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Silver 2.5-inch SAS hard drive with black label, 15 mm thick

HP

HP 652605-B21 146GB 2.5" SAS 15000 RPM laptop hard drive

SKU CH-2Q25-75JCF MPN 652605-B21

A 146 GB SAS 6Gb/s internal drive spinning at 15000 RPM for high-performance server workloads

  • Total capacity146 GB
  • Interface typeSAS 6Gb/s
  • Form factor2.5 in (6.35 cm)
  • Rotational speed15,000 RPM
  • Max height15.6 mm
  • Maximum width75.7 mm
  • 15000 RPM spindle speed accelerates transaction-heavy workloads
  • SAS 6Gb/s interface delivers 6144 MB/s peak throughput
  • 146 GB capacity in a 2.5 inch form factor fits dense server bays
  • Hot-pluggable design enables drive swaps without downtime
  • 3 ms average seek time reduces latency for high I/O applications

HP 146GB 2.5" SAS 15000 RPM Drive

This new HP 652605-B21 is a 2.5-inch internal hard drive with a SAS 6Gb/s interface, 146GB capacity and 15000 RPM spindle speed. It is built for HP server and blade environments that demand high transaction throughput. The 15.6 mm height fits standard enterprise 2.5-inch bays.

Suits servers needing fast SAS storage

This drive suits administrators running high-transaction workloads on compatible HP ProLiant or BladeSystem platforms where hot-plug capability and 15000 RPM performance are required. Buyers whose systems lack a SAS 6Gb/s backplane or who need more than 146GB of capacity should look at other options.

SAS 6Gb/s interface and 15000 RPM speed

The single specification that decides fitment is the SAS 6Gb/s interface combined with a 15000 RPM spindle speed; the host must support SAS signalling and accept a 2.5-inch drive no taller than 15.6 mm. Without a compatible SAS controller and bay, the drive cannot operate.

How it compares

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

Price $128.99
Pricier than about 73% of the 645 comparable items (median $66.99).
Total capacity 146 GB
Lower than about 80% of the 419 comparable items (median 320 GB).
Price per TB $883.49 per TB
Pricier than about 88% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameHP
Model name652605-B21
Total capacity146 GB
Recommended useIdeal for Servers
Performance
Rotational speed15,000 RPM
Ports & slots
Interface typeSAS 6Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Max height15.6 mm
Maximum width75.7 mm
Maximum length118.7 mm
Shipping weight0.91 kg
Package size119 × 76 × 15 mm

Questions about this item

Should I choose the 146 GB 15000 RPM SAS drive or a lower speed model?

The 146 GB capacity at 15000 RPM suits high transaction workloads where fast random access matters more than maximum storage space.

What does the 6144 MB/s external transfer rate mean once the drive is installed in a server?

That figure is the SAS 6Gb/s interface ceiling; real world throughput will be lower and depends on the controller, queue depth and the mix of read and write operations.

The drive uses a SAS 6Gb/s interface — what does that cap in practice?

The 6Gb/s link limits the maximum external data rate to 6144 MB/s, and the drive is hot pluggable in compatible HP ProLiant and BladeSystem bays.

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