Western Digital Green 1.5TB vs. Seagate 7200.12 500GB

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Seagate Barracuda 7200.12 500GB

The 500GB 7200.12 has obviously gone through a reduction in size compared to its bigger brothers. It measures only 19.3 mm high, about 25% less than the WD Green. This is a form factor that has been used in the past, probably to save on materials costs with low disk count drives, most recently in the Samsung EcoGreen 500GB, which we found to be extremely quiet. The risk with mass reductions of the casing is that sometimes, the drive becomes more prone to vibration (as in some variants of the WD Caviar SE16 320GB).

The Seagate Barracuda 7200.12 500GB.

Seagate Barracuda 7200.12 ST3500410AS: Key Features & Benefits
(from Seagate's product web page)
Sustainable technology for a green world:

o Typically 70 percent or more of the materials used to build the drive is recycled.
o Complies with the RoHS directive
12th generation of the world’s most popular desktop hard drive The Barracuda line has a long and storied history.
Ships with the most reliable and proven perpendicular magnetic recording technology Nothing new.
Delivers high performance:

o 160-MB/s maximum sustained data rate
o Up to 3 Gb/s instantaneous burst
o 32-MB cache on 1-TB and 750-GB drives, 16-MB cache on 500-GB drives, 8-MB cache on 320, 250- and 160-GB drive
Hopefully the 500GB model's 16MB cache won't hurt its performance too much.

Seagate Barracuda 7200.12 ST3500410AS: Specifications
Capacity 500 GB
Cache 16 MB
Disks / Heads 1 / 2
Interface SATA 3Gb/s
Spindle Rotation Speed 7,200 rpm
Sustained Data Rate OD 125 MB/s
Average Latency 4.16 msec
Weight 540 grams
Power Requirements:
Idle / Operating
<5.0W / <8.0W
Idle / Seek (Typical)
2.6 bels / 2.8 bels

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