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Seagate Barracuda 7200.8 200GB Hard Disk Drive - Page 1 of 6
Posted: July 18, 2005
Author: Jason Kohrs
Manufacturer: Seagate
Source: Seagate
Purchase: PriceGrabber
Comment or Question: Post Here

Seagate Technology is one of THE names you think of when it comes to computer hard drives, and it has been that way for a long time. The company was founded in 1979, and they were actually the first to market a 5.25" hard drive for the PC. Much has changed since the seventies, but Seagate remains at the forefront of hard drive development and technology.

The products provided for this review are some of the latest in Seagate's long line of products, and represent another advancement in drive performance. The Seagate Barracuda 7200.8 SATA NCQ drive, model ST3200826AS, is a 7200 RPM SATA (1.5Gb/s) hard drive boasting a capacity of 200GB, an average seek time of 8 ms, and support for native command queuing (NCQ). Seagate has sent over a pair of these drives for testing the stand-alone performance, as well as in RAID 0 and RAID 1 configurations.


Before jumping into the actual performance, let's look at Seagate's published data on the ST3200826AS, as well as on a drive it will be tested against, the 200GB Barracuda 7200.7 SATA (model number ST3200822AS).

Model Barracuda 7200.8 SATA NCQ, ST3200826AS Barracuda 7200.7 SATA, ST3200822AS
Capacity and Interface
Formatted Gbytes (512 bytes/sector) 200 200
Interface SATA 1.5Gb/s SATA 1.5Gb/s
Internal Transfer Rate (Mbits/sec) 760 683
Max. External Transfer Rate (Mbytes/sec) 150 150
Avg. Sustained Transfer Rate (Mbytes/sec) > >58
Average Seek (msec) 8 8.5
Average Latency (msec) 4.16 4.16
Multisegmented Cache 8192 8192
Spindle Speed (RPM) 7200 7200
Discs/Heads / 2/4
Bytes per Sector 512 512
Logical CHS 16383/16/63 16383/16/63
Recording Method 16/17 EPRML 16/17 EPRML
Contact Start-Stops 50000 50000
SeaShield System No No
Reliability/Data Integrity
S.M.A.R.T. capable Yes Yes
Nonrecoverable Read Errors per Bits Read 1 per 10e14 1 per 10e14
Service Life/Limited Warranty (years) 5/5 5/5
Power Requirements
+12 VDC +/-10% (amps typ operating) 2.8 2.8
+5 VDC +/-5% (amps typ operating) 0.841
Power Management (watts)
   Seek 12.4 13.5
   Read/Write 12.8 13
   Idle 7.2 9
   Standby 1.4 2
Operating Temperature (C) 0 to 60 5 to 55
Nonoperating Temperature (C) 70 to -40 70 to -40
Operating Shock (Gs) @ 2 msec 63 63
Non Operating Shock (Gs) @ 2 msec 300 350
Acoustics,Idle (Bels-typ sound power) 2.8 2.5
Height (mm) 26.11 26.035
Width (mm) 101.6 > 101.6 >
Depth (mm) 146.99 146.99
Weight (kg) 0.635 0.635

It can be seen from the published data that many performance advances have been made from them 7200.7 to 7200.8 offering of the Seagate Barracuda. Real world testing between these two drives should provide an interesting comparison. Of all the data provided in the table above, perhaps one of the nicest numbers is associated with Seagate's industry leading five year warranty! While many manufacturers are cutting back and offering shorter warranties, it is very reassuring to see a five year warranty provided on an item as critical as a hard drive.

Please read on to the next page for more... Next

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