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Silver 2.5-inch SAS laptop hard drive with label

HP

HP 652597-B21 73GB 15000 RPM 16MB SAS 6Gb/s 2.5" laptop hard drive

SKU CH-XQKC-YE2AW MPN 652597-B21

73 GB, 15 000 RPM SAS drive with 16 MB cache in a 2.5-inch form factor

  • Total capacity73 GB
  • Interface typeSAS 6Gb/s
  • Cache memory16 MB
  • Rotational speed15,000 RPM
  • 15,000 RPM spindle accelerates data access for transaction-heavy workloads
  • 16 MB cache buffers bursts to sustain throughput under load
  • SAS 6 Gb/s interface delivers dual-port reliability for enterprise arrays
  • 73 GB capacity fits hot-plug 2.5" bays in Gen8 servers
  • New condition ensures full manufacturer-rated reliability from day one

HP 73 GB SAS 6Gb/s 15 000 RPM

This 2.5-inch internal hard drive delivers 73 GB of storage with a 15 000 RPM spindle speed and 16 MB cache over a SAS 6Gb/s interface. It is built for enterprise notebooks and compact servers that require high-throughput, low-latency mechanical storage in a small form factor. The drive ships new in retail or OEM packaging.

Suits SAS-only bays needing 15 000 RPM performance

The drive fits systems with a native SAS 6Gb/s backplane or controller and a 2.5-inch drive bay. Buyers whose platforms lack SAS connectivity or cannot supply the required signal voltage should look at other options, as the drive will not operate on interfaces other than SAS.

15 000 RPM spindle speed

The 15 000 RPM rotational speed is the single specification that determines whether this drive meets the performance envelope of the target workload. It defines the sustained transfer rate and average latency that the SAS 6Gb/s interface and 16 MB cache are designed to exploit.

How it compares

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

Price $115.99
Pricier than about 71% of the 645 comparable items (median $66.99).
Total capacity 73 GB
Lower than about 91% of the 419 comparable items (median 320 GB).
Price per TB $1,588.90 per TB
Pricier than about 90% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameHP - IMSOURCING
Total capacity73 GB
Performance
Rotational speed15,000 RPM
Storage
Cache memory16 MB
Ports & slots
Interface typeSAS 6Gb/s
Size & build
Shipping weight0.68 kg
Package size119 × 76 × 15 mm

Questions about this item

Will the 16 MB cache need replacement over time?

The 16 MB cache is built into the drive electronics and is not a user-serviceable part; if it fails the whole unit must be replaced.

What limit appears first when the 15000 RPM spindle runs continuously?

Sustained operation at 15000 RPM makes thermal output the first limiting factor in a 2.5 inch bay.

How much noise and heat does the SAS 6Gb/s interface add during all-day use?

The SAS 6Gb/s interface itself draws little power; nearly all noise and heat come from the 15000 RPM mechanical spindle.

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