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Seagate Barracuda XT 2TB, the fastest harddisk

barracuda xtThe new Barracuda® XT hard drive from Seagate delivers the industry‘s first 2-TB, 7200-RPM desktop drive with a massive 64-MB cache and the fastest SATA interface—SATA 6Gb/s.

Key Features and Benefits

  • A massive 2-TB drive capacity provides plenty of room for downloading today‘s space-hungry PC games or up to 45 hours of 1080i, HD-DVCPRO-encoded, high-definition video.
  • The 7200-RPM performance platform complements high capacity, delivering a power combination of extreme storage and top-end desktop performance.
  • A 64-MB cache optimizes burst performance and reduces data throughput bottlenecks.
  • The SATA 6Gb/s interface enables the use of the industry‘s newest and fastest hard drive controllers while providing backward compatibility to legacy SATA 1.5Gb/s or 3Gb/s systems.
  • Configurable with Seagate® SeaTools™ software—Users can optimize the drive configuration and tune for capacity or performance for the ultimate in customer choice and control.

Barracuda XT SATA 6Gb/s 2TB Hard Drive


Model Number ST32000641AS
Interface SATA 6Gb/s
Cache 64MB
Capacity 2 TB
Areal density (avg) 347 Gbits/inch2
Guaranteed Sectors 3,907,029,168
Height (max) 26.1 mm (1.028 inches)
Width (max) 101.6 mm (4.0 inches)
Length (max) 146.99 mm (5.787 inches)
Weight (typical) 700 grams (1.543 pounds)
Spindle Speed 7200 rpm
Sustained data transfer rate 138 null
Average latency 4.16 msec
Random read seek time 8.5 msec
Random write seek time 9.5 msec
null 600 null
MTBF 750,000 hours
Annual Failure Rate 0.34
Unrecoverable read errors 1 in 10^14
12V start max current 2.8 amps
Average idle current 6.39 watts
Ambient Temperature
Operating 5 to60 degrees C
Nonoperating -40 to70 degrees C
Maximum operating temperature change 20 degrees C per hour
Maximum nonoperating temperature change 30 degrees C per hour
Operating Shock (max) 63 Gs null 2 msec
Nonoperating Shock (max) 300 Gs null 2 msec
Acoustics (Idle Volume) 2.8 bels
Acoustics (Seek Volume) 3.2 bels
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