Seagate Cheetah ST373455SS SAS Hard Disk Drives

Seagate Part #/MPN: ST373455SS

DiscTech Item #: SGT-ST373455SS-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: 73GB

Speed: 15,000RPM

Interface Types: SAS Serial Attached SCSI

Form Factor: 3.5inx1.0in LFF Hard Drive

Sector Size: 512 / 512e

Sustained Throughput: 73 to 125

Average Seek Time: 3.5 / 4.0

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

On-Board Cache: 16MB

Compatible Systems: Dell 10th Gen. 2950 / 6950

Seagate Cheetah ST373455SS 15K.5 73GB 3.0Gbps Serial SCSI / SAS Hard Drive - Refurbished OEM

The Seagate® Cheetah 15K.5 hard drive is the first to break the 100-MB/s sustained transfer rate barrier. These drives lead the industry in reliability, performance and value by delivering higher throughput with fewer drives than conventional 10K-RPM solutions . The Cheetah 15K.5 enterprise hard drive sets a new standard for storage cost effectiveness with an unprecedented blend of storage performance, capacity and reliability.

Dell Part Numbers: UM837 0UM837 GY581 0GY581 XT763 0XT763 TU961 0TU961


All SAS compatible servers including:
Dell PowerEdge 840, 1900, 1950, 1950 III, 2900, 2900 III, 2950, 2950 III, 2970, 6900, 6950, R300, R900, R905, T300, T605 Servers and PowerVault MD1000, MD3000, NF100, NF500, NF600 Storage Arrays

Technical Specifications
Model numberST373455SS
Model NameCheetah 15K.5
Form Factor(width)3.5-inch
Form Factor(height)1-inch
Physical Specifications
Height25.4 mm
Width101.6 mm
Length146.05 mm
Weight0.68 kg
Formatted Capacity73.4 Gbytes
Internal Transfer Rate (min)960Mbits/sec
Internal Transfer Rate (max)1,607 Mbits/sec
Formatted Int Transfer Rate (min)89 MBytes/sec
Formatted Int Transfer Rate (max)150 MBytes/sec
External (I/O) Transfer Rate (max)300 MBytes/sec
Average Seek Time, Read3.5 msec typical
Average Seek Time, Write4 msec typical
Track-to-Track Seek, Read0.2 msec typical
Track-to-Track Seek, Write0.4 msec typical
Full Disc Seek, Read7.4 msec typical
Full Disc Seek, Write7.9 msec typical
Average Latency2 msec
Default Buffer (cache) Size16MB
Spindle Speed15K RPM
Spinup Time20 sec
Power-on to Ready Time3 sec
Number of Discs (physical)4
Number of Heads (physical)8
Total Cylinders50,864
Total Tracks203,456
Bytes Per Sector512
Track Density (TPI)85,000 tracks/inch
Recording Density (BPI, max)628,000 bits/inch
Bytes/Track (avg)471,916
Electrical Requirements
Typical Current (12VDC +/- 5%)0.95 amps
Startup Current (12VDC +/- 5%)2.7 amps
Typical Current (5VDC +/- 5%)1.12 amps
Startup Current (5VDC +/- 5%)1.64 amps
Idle Power (typ)11.8 watts
Environmental Specifications
Shock and Vibration
Max Operating Shock (2-msec)65 Gs
Max Nonoperating Shock (2-msec)250 Gs
Operating Vibration (max)0.5 Gs
Nonoperating Vibration (max)2 Gs
Temperature and Humidity
Operating Temperature (max)55 deg C
Operating Temperature (min)5 deg C
Nonoperating Temperature (max)70 deg C
Nonoperating Temperature (min)-40 deg C
Operating Temperature Change (max)20 deg C/hr
Nonoperating Temperature Change (max)20 deg C/hr
Operating Humidity (max)95 percent
Nonoperating Humidity (max)95 percent
Operating Humidity Change (max)20 percent per hour
Operating Wet Bulb Temp (max)28 deg C
Operating Altitude (max)3,048 m
Operating Altitude (min)-305 m
Nonoperating Altitude (max)12,210 m
Nonoperating Altitude (min)-305 m
MTBF (Hours)1,400,000 hours
Recoverable Read Errors10 per 1012 bits read
Nonrecoverable Read Errors1 per 1015 bits read
Seek Errors10 per 108 bits read
Supports S.M.A.R.T.Yes
Service Life5 year(s)
Limited Warranty Period5 year(s)

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

ROHS Compliant

Alternate MPNs: UM837 0UM837 GY581 0GY581 XT763 0XT763 TU961 0TU961

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