Seagate Barracuda 7200.11 ST3500320AS (500 GB)

vs Comparable 3.5" SATA Hard Disks
Item 481: Seagate Barracuda 7200.11 500GB ST3500320AS
FamilyBarracuda 7200.11
Size500 GB
Cache32 MB
Form Factor3.5"
Speed3 Gb/s
Warranty3 year
ST3500320AS Reviews2

This Barracuda Generation Brings a Whopping 1.5 TB

This is a drive for the ages, and it will take ages to fill it up. In one bold move, Seagate provides the largest single capacity jump in the history of hard drives—a half-terabyte increase from the previous high of 1 TB—thanks to the capacity-boosting power of perpendicular magnetic recording technology. (

Key Advantages

  • Delivers the industry’s highest capacity—up to 1.5 TB of storage (also 1 TB and 750, 640, 500, 320 and 160 GB)
  • Ships with the industry’s most reliable and proven perpendicular magnetic recording (PMR) technology
  • Delivers high performance
    • up to 120-MB/s sustained data rate
    • 32-, 16- and 8-MB cache buffer
  • Environmentally friendly
    • Consumes up to 43 percent less power during idle than previous products, enabling customers to build low-power systems
    • Meets strict RoHS requirements
  • Leverages best combination of technology (areal density, PMR) and proven components for volume availability
Disk Cache (MB) Size (GB) Warranty Years Best Price Vendor Value (GB/$)
Seagate Barracuda 7200.11 ST3500320AS 32 500 3 0.00

Manufacturer's Specs

Guaranteed sectors976,773,168
Cache32 Mbytes
Spindle speed7,200 RPM
Internal data transfer rate1287 Mbits/sec max
Sustained data transfer rate OD105 Mbytes/sec max
Average latency4.16 msec
Power-on to ready20 sec max
Standby to ready14 sec max
Track-to-track seek time<0.8 msec typical read; <1.0 msec typical write
Average seek, read<8.5 msec typical
Average seek, write<9.5 msec typical
Idle2.7 bels (typical); 2.9 bels (max)
Performance Seek3.1 bels (typical); 3.2 bels (max)
Quiet Seek3.0 bels (typical); 3.1 bels (max)
Nonrecoverable read errors1 per 10^14 bits read
Annualized Failure Rate (AFR)0.34%
Warranty5 years
Contact start-stop cycles50,000 at 25°C, 50% rel. humidity

External links

Seagate ST3500320AS Reviews & Benchmarks

Tom's Hardware - A Quartet Of 500 GB HDDs Under $60 : Fast And Affordable: 500 GB Hard Drives Reviewed - Feb. 23, 2009

Other Seagate Barracuda 7200.11 Reviews & Benchmarks

ExtremeTech - RAID Class Terabyte Hard Drives - Nov. 29, 2007
Hot Hardware - Seagate Barracuda 7200.11 1TB Hard Disk - Nov. 7, 2007
Tom's Hardware - The Terabyte Battle - Nov. 5, 2007

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