Seagate Momentus ST9500325AS SATA Hard Disk Drives

Capacity: 500GB
Spindle Speed: 5,400RPM
Interface Type: SATA
Disk Size: 2.5″x9mm (Fits in ALL laptops)
Sustained Throughput (MBps): 95
Average Seek Time (read/write ms): 14 / 14
Electrical Interface Speed: SATA 300 – 3.0Gbps
On-Board Cache: 8MB

The Momentus family of 2.5-inch laptop drives offers innovative options and features, such as capacity up to 500GB, two different performance speeds, and three significant features.

Key Features and Benefits

• Seagate SmartAlign™ technology provides a transition to 4K SECTORS without the need for software utilities.
• Seagate Self-Encrypting Drives deliver government-grade encryption without performance degradation—protecting your data where it lives. The FIPS 140-2* options are NIST government-certified for both U.S. and Canadian usage with sensitive data.**
• Seagate G-Force Protection™ technology can detect when your laptop is in a free-fall, swing the drive heads to a safe ZONE and keep the data safe.
• 7200-RPM and 5400-RPM speeds for customized performance, and 8MB and 16MB cache size to enhance your application performance
• 750, 640, 500, 320, 250 and 160GB models for 5400-RPM drives for high-capacity to entry-level and mainstream systems
• 750, 500, 320, 250 and 160GB models for 7200-RPM drives for high-capacity

• Drive specification	ST9500325AS
  Formatted Gbytes (512 bytes/SECTOR)	500
  Bytes per SECTOR	512
  Spindle speed (RPM)	5400
  I/O data transfer rate (MBps)	300
  Cache buffer	8
  Interface Type	Serial ATA-300
  Average latency	5.6 ms
  Seek time (read / write) ms	14 / 14
  Track-to-track seek (read / write) ms	0.8 / 1.0
  Dimensions (HxLxW) mm	9.5 / 100.35 / 69.85
  Weight	0.098 kg
  Operating Shock (Read)	350G, 2ms
  Non-operating Shock	1000G, 1ms
  Temperature – Operating	0C -60C
  Temperature – Non-operating	-40C – 70C
  Current Requirements 12VDC (Read/Write, Idle)	3.5w / 2.6w