Product Features

• 5,900 RPM Spin Speed, 32 MB Cache Buffer, SATA 3Gb/s interface, 1 TB Capacity
• Super-low power consumption reduces power costs over the life of the system up to 50% over those of standard desktop drives
• Leading performance in the low power category
• Cool drives provide long-lasting benefits to the PC or external drive, reducing some component and maintenance costs.

Technical Details

• Brand Name: Seagate
• Model: ST31000520AS

Product Details

• Capacity: 1 TB
• Product Dimensions: 5.8 x 4 x 1 inches ; 1.4 pounds
• Shipping Weight: 2 pounds
• Item model number: ST31000520AS
• Date first available: April 1, 2009

Product Description

Barracuda® LP hard drives from Seagate® allow you to do more with less - delivering the absolute best combination of power savings and performance in the industry. While other drives have labels that include words like "green" or "eco", Barracuda LP actually delivers on the low power promise. With power consumption levels up to 40% lower than standard desktop alternatives and best in class green performance, Barracuda LP really is the low power drive that won't slow you down.

Seagate® Barracuda® LP 3.5-Inch Internal Drive

What the experts are saying...

The low power green drive that won�t slow you down Seagate is thinking green, and one result is the innovative Seagate® Barracuda® LP. This 3.5-inch internal drive is perfect for applications where low power consumption matters, and performance is a must, including: Personal Attached Storage with USB, FireWire and eSATA connectivity Small office and home data storage Low-power PCs Why Choose the Seagate Barracuda LP drive? Delivers category-leading performance at 5900 RPM, compared to 5400 RPM or slower for competitive green drives Combines super-low power consumption�up to 50% over standard desktop drives�with reduced heat generation, cutting power and component costs while increasing reliability Ensures whisper-quiet operation without sacrificing performance Helps you contribute to a greener world� built with at least 70% recyclable materials, and designed to meet both RoHS and the highest international environmental standards Lets you to choose the right amount of storage for your specific needs�from 500GB up to 2TB

“Of the two "green" low-power drives, the Seagate Barracuda LP at 5900 RPM is the most impressive. Of all the green drives we've ever tested, it provides the best compromise between low power and speed.” -Barefeats.com, October 2009 “Among the fastest reads and writes of any high-capacity drive; low power consumption” -Maximum PC, October 2009 “The performance is good, the price is good, and anything that costs less to operate has to be good. With all passing marks, I would say that the Barracuda LP hard drive is a good choice for your next low power system build or external storage device. Club Overclocker Recommended!” -Club Overclocker, July 2009 “Keeping in mind that the Seagate Barracuda LP 2TB was designed for low power consumption and exceeded our expectations for a green drive it deserves an: 8 out of 10 and the Bjorn3D Seal Of Approval” -Bjorn3D, July 2009 “Summed up, the Barracuda LP 2TB offers a ton of capacity, better than expected performance, and a decent value, and the low power consumption means you can sleep soundly knowing you're not offending mother nature.” -Hardware Logic, July 2009

	Seagate is thinking green. "Seagate had already begun demanding 'full materials disclosure' of its suppliers, requiring them to report all the chemicals present in their products, when Apple came knocking with its new orders in 2007." � Peter Burrows, BusinessWeek

Seagate® Barracuda® Family Hard Drives: Desktop storage for every need

Barracuda LP Specifications

Specifications	2 TB1	1.5 TB1	1 TB1
Model Number	ST32000542AS	ST31500541AS	ST31000520AS
Interface Options	SATA	SATA	SATA
Performance
Transfer Rate, Max Ext (MB/s)	300	300	300
Sustained Data Rate OD (MB/s)	95	95	95
Cache (MB)	32	32	32
Average Latency (ms)	5.5	5.5	5.5
Spindle Speed (RPM)	5900	5900	5900
Configuration/Organization
Bytes per Sector	512	512	512
Reliability/Data Integrity
Contact Start-Stops	50,000	50,000	50,000
Nonrecoverable Read Errors per Bits Read	1 per 10E14	1 per 10E14	1 per 10E14
Annualized Failure Rate (AFR)	0.32%	0.32%	0.32%
Power Management
Startup Current +12 V Peak (A±10%)	2.0	2.0	2.0
Operating, Average (W)	6.8	6.8	5.7
Idle, Average (W)	5.5	5.5	3.0
Environmental
Temperature
Operating (�C)	0 to 60	0 to 60	0 to 60
Nonoperating (�C)	�40 to 70	�40 to 70	�40 to 70
Shock
Operating, 2 ms (G)	70	70	70
Nonoperating, 1 ms (G)	300	300	350
Acoustic (bels-sound power)
Idle	2.5	2.5	1.9
Seek	2.6	2.6	2.0
Physical
Height (in/mm)	1.028/26.1	1.028/26.1	1.028/26.1
Width (in/mm)	4.010/101.85	4.010/101.85	4.010/101.85
Depth (in/mm)	5.787/146.99	5.787/146.99	5.787/146.99
Weight (lb/kg)	1.44/0.66	1.44/0.66	1.4/0.64

1 One gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion bytes when referring to hard drive capacity.

How much will it store?
Capacity	Digital Music (Hours)	Digital Photos (Files)	Digital Videos (Hours)	DVD Quality (Movies)	HD Video (Hours)
1.0 TB	16,600	320,000	1,000	250	250
1.5 TB	24,990	480,000	1,500	375	375
2.0 TB	33,320	640,000	2,000	500	500
		Average file size using cameras highest resolution JPEG mode		Based on standard 2 hour movie	Based on H.264 compression at a 6.75Mbs bitrate

		Users can expect a performance boost when using Seagate hard drives with Windows 7 Windows 7 has shown to use fewer hard drive resources for system boot and general OS operations, speeding up overall performance and leaving more storage resources for applications. Cache efficiency has improved. Customers who choose Seagate drives with bigger cache options will see added benefit. Seagate testing confirms improved performance from Windows Vista to Windows 7 on like hard drives with only cache size differences.

 

Product Description

Seagate Barracuda LP 2 TB 5900RPM SATA 3 GB/s 32 MB Cache 3.5-Inch Internal Hard Drive ST32000542AS-Bare Drive