IDE to SATA converter Performance @HK$50

Hardware

Motherboard: Asus M2A-VM-HDMI
CPU: Athlon64 X2 4000+
RAM: 2GB DDR667
Harddisk: 2 x Maxtor 250GB
Operating System: (64-bit no-multilib)

$ uname -a
Linux x2 2.6.22-gentoo-r8 #3 SMP Sun Sep 30 14:55:25 SGT 2007 x86_64 AMD Athlon(tm) 64 X2 Dual Core Processor 4000+ AuthenticAMD GNU/Linux

/dev/sda = ide to sata to onboard sata
/dev/sdb = ide to onboard ide

# hdparm -tT /dev/sd{a,b,a,b,a,b}

/dev/sda:
 Timing cached reads:   1606 MB in  2.00 seconds = 803.65 MB/sec
 Timing buffered disk reads:  182 MB in  3.02 seconds =  60.36 MB/sec

/dev/sdb:
 Timing cached reads:   1560 MB in  2.00 seconds = 780.76 MB/sec
 Timing buffered disk reads:  186 MB in  3.01 seconds =  61.84 MB/sec

/dev/sda:
 Timing cached reads:   1648 MB in  2.00 seconds = 824.47 MB/sec
 Timing buffered disk reads:  182 MB in  3.02 seconds =  60.17 MB/sec

/dev/sdb:
 Timing cached reads:   1668 MB in  2.00 seconds = 834.82 MB/sec
 Timing buffered disk reads:  186 MB in  3.02 seconds =  61.67 MB/sec

/dev/sda:
 Timing cached reads:   1616 MB in  2.00 seconds = 808.75 MB/sec
 Timing buffered disk reads:  180 MB in  3.00 seconds =  59.99 MB/sec

/dev/sdb:
 Timing cached reads:   1630 MB in  2.00 seconds = 816.04 MB/sec
 Timing buffered disk reads:  186 MB in  3.02 seconds =  61.62 MB/sec