Hitachi Ultrastar 7K4000 0F14688 / HUS724040ALA640 4TB SATA Hard Drive

Hitachi Part #/MPN: 0F14688

DiscTech Item #: HIT-0F14688-FR-OE

  • Special Order - Ships in 5-10 business days
    Special Order - Ships in 5-10 business days

    This item has a lead time for fulfilment (as listed), this is approximate. Your credit card will be authorized in full on the day of ordering; it will not be charged until the day of shipment.


Enterprise Grade

Capacity: 4TB

Speed: 7,200RPM

Interface Types: SATA

Form Factor: 3.5inx1.0in LFF Hard Drive

Sector Size: 512 / 512e

Sustained Throughput: 181

Average Seek Time: 8.0

Electrical Interface: SATA 600 - 6.0Gbps

On-Board Cache: 64MB

Hitachi Ultrastar 7K4000 0F14688 / HUS724040ALA640 4TB / 4000GB 6Gbps 7.2K Enterprise SATA Hard Drive - Factory Recertified

Hitachi Ultrastar 7K4000 0F14688 / HUS724040ALA640 4TB / 4000GB 6.0Gbps 7,200 RPM Enterprise SATA Hard Drive - Factory Recertified


HGST Ultrastar® 7K4000 is the world’s first 4TB 7200 RPM hard drive with a 2.0 million hours MTBF specification and backed by a full 5-year warranty, originally offered with SATA 6Gb/s and now also available with a SAS interface. Ultrastar 7K4000 represents the sixth-generation HGST 5-platter design, which has been field proven by top server and storage OEMs and Internet giants. Engineered for the highest quality, the Ultrastar 7K4000 is put through grueling design tests during development and must pass stringent ongoing reliability testing during manufacturing. Ultrastar 7K4000 delivers by reducing downtime, eliminating service calls and minimizing TCO.


  • 2.0 million hours MTBF
  • Up to 4 terabytes of capacity
  • SATA 6Gb/s and SAS 6Gb/s models for configuration flexibility
  • Advanced Format SATA with 512-byte emulation (512e)
  • Dual Stage Actuator (DSA) and Enhanced Rotational Vibration safeguard (RVS) for robust performance in multi-drive environments
  • 24x7 accessibility for enterprise-class, capacity-optimized applications


  • Cloud storage
  • Massive Scale Out (MSO)
  • Data warehousing & mining
  • Disk-to-disk backup & archiving
  • RAID arrays
  • Network Attached Storage (NAS)

  • Compatibility:

    This drive is compatible with any server that accepts 3.5"x1" (LFF) SATA drives.

Part Number0F14688
InterfaceSATA 6Gb/s
Capacity (GB) at 512 bytes/sector4TB
Form factor3.5-inch
Sector size (bytes)512n
Max. areal density (Gbits/sq. in) 475
Data buffer (MB)64
Rotational speed (RPM) 7200
Interface transfer rate (MB/s, max)600
Sustained transfer rate (MB/s, typical)181
Seek time (read, ms, typical)8.0
Error rate (non-recoverable, bits read) 1 in 10^15
Load/Unload cycles (at 40° C)600,000
Availability (hrs/day x days/wk)24x7
MTBF1 (M hours) 2.0
Annualized Failure Rate1 (AFR)0.44%
Idle (Bels, typical) 2.9
Requirement+5 VDC (+/-5%)
+12VDC (+10%/-8%)
Startup current (A, max)1.2 (+5V), 2.0 (+12V)
Read/write (W) 11.4
Idle (W, avg)6.9
Unload idle (W)5.7
Physical size
z-height (mm, max) 26.1
Dimensions (width x depth, mm) 101.6 (+/-0.25) x 147
Weight (g, typical) 690
Environmental (operating)
Ambient temperature5o to 60o C
Shock (half-sine wave 2 ms, G) 70
Vibration (G RMS, 5 to 500 Hz) 0.67 (XYZ)
Environmental (non-operating)
Ambient temperature -40o to 70o C
Shock (half-sine wave, 1ms, G) 300
Vibration (G RMS, 5 to 500 Hz)1.04 (XYZ)

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ROHS Compliant

Alternate MPNs: HUS724040ALA640

Weight: 1.8 lb

Warranty: 1 Year DiscTech

Factory Refurbished

Condition Levels Explained

The product has been built, rebuilt or repaired at the original manufacturer's factory (Note we NEVER sell 3rd party repaired items, as we do not find them to be reliable enough). Often these products are extremely close to new in condition, except that they contain at least one recycled or repaired component. Failure rates are often lower on these devices since they have been far more thoroughly tested than new items.

Product Warranties Explained

The product has a manufacturer warranty for the time period specified.

1 Year DiscTech Warranty

Product Warranties Explained

The product has a DiscTech warranty for the time period specified. View our limited warranty