HN-M640MBB Samsung 2.5″ hard drive with a storage capacity of 640GB and featuring a SATA interface. HN-M640MBB Samsung Spinpoint M8 640GB 8MB Cache 5400RPM SATA 3Gbps 2.5-inch Internal Hard Drive.
All information about the Samsung HN-M640MBB hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.
Samsung HN-M640MBB Technical Details:
- Hard Disk Model: SAMSUNG HN-M640MBB
- Disk Family: SpinPoint M8
- Form Factor: 2.5″
- Capacity: 640 GB (640 x 1 000 000 000 bytes)
- Number Of Disks: 2
- Number Of Heads: 3
- Rotational Speed: 5400 RPM
- Rotation Time: 11.11 ms
- Average Rotational Latency: 5.56 ms
- Disk Interface: Serial-ATA/300
- Buffer-Host Max. Rate: 300 MB/seconds
- Buffer Size: 8192 KB
- Drive Ready Time (typical): 4 seconds
- Average Seek Time: 12 ms
- Width: 69.75 mm (2.75 inch)
- Depth: 100.3 mm (3.95 inch)
- Height: 9.5 mm (0.37 inch)
- Weight: 107 grams (0.24 pounds)
- Acoustic (Idle): 2.4 Bel
- Acoustic (Min performance and volume): 2.6 Bel
- Acoustic (Max performance and volume): 2.6 Bel
- Required Power For Spinup: 1000 mA
- Power Required (Seek): 2.4 W
- Power Required (Idle): 0.85 W
- Power Required (Standby): 0.25 W
- Manufacturer: Samsung
Samsung HN-M640MBB Hard Drives:
- ST640LM001, HN-M640MBB/M, FW 2AR10002, SSNE, Samsung 640GB SATA 2.5″ Hard Drive
- HN-M640MBB, HN-M640MBB, FW 2AR10001, Samsung 640GB SATA 2.5″ Hard Drive
- ST640LM001, HN-M640MBB/M, FW 2AR10002, SSSE, Samsung 640GB SATA 2.5″ Hard Drive
- ST640LM001, HN-M640MBB, FW 2AR10002, Samsung 640GB SATA 2.5″ Hard Drive
- ST640LM001, HN-M640MBB/VAO, FW 2AR10002, Samsung 640GB SATA 2.5″ Hard Drive
Samsung HN-M640MBB Failure Symptoms:
- Electrical Failure Symptoms:
Drive is powered, but shows no sign of function;
Disk knocking as the motor fails to spin;
Clicking sound as the heads search or initialize; - Mechanical Failure Symptoms:
Clicking, grinding sounds;
Completely quiet due to ” motor freeze”;
“music” tone as the disk is powered up; - Logical Failure Examples:
Accidental deletion, accidental format, file corruption, software bugs, file system corruption, viruses and malware, and many, many more. - Firmware Failure Symptoms:
drive powers up, but is not recognised by the computer;
Drive powers up, but is recognised wrongly, sometimes with nonsensical characters;
Drive freezes during booting up; - Bad Platter Area Symptoms:
Hard disk still accessible but appear to “hang” or “sluggish”;
Constant Cyclic Redundancy (CRC) errors;
Unable to access folders or files which could be seen; - Complex Failure Model
Samsung HN-M640MBB Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems Samsung HN-M640MBB Hard Disk Drive experience is burnt circuit board(PCB). So if you will need to match a replacement PCB, it is important that you note the “Board Number” of your current circuit board in addition to the hard drive’s “Model Number“.
Multiple PCB Number revisions:
BF41-00354A, etc.