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Silver 3.5 inch SAS hard drive with green circuit board visible

Seagate Refurbished

Seagate ST3450856SS-FR 450GB 15000 RPM 16MB SAS 3Gb/s 3.5" internal hard drive

SKU CH-RVAS-NHYGK MPN ST3450856SS-FR

A 450 GB 3.5" enterprise drive spinning at 15000 RPM with 16 MB cache and a SAS interface

  • Total capacity450 GB
  • Interface typeSAS 3Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed15,000 RPM
  • Cache memory16 MB
  • 15000 RPM spindle enables rapid data access
  • 450GB capacity stores large enterprise datasets
  • 16MB cache buffers bursts for smooth throughput
  • SAS 3Gb/s interface connects to existing controllers
  • 5-inch form factor fits standard server bays

Seagate Cheetah 450GB 15000 RPM SAS Drive

The Seagate Cheetah ST3450856SS-FR is a 3.5-inch enterprise hard drive built for high-speed transactional workloads. Its 15000 RPM spindle and 16MB cache deliver low latency for database and server applications. The SAS 3Gb/s interface provides dual-port reliability for continuous operation. This refurbished unit suits replacement or capacity expansion in compatible storage arrays.

Suits SAS arrays needing 15K performance.

This drive fits servers and arrays with native SAS 3Gb/s backplanes that can utilise 15000 RPM throughput. It is not for systems lacking SAS connectors or controllers. Buyers needing larger capacities or different form factors should consider other options. The 450GB capacity addresses specific legacy volume requirements.

Deciding spec: SAS 3Gb/s interface

The single specification that determines fit is the SAS 3Gb/s interface. Your host bus adapter or backplane must support this exact protocol to recognise and communicate with the drive. Without a compatible SAS connection the drive cannot function. Verify the 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 $68.99
Cheaper than about 65% of the 4,938 comparable items (median $107.99).
Total capacity 450 GB
Lower than about 82% of the 2,372 comparable items (median 2 TB).
Price per TB $153.31 per TB
Pricier than about 73% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineCheetah
Model nameST3450856SS-FR
Total capacity450 GB
Performance
Rotational speed15,000 RPM
Storage
Cache memory16 MB
Ports & slots
Interface typeSAS 3Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.73 kg
Package size165 × 124 × 36 mm

Questions about this item

Should I choose the 450GB 15000 RPM version or a larger capacity model?

The 450GB capacity at 15000 RPM targets high transaction rates rather than bulk storage; pick it when random I/O speed matters more than total space.

What does the 15000 RPM speed deliver inside a server?

15000 RPM cuts average rotational latency to about 2 ms, giving faster random read/write response for database or transaction workloads.

How does the SAS 3Gb/s link limit real-world throughput?

The SAS 3Gb/s interface sets a 3 Gbit/s signalling rate per port, so sustained transfers cannot exceed the link's raw bandwidth ceiling.

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