Seagate ST33000651AS Manual download pdf (Page 10)

10 Barracuda XT SATA Product Manual, Rev. D

Drive Specifications www.seagate.com

2.0 Drive Specifications

Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power.

For convenience, the phrases the drive and this drive are used throughout this manual to indicate the following

drive models:

The specification summaries listed in the following tables are for quick reference. For details on specification

measurement or definition, see the appropriate section of this manual.

ST33000651AS ST32000641AS

Table 1 Drive specifications summary for 3000GB and 2000GB models

Drive specification ST33000651AS ST32000641AS

Formatted capacity (512 bytes/sector)* 3000GB (3TB) 2000GB (2TB)

Guaranteed sectors 5,860,533,168 3,907,029,168

Heads 10 8

Disks 5 4

Bytes per sector 512 512

Default sectors per track 63 63

Default read/write heads 16 16

Default cylinders 16,383 16,383

Recording density 1941 kb/in 1721 kb/in

Track density(avg) 270 ktracks/in 240 ktracks/in

Areal density (avg) 488Gb/in

347Gb/in

Spindle speed 7200 RPM 7200 RPM

Internal data transfer rate (max) 1900Mb/s 1300Mb/s

Sustained data transfer rate OD(max) 149MB/s 138MB/s

I/O data-transfer rate (max) 600MB/s 600MB/s

ATA data-transfer modes supported PIO modes: 0 to 4

Multiword DMA modes: 0 to 2

Ultra DMA modes 0 to 6

PIO modes: 0 to 4

Multiword DMA modes: 0 to 2

Ultra DMA modes 0 to 6

Cache buffer 64MB 64MB

Height (max) 26.1mm / 1.028 in 26.1mm / 1.028 in

Width (max) 101.85mm / 4.010 in 101.85mm / 4.010 in

Length (max) 146.99mm / 5.787 in 146.99mm / 5.787 in

Weight (typical) 700g / 1.543 lb 700g / 1.543 lb

Average latency 4.16ms 4.16ms

Power-on to ready (typical) 18s 15s

Standby to ready (typical) 18s 15s

Startup current (typical) 12V (peak) 2.0A 2.8A

Voltage tolerance (including noise) 5V + 5%

12V + 10%

5V + 5%

12V + 10%

Operating temperature

(Drive Case temperature)

0° to 60°C 0° to 60°C

Nonoperating temperature (Ambient) –40° to 70°C –40° to 70°C

Temperature gradient (max) 20°C per hour max (operating)

30°C per hour max (nonoperating)

20°C per hour max (operating)

30°C per hour max (nonoperating)

Relative humidity 5% to 95% (operating)

5% to 95% (nonoperating)

5% to 95% (operating)

5% to 95% (nonoperating)

Relative humidity gradient (max) 30% per hour 30% per hour

Wet bulb temperature (max) 37.7°C max (operating)

40.0°C max (nonoperating)

37.7°C max (operating)

40.0°C max (nonoperating)

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 41 42

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