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Seagate ST3450857SS Cheetah 15K.7 6Gb/s 16MB 450GB Hard Drive

Seagate ST3450857SS Cheetah 15K.7 SAS 6-Gb/s 450-GB Hard Drive

Application Specifications Documentations

Cheetah 15K.7 Overview

The higher performance and capacity of Seagate Cheetah 15K.7 drives reduce storage costs per GB and increase capacity per watt. The drive has the industry?s highest reliability rating, reducing drive replacement costs. The Cheetah 15K.7 drive includes Seagate PowerTrim? technology, which dynamically optimizes drive power consumption at all levels of activity.

Key Features and Benefits

  • Highest-performance 3.5-inch Tier 1 drive
  • Highest-capacity Tier 1 drive (600 GB)
  • Highest reliability rating in the industry
  • Seagate PowerTrim technology dynamically reduces power usage.
  • Supports 6-Gb/s SAS 2.0 and 4-Gb/s FC

Additional information about the Cheetah 15K.7 is available on the Product Overview below.

The Seagate? Cheetah? 15K.7 is the highest performing, highest capacity 3.5-inch mission critical hard drive with best-in-class reliability for Tier 1 storage environments. This industry-leading enterprise drive reduces storage costs per GB while increasing capacity per watt. Drive power consumption is dynamically optimized at all levels of activity with Seagate?s exclusive PowerTrim technology.

Key Advantages

  • Third-generation perpendicular recording for maximum capacity.
  • Unprecedented performance with a 16 percent increase in sustained data rate over the last generation, up to 171 MB/sec.
  • Industry?s highest 3.5-inch drive reliability at 1.6-million-hours MTBF.
  • Seagate proprietary PowerTrim technology provides up to 21 percent improvement over the last generation in watts/GB at idle.
  • Advanced read/write technology delivers unrecoverable error rate of 1x10E16 and AFR of 0.55 percent
  • Available in 4Gb/s FC or 6Gb/s SAS interfaces

Best-Fit Applications

All mainstream enterprise applications, such as:

  • Email
  • Business processing
  • Transaction processing
  • Decision support
  • Storage area networks
  • Networked attached storage
  • Internet and e-commerce

Cheetah 15K.7 SAS 6-Gb/s 450-GB Hard Drive

ST3450857SS

Specifications  
Model Number ST3450857SS
Interface SAS 2.0 6.0Gb/s
Cache 16MB
Capacity 450 GB
Areal density (avg) 225 Gbits/inch2
Guaranteed Sectors 879,097,968
PHYSICAL  
Height (max) 26.10 mm (1.028 inches)
Width (max) 101.85 mm (4.010 inches)
Length (max) 146.99 mm (5.787 inches)
Weight (typical) 800 grams (1.76 pounds)
PERFORMANCE  
Spindle Speed 15,000 rpm
Average latency 2.0 msec
Random read seek time 3.4 msec
Random write seek time 3.9 msec
RELIABILITY  
MTBF 1,600,000 hours
Annual Failure Rate 0.55%
POWER  
Maximum start current, AC 3.91 amps
Maximum start current, DC 1.94 amps