Seagate Barracuda XT Barracuda XT Series SATA Product Manual - Page 10

Drive Specifications 2.0 Drive Specifications www.seagate.com 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: ST33000651AS ST32000641AS 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. Table 1 Drive specifications summary for 3000GB and 2000GB models Drive specification ST33000651AS Formatted capacity (512 bytes/sector)* Guaranteed sectors Heads Disks Bytes per sector Default sectors per track Default read/write heads Default cylinders Recording density Track density(avg) Areal density (avg) Spindle speed Internal data transfer rate (max) Sustained data transfer rate OD(max) I/O data-transfer rate (max) ATA data-transfer modes supported Cache buffer Height (max) Width (max) Length (max) Weight (typical) Average latency Power-on to ready (typical) Standby to ready (typical) Startup current (typical) 12V (peak) Voltage tolerance (including noise) Operating temperature (Drive Case temperature) Nonoperating temperature (Ambient) Temperature gradient (max) Relative humidity Relative humidity gradient (max) Wet bulb temperature (max) 3000GB (3TB) 5,860,533,168 10 5 512 63 16 16,383 1941 kb/in 270 ktracks/in 488Gb/in2 7200 RPM 1900Mb/s 149MB/s 600MB/s PIO modes: 0 to 4 Multiword DMA modes: 0 to 2 Ultra DMA modes 0 to 6 64MB 26.1mm / 1.028 in 101.85mm / 4.010 in 146.99mm / 5.787 in 700g / 1.543 lb 4.16ms 18s 18s 2.0A 5V + 5% 12V + 10% 0° to 60°C -40° to 70°C 20°C per hour max (operating) 30°C per hour max (nonoperating) 5% to 95% (operating) 5% to 95% (nonoperating) 30% per hour 37.7°C max (operating) 40.0°C max (nonoperating) ST32000641AS 2000GB (2TB) 3,907,029,168 8 4 512 63 16 16,383 1721 kb/in 240 ktracks/in 347Gb/in2 7200 RPM 1300Mb/s 138MB/s 600MB/s PIO modes: 0 to 4 Multiword DMA modes: 0 to 2 Ultra DMA modes 0 to 6 64MB 26.1mm / 1.028 in 101.85mm / 4.010 in 146.99mm / 5.787 in 700g / 1.543 lb 4.16ms 15s 15s 2.8A 5V + 5% 12V + 10% 0° to 60°C -40° to 70°C 20°C per hour max (operating) 30°C per hour max (nonoperating) 5% to 95% (operating) 5% to 95% (nonoperating) 30% per hour 37.7°C max (operating) 40.0°C max (nonoperating) 10 Barracuda XT SATA Product Manual, Rev. D