Seagate 7200.7 Plus, ST3120022A, ST3120026A, ST3160021A, ST3160023A, ST340014A, ST360014A, ST380011A, ST380013A 2.5 Recording and interface technology, 2.6 Physical characteristics

6 Barracuda 7200.7 Product Manual, Rev. E

2.5 Recording and interface technology2.6 Physical characteristics

Interface ATA

Recording method 16/17 EPRML

Recording density BPI (bits/inch max) 595,000

Track density TPI (tracks/inch max) 94,600

Areal density (Mbits/inch2 max) 56.3

Spindle speed (RPM) (± 0.2%) 7,200

Internal data-transfer rate OD (Mbytes/sec max) 85.4

Sustained data transfer rate OD (Mbytes/sec max) 58

I/O data-transfer rate (Mbytes/sec max) 100 (Ultra DMA mode 5)

Interleave 1:1

Cache buffer

ST3160021A, ST3120022A, ST380011A, ST360014A, and ST340014A 2 Mbytes (2,048 kbytes)

ST3160023A, ST3120026A, and ST380013A 8 Mbytes (8,192 kbytes)

Drive specification

Maximum height

(mm)

(inches) 26.035

1.028

Maximum width

(mm)

(inches) 101.6

4.00

Maximum length

(mm)

(inches) 146.99

5.787

Typical weight

(grams)

(pounds) 635

1.4

Contents

Main Page Users Page Page Page Contents Page Page Page 1.0 Introduction Page Barracuda 7200.7 Product Manual, Rev. E 3 2.0 Drive specifications 2.1 Specification summary table 4 Barracuda 7200.7 Product Manual, Rev. E 2.2 Formatted capacity 2.3 Default logical geometry 2.4 Physical organization 6 Barracuda 7200.7 Product Manual, Rev. E 2.5 Recording and interface technology 2.6 Physical characteristics 2.7 Seek time 2.8 Start/stop times 2.9 Power specifications Page Barracuda 7200.7 Product Manual, Rev. E 9 2.9.1.1 Typical current profile Figure 1. Typical 12V startup and operation current profile Figure 1. Typical 5V startup and operation current profile Page 2.10 Environmental specifications 2.11 Acoustics Barracuda 7200.7 Product Manual, Rev. E 13 2.12 Electromagnetic immunity 2.13 Reliability Table 1: Fluid Dynamic Bearing (FDB) motor acoustics 2.14 Agency certification Page Page 3.0 Configuring and mounting the drive 3.1 Handling and static discharge precautions 3.2 Breather filter hole precautions 3.3 Jumper settings 3.4 Drive mounting Barracuda 7200.7 Product Manual, Rev. E 21 Notes: Figure 1. Mounting dimensionstop, side and end view 1. Dimensions are shown in inches (mm). 2 Dimensions per SFF-8301 specification. Page 4.0 ATA interface 4.1 ATA interface signals and connector pins 24 Barracuda 7200.7 Product Manual, Rev. E Figure 1. I/O pins and supported ATA signals Barracuda 7200.7 Product Manual, Rev. E 25 26 Barracuda 7200.7 Product Manual, Rev. E Barracuda 7200.7 Product Manual, Rev. E 27 28 Barracuda 7200.7 Product Manual, Rev. E Barracuda 7200.7 Product Manual, Rev. E 29 Note. Note. 30 Barracuda 7200.7 Product Manual, Rev. E Page Page 5.0 Seagate Technology support services Online Services Internet mySeagate reseller.seagate.com Presales, Technical Support and Customer Service Presales Support Technical Support Authorized Service Centers USA/Canada/Latin America Support Services European Support Services Toll-Free Support Numbers FAX ServicesAll European Countries (toll call) Africa/Middle East Support Services Asia/Pacific Support Services Index Numerics A B C I J K L M T U V W

Seagate 2.5 Recording and interface technology, 2.6 Physical characteristics

Models: 7200.7 Plus ST3120022A ST3120026A ST3160021A ST3160023A ST340014A ST360014A ST380011A ST380013A

6 Barracuda 7200.7 Product Manual, Rev. E