H7420AA40SUN2.0T Hitachi 3.5″ hard drive with a storage capacity of 2TB and featuring a SATA interface.
All information about the Hitachi H7420AA40SUN2.0T hard disk drive: technical parameters, failure symptoms, frequently asked questions, reviews, HDD repair and data recovery.
Hitachi H7420AA40SUN2.0T Technical Details:
- Hard Disk Model: HGST / Sun H7420AA40SUN2.0T
- Disk Family: Hitachi Ultrastar 7K4000 / Sun Storage Series
- Form Factor: 3.5″
- Capacity: 2 TB (2,000,000,000,000 bytes)
- Rotational Speed: 7200 RPM
- Rotation Time: 8.33 ms
- Average Rotational Latency: 4.17 ms
- Disk Interface: Serial-ATA/600 (SATA III 6.0 Gb/s)
- Buffer-Host Max. Rate: 600 MB/second
- Buffer Size: 65536 KB (64 MB)
- Number of Disks (Platters): 5
- Number of Heads: 10
- Width: 101.6 mm (4.00 inch)
- Depth: 147.0 mm (5.79 inch)
- Height: 26.1 mm (1.02 inch)
- Weight: 740 grams (1.63 pounds)
- Manufacturer: HGST (a Western Digital company, Sun Microsystems / Oracle OEM)
Hitachi H7420AA40SUN2.0T Hard Drives:
- H7420AA40SUN2.0T, PN 0F20203, MLC MPKA90, Hitachi 2TB SATA 3.5″ Hard Drive
Hitachi H7420AA40SUN2.0T 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
Hitachi H7420AA40SUN2.0T Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems Hitachi H7420AA40SUN2.0T 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 “Main Controller IC Number (3.5″)” or “White Label Number (2.5″)” of your current circuit board in addition to the hard drive’s “Model Number“.
Multiple Main Controller IC Number revisions:
LSI 6045, etc.
Multiple Sticker Number revisions:
0J24459 BA47486A, etc.