HM641JI Samsung 2.5″ hard drive with a storage capacity of 640GB and featuring a SATA interface. HM641JI/Y Samsung 640GB 5400RPM SATA 3Gb/s 2.5-inch Hard Drive.

All information about the Samsung HM641JI hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Samsung HM641JI Technical Details:

• Hard Disk Model: SAMSUNG HM641JI
• Disk Family: SpinPoint M7E
• Form Factor: 2.5″
• Capacity: 640 GB (640 x 1 000 000 000 bytes)
• Number Of Disks: 2
• Number Of Heads: 4
• 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: 69.85 mm (2.75 inch)
• Depth: 100 mm (3.94 inch)
• Height: 9.5 mm (0.37 inch)
• Weight: 105 grams (0.23 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 HM641JI Hard Drives:

• HM641JI, HM641JI/D, FW 2AJ10003, Samsung 640GB SATA 2.5″ Hard Drive
• ST640LM000, HM641JI/M, FW 2AJ10003, SSNE, Samsung 640GB SATA 2.5″ Hard Drive
• HM641JI, HM641JI/M, FW 2AJ10003, SSSE, Samsung 640GB SATA 2.5″ Hard Drive
• HM641JI, HM641JI/M, FW 2AJ10003, SSNE, Samsung 640GB SATA 2.5″ Hard Drive
• ST640LM000, HM641JI/VA3, FW 2AJ10003, Samsung 640GB SATA 2.5″ Hard Drive
• ST640LM000, HM641JI, FW 2AJ10001, Samsung 640GB SATA 2.5″ Hard Drive
• HM641JI, HM641JI/D, FW 2AJ10001, Samsung 640GB SATA 2.5″ Hard Drive
• HM641JI, HM641JI/SON, FW 2AJ10001, Samsung 640GB SATA 2.5″ Hard Drive
• HM641JI, HM641JI/VAO, FW 2AJ10002, Samsung 640GB SATA 2.5″ Hard Drive
• HM641JI, HM641JI/S11, FW 2AJ100P5, Samsung 640GB SATA 2.5″ Hard Drive
• HM641JI, HM641JI/SCC, FW 2AJ10002, Samsung 640GB SATA 2.5″ Hard Drive
• HM641JI, HM641JI/M, FW 2AJ10002, Samsung 640GB SATA 2.5″ Hard Drive
• HM641JI, HM641JI/M, FW 2AJ10002, SSSS, Samsung 640GB SATA 2.5″ Hard Drive
• HM641JI, HM641JI/JP2, FW 2AJ10001, Samsung 640GB SATA 2.5″ Hard Drive
• ST640LM000, HM641JI/M, FW 2AJ10003, SSNE, Seagate 640GB SATA 2.5″ Hard Drive

Samsung HM641JI 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 HM641JI Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Samsung HM641JI 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:
BF41-00315A, BF41-00306A, etc.