Seagate Spinpoint M8 - 640GB 5400RPM SATA II 3Gb/s 8MB Cache 2.5" 9.5mm Laptop Hard Drive - ST640LM001


The Seagate ST640LM001 has been Discontinued. Replacement option is the ST1000LM048.

Warranty90 Day Warranty
AvailabilityYes - Ships in 1 to 2 Days
ManufacturerSeagate Technology / Samsung Corporation
SeriesSeagate Momentus / Formerly Samsung Spinpoint M8
UPC Code7636490035760

Product Specs

Product Specs
Capacity640 GB
Spindle Speed5400 RPM Fluid Dynamic (FDB) Motor
Cache Buffer8 MB Intelligent Caching
Advanced FormatYes (logical 512e / physical 4096)
Form Factor2.5 Inch Internal Hard Drive
InterfaceSATA II 3Gb/sec (Generation 2)
Interface Speed3Gb/sec - Data Transfer Rate (max) Buffer to Host
Data Transfer Rateup to 145MB/sec Host to/from Drive (Sustained)
Interface ConnectorSATA (7-Pin Signal and 15-Pin Power Connector)
Recording TechnologyPerpendicular Magnetic Recording (TuMR/PMR) Technology
Life Expectancy500,000 Hours MTTF (Mean Time To Failures)
Workload Rating< 55 TB/yr (Workload Rate Limit) / 600,000 (Load/Unload Cycles)
Shock ResistanceOperating: 325Gs (2ms) / Non Operating: 750Gs (1ms)
Rohs CompliantYes
Dimensions(L x W x H) 100.35mm x 69.85mm x 9.5mm
Part NumberHN-M640MBB
ClassificationMainstream Drives

Key Features

  • Capacities up to 1TB
  • 5400 RPM Rotational Speed
  • Low Power Consumption
  • SATA II 3Gb/s Interface
  • Advanced Format, 4K Sector Size
  • 512 byte Emulation (512e)
  • Read Multiple and Write Multiple Command Support
  • Whisper Quiet with Fluid Dynamic Bearing (FDB) Motors
  • Native Command Queuing (NCQ) Technology
  • Full-track Multiple-Sector Transfer Capability
  • State-of-the-Art Cache and On-the-Fly Error-Correction Algorithms
  • Staggered Spin-up Technology
  • NoiseGuards Technology
  • SilentSeek Technology
  • TuMR/PMR Head with FOD Technology

Spinpoint M8 Mobile SATA Drive

Wings on your mobile. Samsung's Spinpoint M8 series employs advanced format technology (AF) that raises the data storage density per unit area, enabling efficient and convenient data storage. It operates on a high performance 3 gigabits per second SATA interface, provides an eight megabyte buffer memory and incorporates EcoSeek and NoiseGuard features for minimal noise levels. A redesign of the overall structure ensures enhanced shock resistance to protect the disc from physical fracture and data loss. Fast and reliable with a 5400rpm spin speed and 8MB buffer, Samsung's Spinpoint M8 series is the perfect choice for use in mobile computing applications such as notebooks.

    Huge Capacity. Small Size.

  • 9.5mm, 2.5-inch drive from Seagate now supports up to 1TB of data in a two-and three-disk design.
  • Standard 9.5mm form factor supported by a SATA 3Gb/s interface for easy integration into existing laptops.

    Best-Fit Applications

  • Laptops and Notebooks
  • Convertible and Detachable Laptops
  • Slim Consumer Electronics Devices
  • Small Form Factor Desktops
  • All-in-One PCs
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