Seagate ST3400755SS SAS Hard Disks

Seagate Part #/MPN: ST3400755SS

DiscTech Item #: SGT-ST3400755SS-RF-OE-DEL

  • 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: 400GB

Speed: 10,000RPM

Interface Types: SAS Serial Attached SCSI

Form Factor: 3.5inx1.0in LFF Hard Drive

Sector Size: 512 / 512e

Average Seek Time: 3.9 / 4.2

Electrical Interface: SAS-1 Serial Attached SCSI - 3.0Gbps

On-Board Cache: 16MB

Seagate ST3400755SS Cheetah NS 400GB 10K 3Gbps SAS Hard Drive - Refurbished OEM

The Seagate Cheetah NS complements the Cheetah 15K.5 by trading a small reduction in performance for substantial gains in both capacity and power savings.

  • Perpendicular recording with 33% higher capacity
  • More than 25% power savings
  • Better sequential and random performance
  • BIC reliability rating
DPN: MM407 0MM407 GY583 0GY583
Specifications400 GB
Model NumberST3400755SS
InterfaceSAS 3Gb/s
Cache16 MBytes
Capacity400 GB
Height (max)26.11 mm  (1.028 inches)
Width (max)101.85 mm  (4.010 inches)
Length (max)146.99 mm  (5.787 inches)
Weight (typical)0.800 grams  (1.76 pounds)
European Union Restriction of Hazardous SubstancesY
Spindle Speed10,000 rpm
Average latency3.0 msec
Random read seek time3.9 msec
Random write seek time4.2 msec
MTBF1,400,000 hours
Annual Failure Rate0.62%
Power-on hours8,760 hours
Maximum start current, AC3.40 amps
Maximum start current, DC1.73 amps
Ambient Temperature 
Relative Humidity 
Acoustics (Idle Volume)3.6 bels
Acoustics (Seek Volume)4.3 bels

Click here to view the manufacturer's item description/brochure

Alternate MPNs: MM407 0MM407 GY583 0GY583

Weight: 1.8 lb

Warranty: 1 Year DiscTech


Condition Levels Explained

These products have had NO problems or failures, they merely have some usage. The product has been professionally returned to excellent condition. These items have been fully tested, formatted (if appropriate) &repackaged. Hard drives are fully vetted for surface defects and wear, only healthy disks are approved for resale to our customers. Please see our refurbishing process for more details. Watch a video about our refurbishing process

1 Year DiscTech Warranty

Product Warranties Explained

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