11.4.2Physical characteristics

This section defines physical interface connector.

11.4.3Connector requirements

Contact your preferred connector manufacturer for mating part information. Part numbers for SAS connectors will be provided in a future revision of this publication when production parts are available from major connector manufacturers.

The SAS device connector is illustrated in Figures 20 and 21.

11.4.4Electrical description

SAS drives use the device connector for:

DC power

SAS interface

Activity LED

This connector is designed to either plug directly into a backpanel or accept cables.

11.4.5Pin descriptions

This section provides a pin-out of the SAS device and a description of the functions provided by the pins.

Table 17

SAS pin descriptions

 

 

 

 

PIN

SIGNAL NAME

SIGNAL TYPE

 

 

 

 

 

 

S1

Port A Ground

 

 

 

 

S2*

+Port A_in

Diff. input pair

 

 

 

S3*

-Port A_in

 

 

 

 

S4

Port A Ground

 

 

 

 

S5*

-Port A_out

Diff output pair

 

 

 

S6*

+Port A_out

 

 

 

 

S7

Port A Ground

 

 

 

 

S8

Port B Ground

 

 

 

 

S9*

+Port B_in

Diff. input pair

 

 

 

S10*

-Port B_in

 

 

 

 

S11

Port A Ground

 

 

 

 

S12*

-Port B_out

Diff output pair

 

 

 

S13*

+Port B_out

 

 

 

 

S14

Port B Ground

 

 

 

 

 

 

 

*- Short pin to support hot plugging NC - No connection in the drive.

PIN

SIGNAL NAME

SIGNAL TYPE

 

 

 

 

 

 

P1*

NC (reserved 3.3Volts)

 

 

 

 

P2*

NC (reserved 3.3Volts)

 

 

 

 

P3

NC (reserved 3.3Volts)

 

 

 

 

P4

Ground

 

 

 

 

P5

Ground

 

 

 

 

P6

Ground

 

 

 

 

P7

5 Volts charge

 

 

 

 

P8*

5 Volts

 

 

 

 

P9*

5 Volts

 

 

 

 

P10

Ground

 

 

 

 

P11*

Ready LED

Open collector out

 

 

 

P12

Ground

 

 

 

 

P13

12 Volts charge

 

 

 

 

P14*

12 Volts

 

 

 

 

P15*

12 Volts

 

 

 

 

CONSTELLATION ES.3 SAS PRODUCT MANUAL, REV. B

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Seagate ST1000NM0033 manual Physical characteristics, Connector requirements, Electrical description, Pin descriptions

ST1000NM0033 specifications

The Seagate ST1000NM0033 is a high-performance hard disk drive (HDD) designed specifically for enterprise applications. With a storage capacity of 1TB, it offers a balance of performance, reliability, and efficiency, making it suitable for data centers, cloud storage, and server environments. Built with Seagate's robust engineering, the ST1000NM0033 is ideal for handling heavy workloads and intensive data processes.

One of the standout features of this HDD is its rotational speed of 7200 RPM. This speed allows for quick data access and fast read/write operations, which is essential for data-intensive applications. The drive is equipped with 64MB of cache, further enhancing its efficiency by speeding up data retrieval for frequently accessed files.

Another key characteristic of the ST1000NM0033 is its SATA interface, which typically facilitates high-bandwidth data transfer rates. With a sustained data transfer rate of up to 160 MB/s, it ensures that large files, such as videos and databases, can be transferred swiftly, minimizing downtime and improving overall system performance.

The drive's durability is backed by Seagate’s Advanced Format technology, which enhances the format compatibility, storage efficiency, and reliability of the drive through improved error correction. With a mean time between failures (MTBF) rating of 1 million hours, users can trust the STA0033 to provide exceptional longevity and stability, critical in enterprise environments where data integrity is paramount.

Furthermore, the ST1000NM0033 supports various workload types due to its design optimized for multi-user environments. The drive can handle up to 180TB/year workload rate, making it capable of supporting applications with high data demand.

Environmentally, Seagate ensures that this model is energy efficient, contributing to reduced power consumption in enterprise settings. The drive operates effectively within a specified temperature range, ensuring that it remains operational under different environmental conditions.

In summary, the Seagate ST1000NM0033 is an excellent choice for businesses seeking a reliable, high-capacity HDD with robust performance features. Its combination of speed, efficiency, durability, and capacity positions it as a strong contender in the enterprise storage solutions market. With its extensive feature set, it continues to cater to the demanding needs of modern data centers and enterprise applications.