Word

Description

Value

 

 

 

 

 

 

Total number of user-addressable LBA sectors available

 

 

 

(see Section 2.1 for related information)

 

 

60–61

*Note: The maximum value allowed in this field is: 0FFFFFFFh

0FFFFFFFh*

 

(268,435,455 sectors, 137 Gbytes). Drives with capacities over 137

 

 

Gbytes will have 0FFFFFFFh in this field and the actual number of

 

 

 

user-addressable LBAs specified in words 100-103. This is required

 

 

 

for drives that support the 48-bit addressing feature.

 

 

 

 

 

 

62

Retired

0000H

 

63

Multiword DMA active and modes supported (see note following this

xx07H

 

table)

 

 

 

 

 

64

Advanced PIO modes supported (modes 3 and 4 supported)

0003H

 

65

Minimum multiword DMA transfer cycle time per word (120 nsec)

0078H

 

66

Recommended multiword DMA transfer cycle time per word (120

0078H

 

nsec)

 

 

 

 

 

67

Minimum PIO cycle time without IORDY flow control (240 nsec)

00F0H

 

68

Minimum PIO cycle time with IORDY flow control (120 nsec)

0078H

 

69–74

ATA-reserved

0000H

 

75

Queue depth

0000H

 

76

Serial ATA capabilities

xxxxH

 

77

Reserved for future Serial ATA definition

xxxxH

 

78

Serial ATA features supported

xxxxH

 

79

Serial ATA features enabled

xxxxH

 

80

Major version number

003EH

 

81

Minor version number

0000H

 

82

Command sets supported

364BH

 

83

Command sets supported

7C03H

 

84

Command sets support extension

4003H

 

85

Command sets enabled

30xxH

 

86

Command sets enabled

0001H

 

87

Command sets enable extension

4000H

 

88

Ultra DMA support and current mode (see note following this table)

xx3FH

 

89

Security erase time

0000H

 

90

Enhanced security erase time

0000H

 

92

Master password revision code

FFFEH

 

93

Hardware reset value (see description following this table)

xxxxH

 

95–99

ATA-reserved

0000H

 

 

 

ST31000340AS =1,953,525,168

 

Total number of user-addressable LBA sectors available (see Section

ST31000640AS =1,953,525,168

 

ST3750330AS = 1,465,149,168

 

2.1 for related information). These words are required for drives that

100–103

ST3750630AS = 1,465,149,168

support the 48-bit addressing feature. Maximum value:

 

ST3500320AS =

976,773,168

 

0000FFFFFFFFFFFFh.

 

ST3500620AS =

976,773,168

 

 

 

 

ST3500820AS =

976,773,168

 

 

 

 

104–127

ATA-reserved

0000H

 

Barracuda 7200.11 Serial ATA Product Manual, Rev. C

29

Page 35
Image 35
Seagate ST31000340AS, ST31000640AS, ST3750330AS, ST3750630AS, ST3500820AS, ST3500620AS, ST3500320AS manual Xx07H

ST3500820AS, ST3500320AS, ST3500620AS, ST31000640AS, ST31000340AS specifications

Seagate has long been a prominent player in the hard drive industry, and its line of SATA drives, including the ST3640330AS, ST3750330AS, ST3750630AS, ST31000340AS, and ST31000640AS, showcases a blend of performance, reliability, and advanced technology. These drives cater to various user needs, from consumer desktops to enterprise applications.

The ST3640330AS and ST3750330AS models are designed with a 7200 RPM spinning speed, ensuring fast data throughput for gaming, multimedia, and everyday computing tasks. With a SATA interface and compatibility with the latest systems, these drives are ideal for users seeking efficient storage solutions. The ST3640330AS provides 640 GB of storage, while the ST3750330AS boasts a generous 750 GB capacity, offering ample space for large files and applications.

Moving to the ST3750630AS, this model continues the trend of high performance, offering 750 GB of storage but enhanced with Seagate’s advanced error-correcting technology. It also features an updated cache architecture that optimizes read and write speeds while minimizing latency. This drive is particularly beneficial for users who require reliable backups and quick access to data.

The ST31000340AS and ST31000640AS are both part of Seagate’s 1 TB series and are engineered for durability and longevity. The ST31000340AS features traditional SATA technology, providing users with a balance between cost and performance. On the other hand, the ST31000640AS integrates improved power management features that result in lower energy consumption without compromising performance. This makes it a suitable choice for environmentally-conscious consumers or businesses looking to reduce operational costs.

All models feature Seagate's proprietary technologies such as SoftSonic drives, which result in quieter operation, and advanced power management capabilities that extend the lifespan of the hard drives. They are equipped with robust error recovery and data security features, ensuring data integrity and protecting against data loss.

Overall, the Seagate ST3640330AS, ST3750330AS, ST3750630AS, ST31000340AS, and ST31000640AS drives represent a comprehensive range of storage solutions that combine capacity, speed, and cost-effectiveness, making them a popular choice for a variety of users, from casual consumers to demanding enterprise environments.