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Silver 2.5 inch enterprise hard drive with green circuit board and model label ST9300453SS

Seagate

Seagate ST9300453SS 300GB 15000 RPM 64MB SAS 2.5" laptop hard drive

SKU CH-E59Y-YA0Y4 MPN ST9300453SS

A 2.5-inch enterprise hard drive delivering 300GB capacity, 15000 RPM speed and 64MB cache over a SAS interface

  • Total capacity300 GB
  • Interface typeSAS 6Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Cache memory64 MB
  • Rotational speed15,000 RPM
  • 15000 RPM spindle speed accelerates data access for demanding workloads
  • 64 MB cache buffers bursts to sustain throughput under load
  • SAS 6Gb/s interface provides reliable connectivity for enterprise systems
  • 5 inch form factor fits dense server and storage chassis
  • 300 GB capacity stores critical datasets in a compact drive

300 GB 15 000 RPM enterprise drive

The Seagate Savvio 15K.3 ST9300453SS is a 300 GB 2.5 inch laptop internal hard drive built for enterprise workloads. It spins at 15 000 RPM with a 64 MB cache and connects through a SAS 6Gb/s interface. The bare-drive packaging suits system integrators and replacement scenarios.

Suits high-throughput arrays not portable PCs

This drive targets servers and storage arrays that demand sustained throughput and low latency from a small form factor. The 15 000 RPM spindle and SAS interface serve transactional databases and virtualised hosts. Buyers who need larger capacity or silent operation for a standard laptop should look elsewhere.

SAS 6Gb/s interface dictates compatibility

The single specification that decides fitment is the SAS 6Gb/s interface. The system backplane or controller must support this protocol; a different interface will prevent the drive from functioning. Verify the host connector 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 $298.99
Pricier than about 90% 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 $996.63 per TB
Pricier than about 90% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameSeagate
Product lineSavvio 15K.3
Model nameST9300453SS
Total capacity300 GB
Performance
Rotational speed15,000 RPM
Storage
Cache memory64 MB
Ports & slots
Interface typeSAS 6Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Shipping weight0.91 kg
Package size178 × 127 × 51 mm

Questions about this item

Does the ST9300453SS ship with a mounting bracket or cables, or must they be purchased separately?

The drive is supplied as a bare unit only; no bracket, screws or SAS cables are included.

How do I decide between the 15000 RPM 300 GB model and a lower-speed, higher-capacity alternative?

Choose this 15000 RPM 300 GB drive when transactional workloads demand the lowest latency; select a larger, slower drive for bulk storage.

What does the 15000 RPM rating mean for real-world database performance?

The 15000 RPM spindle cuts average rotational latency to roughly 2 ms, giving faster random read and write response for OLTP workloads.

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