HM640JJ Samsung SpinPoint 640GB 7200RPM SATA-300 16MB Cache 2.5-inch Hard Drive
$191.32
| MPN: | hm640jj |
| Manufacturer: | Samsung |
| Detail: |
HM640JJ Samsung SpinPoint 640GB 7200RPM SATA-300 16MB Cache 2.5-inch Hard Drive
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| Price: | $191.32 |
| Availability: | In Stock |
| Quantity |
General Information
The HM640JJ Samsung SpinPoint hard drive has a storage capacity of 640GB and operates at a speed of 7200RPM. It uses a SATA-300 interface with a 16MB cache buffer for improved data transfer rates and efficient data access. The drive has a 2.5-inch form factor and is suitable for use in laptops, external hard drives, and other small form factor computing devices.
Technical Specs
| Manufacturer | Samsung |
| Manufacturer Part # | HM640JJ |
| HDD capacity | 640 GB |
| HDD speed | 7200 RPM |
| Interface | Serial ATA II |
| Storage drive buffer size | 16 MB |
| Average seek time | 11 ms |
| Operating temperature (T-T) | 5 - 55 °C |
| Storage temperature (T-T) | -40 - 70 °C |
| Operating vibration | 1.5 G |
| Operating altitude | -300 - 3000 m |
| Non-operating altitude | -400 - 15000 m |
| Operating shock | 325 G |
| Non-operating shock | 900 G |
| Width | 69.8 mm |
| Height | 9.5 mm |
| Depth | 100.3 mm |
| Weight | 119 g |
| Ethernet LAN | no |
| Internal | yes |
| Data transfer rate | 3 Gbit/s |
| USB powered | no |
| Drive device, transfer rate | 300 MB/s |
| Drive ready time | 4 s |
| FireWire 400 | no |
| FireWire 800 | no |
| Fibre Channel | no |
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