
Seagate ST3146855LC Cheetah 15K.5 - 146GB SCSI HDD (Renewed)
Achieve High-Speed Data Access with Seagate Cheetah 15K.5The Seagate Cheetah 15K.5 is a high-performance internal bare drive designed for enterprise applications. With a capacity of 146 GB and a speed of 15000 RPM, this Ultra320 SCSI drive delivers fast and reliable data access. Featuring a 16MB ...
*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Achieve High-Speed Data Access with Seagate Cheetah 15K.5
The Seagate Cheetah 15K.5 is a high-performance internal bare drive designed for enterprise applications. With a capacity of 146 GB and a speed of 15000 RPM, this Ultra320 SCSI drive delivers fast and reliable data access. Featuring a 16MB cache and perpendicular recording technology, it is ideal for demanding business processing and transaction processing environments.
Specifications
- Capacity: 146 GB
- Speed: 15000 RPM
- Interface: Ultra320 SCSI
- Cache: 16MB
- Form Factor: 3.5 Inch
- Technology: Perpendicular Recording
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
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Pros & Cons
👍 Pros
- Features perpendicular recording technology, delivering a 146GB capacity with 30 percent faster sequential performance.
- Designed to reduce supporting infrastructure, maintenance, and space needs while boosting system reliability.
- 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, enhancing data integrity and system uptime.
- Boasts the highest reliability rating among 3.5-inch drives in the industry, ensuring consistent operation.
- Breaks the 100-Mbyte sustained transfer rate barrier, providing excellent speed for data-intensive tasks.
👎 Cons
- As a renewed product, its long-term reliability might be perceived differently compared to a brand-new unit, despite testing.
- The 146GB capacity is relatively small for modern enterprise storage needs, especially for large datasets or archives.
- Being a SCSI HDD, it requires a SCSI controller, which is a less common interface in contemporary systems compared to SAS or SATA.
- While faster than some 10K drives, it is still a spinning disk, meaning it will be slower than solid-state drives (SSDs) for random access.