HD321KJ Samsung 3.5″ hard drive with a storage capacity of 320GB and featuring a SATA interface. HD321KJ Samsung SpinPoint 320GB 7200RPM SATA 3GB/s 3.5-inch 16MB Cache Hard Drive.

All information about the Samsung HD321KJ hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.

Samsung HD321KJ Technical Details:

• Hard Disk Model: SAMSUNG HD321KJ
• Disk Family: SpinPoint T166
• Form Factor: 3.5″
• Capacity: 320 GB (320 x 1 000 000 000 bytes)
• Number Of Disks: 2
• Number Of Heads: 4
• Rotational Speed: 7200 RPM
• Rotation Time: 8.33 ms
• Average Rotational Latency: 4.17 ms
• Disk Interface: Serial-ATA/300
• Buffer-Host Max. Rate: 300 MB/seconds
• Buffer Size: 16384 KB
• Drive Ready Time (typical): 10 seconds
• Average Seek Time: 8.9 ms
• Track To Track Seek Time: 0.8 ms
• Full Stroke Seek Time: 18 ms
• Width: 101.6 mm (4.00 inch)
• Depth: 146.05 mm (5.75 inch)
• Height: 25.4 mm (1.00 inch)
• Weight: 512 grams (1.13 pounds)
• Acoustic (Idle): 2.7 Bel
• Acoustic (Min performance and volume): 2.8 Bel
• Acoustic (Max performance and volume): 2.8 Bel
• Required Power For Spinup: 2250 mA
• Power Required (Seek): 9.5 W
• Power Required (Idle): 7.7 W
• Power Required (Standby): 0.90 W
• Manufacturer: Samsung

Samsung HD321KJ Hard Drives:

• HD321KJ, HD321KJ/D, FW CP100-13, T166S, Samsung 320GB SATA 3.5″ Hard Drive
• HD321KJ, HD321KJ, FW CP100-10, T166S, Samsung 320GB SATA 3.5″ Hard Drive
• HD321KJ, HD321KJ/D, FW CP100-12, T166S, Samsung 320GB SATA 3.5″ Hard Drive
• HD321KJ, HD321KJ/D, FW CP100-11, T166S, Samsung 320GB SATA 3.5″ Hard Drive

Samsung HD321KJ 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 HD321KJ Data Recovery & HDD Repair:

When it comes to data recovery one of the most common problems Samsung HD321KJ 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:
BF41-00133A, etc.