Cheetah 9LP Installation Guide, Rev. B

17

Characteristics

ST39102LW/LC

ST34502LW/LC

Interface

Ultra2 SCSI1

Ultra2 SCSI1

Capacity

 

 

Unformatted (Gbytes)

11.27

5.63

Formatted (Gbytes)2

9.17

4.55

Recording

 

 

Cylinders (user)

6,962

6,962

Read/write data heads

12

6

Avg bytes/track

104,840-159,008

104,840-159,008

Access time3

 

 

Average read (msec)

5.4

5.4

Average write (msec)

6.2

6.2

Disc rotation

 

 

RPM

10,025

10,025

Average latency (msec)

2.99

2.99

Synchronous data transfer rate

 

 

Maximum instantaneous

40 (SE mode)

40 (SE mode)

(Mbytes/sec)

80 (LVD mode)

80 (LVD mode)

Asynchronous data transfer

 

 

rate

 

 

Maximum instantaneous

10.0

10.0

(2 bytes wide) (Mbytes/sec)

 

 

Multi-segmented cache

1,024 standard

1,024 standard

(kbytes)

4,096 optional

4,096 optional

1.Also operates per SCSI-1/SCSI-2/SCSI-3 protocols.

2.The specified formatted capacities are calculated with the standard OEM sector size (512 bytes per logical block) and sparing.

3.Includes on-board controller overhead.

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Image 19
Seagate manual Characteristics ST39102LW/LC ST34502LW/LC

ST39102LW/LC, ST34502LW/LC specifications

The Seagate ST34502LW/LC and ST39102LW/LC are part of Seagate's esteemed range of hard disk drives, designed primarily for enterprise applications where reliability, performance, and scalability are paramount. These drives belong to the 7200 RPM class, providing a blend of speed and efficiency that facilitates high-throughput data processing necessary for demanding workloads.

One of the key features of the Seagate ST34502LW/LC and ST39102LW/LC is their storage capacity. The ST34502LW/LC offers a capacity of 4.5 GB, while the ST39102LW/LC comes with a slightly larger capacity of 9.1 GB. This substantial storage capability allows businesses to manage vast amounts of data effectively, fitting seamlessly into storage arrays and servers that require large data management systems.

Both models utilize the SCSI interface, which is widely recognized for its robustness and reliability in enterprise environments. The SCSI interface provides a high-speed data transfer rate, ensuring that data can be accessed and processed quickly. These drives are also designed with an average seek time of 9.0 milliseconds, ensuring efficient retrieval of data.

Another significant characteristic of the Seagate ST34502LW/LC and ST39102LW/LC is their advanced error recovery features. They are equipped with Seagate's Adaptive Fault Tolerance and Error Correction Codes (ECC), which helps to minimize data loss and enhance data integrity. This added layer of protection is essential for mission-critical applications where data accuracy is non-negotiable.

The drives feature a 3.5-inch form factor, making them suitable for a wide variety of enterprise chassis configurations. Their design incorporates a low power consumption mode, which is crucial for data centers aiming to reduce energy costs and improve overall efficiency. The drives are also subject to rigorous testing to ensure they meet Seagate's high reliability standards, making them a trusted choice for data centers and businesses.

In summary, the Seagate ST34502LW/LC and ST39102LW/LC hard drives are designed to meet the demanding requirements of enterprise environments. With robust capacities, reliable performance, and advanced features, these drives represent a solid investment for organizations looking to enhance their data storage capabilities while ensuring operational efficiency. Their reliability and efficiency make them an ideal choice for various applications, from high-performance computing to large-scale storage solutions.