SATA disk with a hot-swap tray for compatible HP server bays. It is not for systems that demand a faster SATA transfer rate or a solid-state form factor. Buyers who need larger capacities or a non-hot-swap mechanical design should look elsewhere.

SATA 3.0Gb/s Interface

The single specification that decides fit is the 3.0Gb/s SATA interface combined with the hot-swap tray type. Verify that the target server backplane supports this exact link speed and tray format 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 $149.99
Pricier than about 78% of the 645 comparable items (median $66.99).
Total capacity 500 GB
Higher than about 60% of the 419 comparable items (median 320 GB).
Price per TB $299.98 per TB
Pricier than about 60% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameHP
Product lineMidline
Model name507750-B21
Total capacity500 GB
Recommended useIdeal for Servers
Performance
Rotational speed7,200 RPM
Ports & slots
Interface typeSATA 3.0Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Shipping weight0.91 kg
Package size234 × 183 × 132 mm

Questions about this item

Is the 500GB capacity the only option for this HP Midline 507750-B21 drive?

The listed part number 507750-B21 corresponds to the 500GB capacity; other capacities carry different part numbers.

What real-world throughput can I expect from the 7200 RPM spindle and SATA 3.0Gb/s link?

The 7200 RPM spindle delivers typical mechanical drive speeds, while the SATA 3.0Gb/s interface sets the maximum bus transfer rate.

Does the SATA 3.0Gb/s interface limit performance compared to newer SATA revisions?

The drive operates at SATA 3.0Gb/s, which defines the peak interface bandwidth for this model.

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