No two ways about it, Maxtor drives are loud and WD tend to be very quite.
There are plenty of ways to go about it, heresay, rumour or malicious gossip. <A HREF="http://www.storagereview.com" target="_new">Storage review</A> chose to go about it by measuring the noise.
Maxtor DiamondMax Plus 8 (40 GB ATA-133) - 41.8
Maxtor DiamondMax Plus 9 [8MB, 60GB/plat] (160 GB ATA-133) - 42.1
Western Digital Raptor WD740GD (74 GB SATA) - 42.3
Western Digital Raptor WD360GD (36 GB SATA) - 43.1
Western Digital Caviar WD800AB (80 GB ATA-100) - 43.7
Maxtor MaXLine Plus II (250 GB SATA) - 43.8
Maxtor DiamondMax Plus 9 [8MB, 68GB/plat] (160 GB ATA-133) - 44.5
Western Digital Caviar WD2500JB (250 GB ATA-100) - 44.7
Western Digital Caviar WD800JB (80.0GB ATA-100) - 45.0
Maxtor DiamondMax D540X (160 GB ATA-133) - 45.5
Western Digital Caviar WD2000JB (200 GB ATA-100) - 45.5
Western Digital Caviar WD2500JD (250 GB SATA) - 46.1
Maxtor DiamondMax Plus D740X (80 GB ATA-133) - 46.3
Western Digital Caviar WD2000BB (200 GB ATA-100) - 46.7
Western Digital Caviar WD1000BB (100 GB ATA-100) - 47.1
Western Digital Caviar WD1200BB (120 GB ATA-100) - 47.1
Western Digital Caviar WD1200JB (120 GB ATA-100) - 47.3
Western Digital Caviar WD1000BB-SE (100 GB ATA-100) - 47.4
Based on their objective measurements I'd say that your conclusion is false. Unless of course Maxtor drives just happen to make some peculiar noise that you happen to be much more sensitive to.
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