HGST HDN726050ALE610 3.5″ hard drive with a storage capacity of 5TB and featuring a SATA interface.
All information about the HGST HDN726050ALE610 hard disk drive: technical parameters, failure symptoms, frequently asked questions, reviews, HDD repair and data recovery.

HGST HDN726050ALE610 Technical Details:
Manufacturer:
HGST (Hitachi Global Storage Technologies / Western Digital)
Hard Disk Model:
HDN726050ALE610
Disk Family:
Deskstar NAS (High-Reliability series)
Form Factor:
3.5″
Capacity:
5 TB (5,000,000,000,000 bytes)
Formatted Capacity:
Approximately 4.54 TB
Number Of Disks:
5
Number Of Heads:
9 (Single-surface skipped on one platter)
Rotational Speed:
7200 RPM
Average Seek Time:
12.0 ms (typical for Deskstar NAS series)
Disk Interface:
Serial ATA-600 (SATA 6 Gb/s)
Buffer Size:
131072 KB (128 MB)
External Transfer Rate:
600 MB/s
Internal Transfer Rate:
Up to 220 MB/s
Mean Time Between Failures (MTBF):
1,000,000 hours
Workload Rating:
180 TB/year
Advanced Format:
512e (512-byte emulation, 4K physical sectors)
HGST HDN726050ALE610 Hard Drives:
- HDN726050ALE610 – 5 TB SATA 3.5″ Performance NAS Hard Drive, Deskstar NAS series
HGST HDN726050ALE610 Failure Symptoms:
- Electrical Failure Symptoms:
Drive does not power up and shows no sign of function;
Smell of burnt electronics or visible damage on the PCB components;
Computer power supply shuts down immediately upon connection due to a transient voltage suppression (TVS) diode short circuit; - Mechanical Failure Symptoms:
Clicking, clunking, or repeating knocking sounds as the heads fail to initialize on the platters;
Grinding, squealing, or harsh scraping sounds from mechanical wear;
Completely quiet with no vibration due to spindle motor freeze (seized bearing); - 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 and spins normally, but is not recognized by the BIOS/UEFI;
Drive is recognized with incorrect parameters, 0 MB capacity, or nonsensical factory characters;
Drive causes the operating system or system boot process to freeze or hang; - Bad Platter Area Symptoms:
Hard disk still accessible but appears extremely sluggish or hangs during file copy tasks;
Constant Cyclic Redundancy Check (CRC) errors;
Unable to access specific folders or files even though they are visible in the file tree; - Complex Failure Model
HGST HDN726050ALE610 Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems HGST HDN726050ALE610 hard drive experience is a burned circuit board (PCB). Therefore, if you need to replace the PCB, be sure to match the “PCB Number” of the current board, such as 0A90443, etc.