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Seagate ST3146855LW - Cheetah 15K.5 Ultra320 SCSI 146GB Hard Drive


Seagate Cheetah 15K drives offer the high performance, increased capacity and optimized power consumption needed by enterprises to meet demanding Tier 1 enterprise requirements.


  • Delivers high performance with sustained data rates up to 171MB/s
  • Offers high capacity (up to 600GB) with third-generation perpendicular recording
  • Includes Seagate PowerTrim™ technology to dynamically reduce power usage
  • Supports 6Gb/s SAS 2.0, 4Gb/s FC, and Ultra320 SCSI interfaces
  • Includes advanced read/write technology for an unrecoverable error rate of 1x10E16 and an annualized failure rate (AFR) of 0.55 percent
  • Provides TCG-compliant, Self-Encrypting Drive (SED) security option (SAS models only) to eliminate the need to overwrite or physically destroy drives, enable safe return of drives for warranty or expired lease purposes and allow organizations to securely repurpose or sell hard drives
  • Meets regulatory data security compliance requirements and is FIPS 140-2 Validated™ to protect Sensitive but Unclassified and Protected class data


Model Number ST3146855LW
Interface Ultra320 SCSI
Cache 16MB
Capacity 146.8GB
Guaranteed Sectors 286,749,488
Height 26.11mm (1.028 in)
Width 101.85mm (4.010 in)
Length 146.99mm (5.787 in)
Weight (typical) 839g (1.85 lb)
Spin Speed (RPM) 15,000 RPM
Average latency 2.0ms
Random read seek time 3.50ms
Random write seek time 4.0ms
Annual Failure Rate 0.62%
Storage Type HDD
68-Pin LW

Product Content:

  • Seagate ST3146855LW - Cheetah 15K.5 Ultra320 SCSI 146GB 3.5in Hard Drive

Before you purchase this item, please ensure that you have verified compatibility with system by visiting the manufacturer's web site.
We assume no responsibility and will not accept full refunds for items purchased that are not compatible with your system configuration



  • 30 Day

Availability: Contact us for availability

Seagate ST3146855LW - Cheetah 15K.5 Ultra320 SCSI 146GB Hard Drive
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