Seagate ST2000NM0031 Constellation ES SATA Product Manual - Page 10
Drive specifications
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3.0 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: ST32000644NS ST31000524NS ST3500514NS 3.1 Specification summary tables The specifications 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 Drive specification Formatted (512 bytes/sector)* Guaranteed sectors Heads Discs Bytes per sector Default sectors per track Default read/write heads Default cylinders Recording density, KBPI (Kb/in max) Track density, KTPI (ktracks/in avg.) Areal density, (Gb/in2 avg) Spindle speed (RPM) Internal data transfer rate (Mb/s max) Sustained data transfer rate OD (MB/s max) I/O data-transfer rate (MB/s max) ATA data-transfer modes supported Cache buffer Weight: (maximum) Average latency Power-on to ready (sec max) Standby to ready (sec max) ST32000644NS 2TB 3,907,029,168 8 4 512 63 16 16,383 1421 240 347 7200 1300 140 300 PIO modes 0-4 Multiword DMA modes 0-2 Ultra DMA modes 0-6 64MB 710g (1.565 lb) 4.16ms 15 15 ST31000524NS 1TB 1,953,525,168 4 2 32MB 640g (1.411 lb) 10 10 ST3500514NS 500GB 976,773,168 2 1 610g (1.345 lb) 7 7 4 Constellation ES Serial ATA Product Manual, Rev. G