Seagate

Seagate ST3146855LC Cheetah 15K.5 146GB SCSI HDD

4.8 (10 reviews)

High-Performance Enterprise Storage with Seagate Cheetah 15K.5 The Seagate Cheetah 15K.5 is an enterprise-class hard drive designed for demanding applications requiring high performance and reliability. With a 15000 RPM spindle speed and Ultra320 SCSI interface, this drive delivers exceptional d...

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Overview

High-Performance Enterprise Storage with Seagate Cheetah 15K.5

The Seagate Cheetah 15K.5 is an enterprise-class hard drive designed for demanding applications requiring high performance and reliability. With a 15000 RPM spindle speed and Ultra320 SCSI interface, this drive delivers exceptional data throughput and responsiveness.

Specifications:

  • Capacity: 146 GB
  • Spindle Speed: 15000 RPM
  • Interface: Ultra320 SCSI
  • Cache: 16MB
  • Form Factor: 3.5 Inch

Key Features

Perpendicular recording is fundamentally superior, delivering 146GB capacity with 30 percent faster sequential performance

Reduces supporting infrastructure, maintenance and space needs while boosting system reliability

30 percent more IOPS and over 20 percent faster response times than 3.5-inch 10K drives;

Reduces RAID rebuild times while minimizing reliability risk exposure; nonrecoverable error rate has been improved by a factor of 10.

Best-Fit Applications - all mainstream enterprise applications, such as: e-mail, business processing, transaction processing, decision

Highest reliability rating of any 3.5-inch drive in the industry.

Support, Storage Area Networks (SAN), Networked Attached Storage (NAS), Internet and e-commerce

First drive to break 100-Mbyte sustained transfer rate barrier

Enables higher performance with fewer drives,

Specifications

Model
Cheetah 15K.5
Capacity
146GB
Interface
SCSI
Form Factor
3.5-inch
Rotational Speed
15,000 RPM
Sustained Transfer Rate
Over 100 Mbyte/s
Reliability
Highest for 3.5-inch drives
Nonrecoverable Error Rate
Improved by a factor of 10

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Pros & Cons

👍 Pros

  • Achieves 30 percent faster sequential performance due to its perpendicular recording technology.
  • Offers 30 percent more IOPS and over 20 percent faster response times compared to 3.5-inch 10K drives.
  • Reduces RAID rebuild times and minimizes reliability risk exposure, with a 10x improved nonrecoverable error rate.
  • Features the highest reliability rating of any 3.5-inch drive in the industry for consistent operation.
  • First drive in its class to surpass the 100-Mbyte sustained transfer rate barrier for quick data access.

👎 Cons

  • SCSI interface may not be compatible with modern systems that primarily use SATA or SAS without adapters.
  • The 146GB capacity might be considered small for today's data-intensive enterprise storage needs.
  • Enterprise-grade drives typically generate more heat and noise compared to standard desktop drives.
  • Designed specifically for mainstream enterprise applications, which may limit its suitability for other uses.
  • Requires supporting infrastructure, which adds to the initial setup complexity and potential cost.

Frequently Asked Questions

The Seagate Cheetah 15K.5 utilizes perpendicular recording technology, which contributes to 30 percent faster sequential performance and is the first drive to break the 100-Mbyte sustained transfer rate barrier.
This hard drive is ideal for mainstream enterprise applications such as e-mail, business processing, transaction processing, decision support, Storage Area Networks (SAN), Networked Attached Storage (NAS), Internet, and e-commerce.
The Seagate Cheetah 15K.5 reduces RAID rebuild times, minimizes reliability risk exposure, and has an improved nonrecoverable error rate by a factor of 10, earning it the highest reliability rating among 3.5-inch drives.
While 146GB was significant at its introduction, current data demands may consider this capacity limited for very large datasets, though it remains efficient for high-performance transaction processing where speed is critical.
Yes, it reduces supporting infrastructure, maintenance, and space needs while boosting overall system reliability, enabling higher performance with fewer drives.