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2.0TB Barracuda XT Hard Disk Drive

3.5-Inch | SATA 6.0Gb/s | 7200RPM | 64MB Cache
No compromise. Speed and capacity for high-performance desktop systems
The new Barracuda XT hard drive from Seagate offers customers a compelling new storage choice for high-capacity, high-performance computing solutions. Unlike other available 2-TB solutions that run at 5400- or 5900-RPM speeds, the new Barracuda XT drive is built on a full-speed, 7200-RPM, 4-disk platform. Further turbocharged with a huge 64-MB cache and the industry's new, high-performance SATA 6Gb/s interface, the Barracuda XT drive is destined to set a new standard for high-speed desktop performance.

High-definition content is driving the need for space and speed. Whether on the Internet, in a theater or erupting from a high-powered PC gaming rig, content is getting richer and proliferating around the world. The professionals who develop and produce this content and the consumers who enjoy it find themselves in need of more powerful computing systems to process and store this data. No longer do power users need to compromise when it comes to choosing capacity or speed; the Barracuda XT drive has it all! Discerning high-performance PC users, multimedia development professionals and power users in general will appreciate the capacity, performanceand flexibility the Barracuda XT drive offers.
Think Green™ Sustainability
At Seagate, we recognize the importance of building products with a philosophy of sustainability in mind. Business sustainability to deliver leading-edge products that meet customer's performance, reliability and time-tomarket needs helps keep them competitive. In addition, we strive to achieve these goals using environmentally sustainable processes. The Barracuda XT product does not compromise here either, but delivers leading capacity and performance in accordance with our Think Green programs for RoHS compliance and is an industry leader in advanced recycling programs:
  • 70 percent or more of the materials used in the manufacture of Barracuda XT drives are recyclable.
  • Up to 50 percent of the materials used in the manufacture of Barracuda XT drives come from recycled sources.
OWC Tech Support Note: SEAST32000641AS is not compatible with G5 computers (doesn't automatically clock to SATA I). The only way to change this is with SeaTools (Seagate's proprietary software) which is Windows only downloadable from Seagate's website.

2.0TB Seagate Barracuda XT Specifications:


Form Factor
3.5″ HDD
SATA 6Gb/s
Formatted Capacity2
Rotational Speed
7,200 RPM
Cache / Data Buffer
Manufacturer Model Number
RoHS Compliant


Height (max)
26.1mm (1.028″)
Width (max)
101.6mm (4.000″)
Length (max)
146.99mm (5.787″)
Weight (typical)
700kg (1.543 lbs.)
Data Heads
Number of Disks
Guaranteed Sectors
Bytes per Sector


MTBF (Mean Time Between Failures)
750,000 hours
Annual Failure Rate
Nonrecoverable Read Errors
1 per 1014 bits read


Transfer Rate (Max)
6.0 Gb/s
Average Latency


Maximum Start Current, DC
2.8 Amp
Seek Power
7.3 Watts
Read Power
9.23 Watts
Write Power
9.23 Watts
Idle Mode
6.39 Watts

Environmental (Operating)

63 G max at 2ms
Ambient Temperature (°F)
41°F to 140°F
Ambient Temperature (°C)
5°C to 60°C
-304.8 m to 3,048 m (-1,000 ft to 10,000+ ft)

Environmental (Non-Operating)

300 G max at 2ms
Ambient Temperature (°F)
-40°F to 158°F
Ambient Temperature (°C)
-40°C to 70°C
-304.8 m to 12,192 m (-1000 ft to 40,000+ ft)


Idle (Typical)
2.8 bels
Seek (Typical)
3.2 bels
  1. 1GB = 1,000,000,000 bytes. Total accessible capacity varies depending upon operating environment (typically 5-10% less). The actual total capacity will depend on your own defined file settings/preferences.
  2. In terms of standard gigabytes, 1GiB ≈ 1.074GB and refers to the actual formatted capacity of shown under Mac OS 10.5 or earlier and Microsoft Windows OS.
  3. Specific application environments such as temperature and duty cycle will affect the overall reliability rates.
Manufacturer provided specifications for Seagate p/n ST32000641AS
Seagate 2.0TB Barracuda XT Mfr P/N: ST32000641AS OWC SKU: SEAST32000641AS Internal 3.5" Hard Drive Seagate 5 Year Limited Warranty
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