Name: ST318453LW0020T Seagate 18.4GB 15K RPM Ultra320 SCSI 3.5-inch HDD
Brand: Seagate
SKU: ST318453LW0020T
Price: 291.00 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The Seagate Cheetah 15K.3 18.4GB hard drive offers fast 15,000 RPM performance combined with an Ultra-320 SCSI interface, making it suitable for enterprise storage systems. Its 8MB cache and 68-pin connection help maintain steady, high throughput in data-intensive settings, fitting well into server racks where speed and reliability matter most.

General Information
Brand	Seagate
Part Number	st318453lw0020t

Technical Information
Capacity	18.4GB
Form Factor	3.5-inch
Cache	8MB
Spindle Speed	15000 RPM
Hybrid Drive	No
MTBF	1,200,000 hours

Physical Characteristics
Height	1.63 in (41.3 mm)
Width	4.0 in (101.6 mm)
Depth	5.75 in (146.05 mm)
Dimensions	1.63 x 4.0 x 5.75 in (41.3 x 101.6 x 146.05 mm)
Condition	Refurbished
Weight	1.76

Product Description
The Seagate Cheetah 15K.3 is a high-performance internal hard drive designed for environments demanding rapid access to data. Often found in enterprise servers and data centers, it handles intensive workloads where speed and reliability are critical. Built for IT professionals and system administrators, this drive supports applications requiring quick processing times and consistent performance like database management and transaction processing. Key Features Delivers 15,000 RPM for reduced latency and faster data retrieval Equipped with an Ultra-320 SCSI interface to maintain high data transfer rates 8MB cache buffer enhances overall throughput during multitasking Robust 3.5-inch form factor compatible with standard server racks Reliable 68-pin connector optimized for enterprise-class systems This hard drive is typically integrated into server and storage systems where consistent high-speed performance is essential. It plays a vital role in minimizing bottlenecks and supporting heavy input/output operations. Its design targets environments that require durable, fast-access storage solutions capable of handling demanding data loads over time.

Use Cases
The Seagate ST318453LW0020T hard drive is optimized for high-demand enterprise environments requiring rapid data access and sustained throughput. It is particularly suited for data centers and server rooms where minimizing latency and maximizing I/O operations per second are critical for application performance. How It's Used: Used in enterprise storage arrays to support high-frequency transaction processing in financial institutions. Deployed in virtualization clusters to provide consistent performance for multiple virtual machines in data centers. Integrated into rack-mounted servers for real-time analytics workloads requiring fast sequential and random data access. Utilized in database servers managing large-scale inventory or customer information for retail and manufacturing sectors. Implemented in high-performance computing environments where rapid data retrieval supports complex simulations or modeling tasks. This drive’s design supports operational efficiency by delivering high-speed data throughput in critical server applications. Its robust performance characteristics facilitate scalability in storage solutions, ensuring enterprise IT infrastructures maintain responsiveness under demanding workloads.

ST318453LW0020T Seagate 18.4GB 15K RPM Ultra320 SCSI 3.5-inch HDD

Product Overview

General Information

Technical Information

Physical Characteristics

Product Description

Use Cases