Seagate ST500NM0001 Constellation ES (.1) SATA Product Manual - Page 11
Drive specifications
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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: Standard models ST2000NM0011 ST1000NM0011 ST500NM0011 Self-Encrypting Drive (SED) models ST2000NM0031 ST1000NM0031 ST500NM0031 FIPS 140-2 Level 2 models ST2000NM0051 ST1000NM0051 ST500NM0051 2.1 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 (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 ST2000NM0011 ST2000NM0031 ST2000NM0051 2TB 3,907,029,168 8 4 512 63 16 16,383 1523 237 324 7200 1300 147 600 PIO modes 0-4 Multiword DMA modes 0-2 Ultra DMA modes 0-6 64MB ST1000NM0011 ST1000NM0031 ST1000NM0051 1TB 1,953,525,168 4 2 ST500NM0011 ST500NM0031 ST500NM0051 500GB 976,773,168 2 1 Constellation ES Serial ATA Product Manual, Rev. D 5