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Seagate Cheetah 3.5 inch SAS hard drive bare drive 1.0 inch low profile

Seagate

Seagate Cheetah ST3450856SS 450GB 15000 RPM 16MB SAS 3.5" internal hard drive

SKU CH-QMPR-49D6W MPN ST3450856SS

A 450 GB 15 000 RPM SAS hard drive with 16 MB cache in a 3.5 inch 1.0 inch low-profile form factor

  • Total capacity450 GB
  • Interface typeSAS 3Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Flash memory typeEnterprise
  • Rotational speed15,000 RPM
  • 15,000 RPM spindle speed accelerates data access for demanding server workloads
  • 450 GB capacity provides ample storage for enterprise applications
  • SAS 3 Gb/s interface delivers reliable high-throughput connectivity
  • 16 MB cache buffers bursts to sustain consistent performance
  • 0-inch low-profile 3.5-inch form factor fits dense server chassis

Enterprise server storage

The Seagate Cheetah ST3450856SS is a 450GB 3.5 inch internal hard drive built for enterprise servers. It spins at 15000 RPM with a 16MB cache and connects via a SAS 3Gb/s interface. The bare drive arrives in low-profile 1.0 inch height packaging.

Suited for high-IOPS workloads

This drive suits administrators who need low average latency for transaction-heavy server workloads. It is not for systems that lack a SAS host adapter, builds that require a current manufacturer warranty, or users who need a consumer-grade desktop drive.

SAS 3Gb/s interface decides fit

The single specification that determines compatibility is the SAS 3Gb/s interface. The server or controller must support this exact connection standard for the drive to function.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $256.99
Pricier than about 78% 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 $571.09 per TB
Pricier than about 90% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameSeagate
Product lineCheetah
Model nameST3450856SS
Total capacity450 GB
Recommended useIdeal for Servers
Performance
Rotational speed15,000 RPM
Mean latency6Gb/s
Storage
Flash memory typeEnterprise
Cache memory16 MB
Ports & slots
Interface typeSAS 3Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.82 kg
Package size147 × 102 × 25 mm

Questions about this item

How does the 15000 RPM spindle speed affect real-world access times in a server?

The 15000 RPM rotation yields an average latency of 2.0 ms, so random read and write requests complete faster than on slower-spinning drives.

What does the SAS 3Gb/s interface limit in practice?

The SAS 3Gb/s link caps the maximum burst transfer rate at 3 Gb/s, so sustained throughput cannot exceed that ceiling regardless of the backplane.

Will this 3.5 inch low-profile drive fit in a standard 3.5 inch drive bay?

Yes, the 3.5 inch form factor with a 1.0 inch height matches the standard low-profile 3.5 inch bay dimensions used in most servers.

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