Brand: Samsung · SKU: HM640JJ · MPN: HM640JJ · Category: Storage

Samsung EcoGreen HM640JJ, 640 GB, 7200 RPM, 16 MB, Serial ATA II
| Depth | 100.3 mm |
|---|---|
| Width | 69.8 mm |
| Height | 9.5 mm |
| Weight | 119 g |
| Internal | Yes |
| HDD speed | 7200 RPM |
| Interface | Serial ATA II |
| USB powered | No |
| Ethernet LAN | No |
| FireWire 400 | No |
| FireWire 800 | No |
| HDD capacity | 640 GB |
| Fibre Channel | No |
| Operating shock | 325 G |
| Drive ready time | 4 s |
| Average seek time | 11 ms |
| Data transfer rate | 3 Gbit/s |
| Operating altitude | -300 - 3000 m |
| Non-operating shock | 900 G |
| Operating vibration | 1.5 G |
| Non-operating altitude | -400 - 15000 m |
| Storage drive buffer size | 16 MB |
| Storage temperature (T-T) | -40 - 70 °C |
| Drive device, transfer rate | 300 MB/s |
| Warranty | 3-Year Warranty |
| Weight | 119 g |
| Dimensions | 69.8 mm x 100.3 mm x 9.5 mm |
- Spinpoint MP4 - capacity : 640 GB - interface : Serial ATA 3.0 Gbps - buffer memory : 16 MB
Samsung EcoGreen HM640JJ. HDD capacity: 640 GB, HDD speed: 7200 RPM, Storage drive buffer size: 16 MB, Interface: Serial ATA II
Yes, this Samsung EcoGreen HM640JJ internal hard drive 640 GB 7200 RPM 16 MB Serial ATA II (HM640JJ) is 100% genuine Samsung hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Samsung EcoGreen HM640JJ internal hard drive 640 GB 7200 RPM 16 MB Serial ATA II includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the HM640JJ.