Seagate ST320LT007 Momentus Thin (4K) 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 all models. 3.1 Specification summary table The specifications listed in this table are for quick reference. For details on specification measurement or definition, see the appropriate section of this manual Table 1: Drive specifications Drive specification ST320LT020 - 9YG142 ST250LT003 - 9YG14C Formatted capacity (GB)* 320 250 Guaranteed logical blocks (LBA) 625,142,448 488,397,168 Bytes per physical sector 4096 Physical read/write heads 2 Disks 1 Cache (MB) 16 Recording density in BPI (bits/in avg) 1397k Track density TPI (tracks/in avg) Areal density (Gb/in2 avg) 315k 425 Spindle speed (RPM) 5400 Average latency (ms) 5.6 Internal transfer rate (Mb/s max) 1044 I/O data transfer rate (Gb/s max) 3.0 ATA data-transfer modes supported SATA 1.0, Serial ATA Revision 2.6 PIO modes 0-4 Multiword DMA modes 0-2 Ultra DMA modes 0-6 Height (max) 7.0 mm (0.276 in) Width (max) 70.10 mm (2.76 in) Length (max) 100.55 mm (3.959 in) Weight (max)