Seagate DB35.2, Product Manual

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4 DB35.2 Serial ATA Product Manual, Rev. C
Table 1: Drive specifications for 500 and 400 Gbyte models
Drive specification ST3500841SCE ST3400833SCE
Formatted Gbytes (512 bytes/sector)* 500 400
Guaranteed sectors 976,773,168 781,422,768
Bytes per sector 512
Default sectors per track 63
Default read/write heads 16
Default cylinders 16,383
Recording density in BPI (kbits/inch max) 790.1
Track density TPI (ktracks/inch avg) 124.5
Areal density (Gbits/inch
2
avg) 97.96
Spindle speed (RPM) 7,200
Internal data transfer rate (Mbits/sec max) 815.2
Sustained transfer rate (Mbytes/sec max) 65
I/O data transfer rate (Mbytes/sec max) 300
ATA data-transfer modes supported PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
SATA data-transfer modes supported 3.0 Gbits/sec
1.5 Gbits/sec
Cache buffer 8 Mbytes
Height (max) 26.1 mm (1.028 inches)
Width (max) 101.6 mm (4.000 inches) +/-0.010 inches
Length (max) 146.99 mm (5.787 inches)
Weight (max) grams 710 grams
Average latency (msec) 4.16
Power-on to ready (typical) 16 sec
Standby to ready (typical) 16 sec
Track-to-track seek time (msec typical) <0.8 (read), <1.0 (write)
Average seek (msec typical) 18 (read), 20 (write)
Startup current (typical) 12V (peak) 2.0 amps
Seek power (typical) 12.60 watts
Operating (Consumer Storage Profile) 9.20 watts
Operating (PVR Storage Profile) 4.88 watts
Idle mode (typical) 8.00 watts
Standby mode (typical) 0.800 watts
Sleep mode (typical) 0.800 watts
Voltage tolerance
(including noise) 5V ± 5%
12V ± 10%
Ambient temperature 0° to 60°C (operating)
–40° to 70°C (nonoperating)
Temperature gradient
(°C per hour max) 20°C (operating)
30°C (nonoperating)
Relative humidity 5% to 90% (operating)
5% to 95% (nonoperating)
Relative humidity gradient 30% per hour max
Wet bulb temperature
(°C max)
37.7 (operating)
40.0 (nonoperating)
Altitude, operating –60.96 m to 3,048 m
(–200 ft to 10,000
+
ft)