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The Seagate Momentus 5400.4
The Seagate Momentus 5400.4 hard drive looks like any other 2.5" notebook hard drive, with a label on the top plate and an uncovered PCB on the underside.
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The label has a lot of important information, like the hard drive model, capacity and serial number. There are also interesting details like its date and place of manufacture. This particular drive was manufactured in China in 2008. The underside is totally bare of any surface-mounted components. They are all located on the reverse side of the PCB.
Specifications
Model |
• ST9250827AS |
Formatted Capacity |
• 250,059 MB |
Guaranteed Sectors |
• 488,397,168 |
Bytes Per Sector |
• 512 bytes |
Sectors Per Track |
• 63 |
Cylinders |
• 16,383 |
Platters |
• 2 Platters |
Read/Write Heads |
• 4 Read/Write Heads |
Recording Method |
• Perpendicular |
Interleave |
• 1 : 1 |
Spindle Speed |
• 5,400 RPM |
Cache Buffer |
• 8 MB SDRAM |
Internal Data Transfer Rate |
• 58 MB/s (sustained) |
Maximum I/O Transfer Rate |
• 3.0 Gbits/s |
Average Seek |
• 12.0 ms (read) |
Average Latency |
• 5.6 ms |
Drive Ready Time |
• 14.5 seconds (average) |
Interface |
• Serial ATA 3.0Gb/s |
Supported SATA Data Transfer Mode |
• 3.0 Gbits/s |
SATA Hotplug Capability |
• Yes |
Maximum Height |
• 9.5 mm (0.374 inches) |
Maximum Width |
• 69.85 mm (2.75 inches) |
Maximum Length |
• 100.5 mm (3.957 inches) |
Maximum Weight |
• 102 g (0.225 lbs) |
Power Requirements |
• +5V DC ± 5 % |
Power Consumption |
• 2.0 W (Read) |
Ambient Temperature |
• 0 °C to 60 °C
(Operating) |
Maximum Shock |
• 325 G @ 2 ms (Read/Write) |
Drive Acoustics |
• 24 dBA average (Idle Mode) |
Non-Recoverable Read Errors |
• 1 error per 1014 bits read |
Load/Unload Cycles |
• 600,000 (minimum) |
MTBF |
• NA |
Warranty |
• 5 Years Limited Warranty (OEM or Retail) |
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