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Western Digital Hard Drive (Tables below are respective manufacture published informations)

Product Name
(Manufacture part #)
 Capacity
(formatted)		 Interface Transfer Rate
(MB/sec)		 Buffer Size
(KB)		 Ave. Seek Time
(ms)		 Rotational
Speed (RPM)
Caviar
AC21600		 1.6GB
(1624.6)		 EIDE 16.6 (mode 4 PIO)
16.6 (mode 2 DMA)		 128 less than 12ms 5200
Caviar
AC22000		 2.0GB
(2000.3)		 EIDE 16.6 (mode 4 PIO)
16.6 (mode 2 DMA)		 256 less than 11ms 5200
Caviar
AC32500		 2.5GB
(2559.8)		 EIDE 16.6 (mode 4 PIO)
16.6 (mode 2 DMA)		 128 less than 12ms 5200
Caviar
AC33100		 3.1GB
(3166.7)		 EIDE 16.6 (mode 4 PIO)
16.6 (mode 2 DMA)		 128 less than 12ms 5200
Caviar
AC3400		 4.0GB
(4001)		 EIDE 16.6 (mode 4 PIO)
16.6 (mode 2 DMA)		 256 less than 11.5ms 5200
Caviar
AC34300		 4.3GB
(4304.2)		 EIDE 16.6 MB/s (Mode 4 PIO)
16.6 MB/s (Mode 2 DMA)
33.3 MB/s (Mode 2 Ultra DMA)
135.5 Mbits/s max.		 256 less than 11ms 5400
Caviar
AC35100		 5.1GB
(5163.5)		 EIDE 16.6 MB/s (Mode 4 PIO)
16.6 MB/s (Mode 2 DMA)
33.3 MB/s (Mode 2 Ultra DMA)
135.5 Mbits/s max.		 256 less than 11ms 5400
Caviar
AC36400		 6.4GB
(6448.6)		 EIDE 16.6 MB/s (Mode 4 PIO)
16.6 MB/s (Mode 2 DMA)
33.3 MB/s (Mode 2 Ultra DMA)
131 Mbits/s max.		 256 less than 9.5ms 5400

Quantum Hard Drive (Tables below are respective manufacture published informations)

Product Name
(Manufacture part #)		 Capacity
(formatted)		 Interface Transfer Rate
(MB/sec)		 Buffer Size
(KB)		 Ave. Seek Time
(ms)		 Rotational
Speed (RPM)
Atlas II 2.2 2.2GB
(2275MB)		 W-SCSI 20 MB/sec 512 8 7200
Atlas II 4.5
34550AL-SW		 4.5GB
(4550MB)		 W-SCSI 20 MB/sec 512 8 7200
Atlas II 9.1
39120AL-SW		 9.1GB
(9100MB)		 W-SCSI 20 MB/sec 1024 8 7200
Atlas II 4550
34550AL-SUW		 4.5GB
(4550MB)		 UW-SCSI 40 MB/sec 512 8 7200
Fireball ST 2160
(32160ST-S)		 2.1GB
(2160MB)		 U-SCSI 20 MB/sec 128 less than 10 5400
Fireball ST 3240
(33240ST-S)		 3.2GB
(3240MB)		 U-SCSI 20 MB/sec 128 less than 10 5400
Fireball ST 4320
(34320ST-S)		 4.3GB
(4320MB)		 U-SCSI 20 MB/sec 128 less than 10 5400
Fireball ST 6480
(36480ST-S)		 6.4GB
(6480MB)		 U-SCSI 20 MB/sec 128 less than 10 5400
Fireball ST 1620A
(31620ST-A)		 1.6GB
(1614MB)		 EIDE 16.6 MB/s (Mode 4 PIO)
33.3 MB/s (Mode 2 Ultra DMA)		 128 less than 10 5400
Fireball ST 2160A
(32160ST-A)		 2.1GB
(2111MB)		 EIDE 16.6 MB/s (Mode 4 PIO)
33.3 MB/s (Mode 2 Ultra DMA)		 128 less than 10 5400
Fireball ST 3240A
(33240ST-A)		 3.2GB
(3228MB)		 EIDE 16.6 MB/s (Mode 4 PIO)
33.3 MB/s (Mode 2 Ultra DMA)		 128 less than 10 5400
Fireball ST 4320A
(34320ST-A)		 4.3GB
(4310MB)		 EIDE 16.6 MB/s (Mode 4 PIO)
33.3 MB/s (Mode 2 Ultra DMA)		 128 less than 10 5400
Fireball ST 6480A
(36480ST-A)		 6.4GB
(6448MB)		 EIDE 16.6 MB/s (Mode 4 PIO)
33.3 MB/s (Mode 2 Ultra DMA)		 128 less than 10 5400
Tempest (1280A) 1.2GB
(1281MB)		 EIDE 16.6 MB/s (Mode 4 PIO) 128 12.5 4500
Tempest (2550A) 2.5GB
(2564MB)		 EIDE 16.6 MB/s (Mode 4 PIO) 128 10.5 4500
Tempest (3840A) 3.8GB
(3860MB)		 EIDE 16.6 MB/s (Mode 4 PIO) 128 10.5 4500
5.25" low profile FF
Bigfoot Cyclon 2111
(52111CY-A)		 2.1GB
(2111MB)		 EIDE 16.6 MB/s (Mode 4 PIO) 128 less than 12 3600
5.25" low profile FF
Bigfoot Cyclon 4335
(54335CY-A)		 4.3GB
(4335MB)		 EIDE 16.6 MB/s (Mode 4 PIO) 128 less than 14 3600
5.25" low profile FF
Bigfoot Cyclon 6510
(56510CY-A)		 6.4GB
(6510MB)		 EIDE 16.6 MB/s (Mode 4 PIO) 128 less than 14 3600

Seagate Hard Drive (Tables below are respective manufacture published informations)

Product Name
(Manufacture part #)		 Capacity
(formatted)		 Interface Transfer Rate
(MB/sec)		 Buffer Size
(KB)		 Ave. Seek Time
(ms)		 Rotational
Speed (RPM)
Medalist 1276
ST31276A		 1.2GB
(1275MB)		 IDE 16.6 MB/s (Mode 4 PIO)
33.3 MB/s (Mode 2 Ultra DMA)		 64 12.5ms 4500
mEDALIST 2132
ST32132A		 2.1GB
(2113MB)		 IDE 16.6 MB/s (Mode 4 PIO)
33.3 MB/s (Mode 2 Ultra DMA)		 128 12.5ms 4500

Maxtor Hard Drive (Tables below are respective manufacture published informations)

Product Name
(Manufacture part #)		 Capacity
(formatted)		 Interface Transfer Rate
(MB/sec)		 Buffer Size
(KB)		 Ave. Seek Time
(ms)		 Rotational
Speed (RPM)
MX82560D3 2.5GB
(2560MB)		 EIDE 16.6 MB/s (Mode 4 PIO)
33.3 MB/s (Mode 2 Ultra DMA)		 256 10ms 5200
MX83240D4 3.2GB
(3240MB)		 EIDE 16.6 MB/s (Mode 4 PIO)
33.3 MB/s (Mode 2 Ultra DMA)		 256 10ms 5200
MX84320D5 4.0GB
(4320MB)		 EIDE 16.6 MB/s (Mode 4 PIO)
33.3 MB/s (Mode 2 Ultra DMA)		 256 10ms 5200
MX85120A8 5.1GB
(5120MB)		 EIDE 16.6 MB/s (Mode 4 PIO)
33.3 MB/s (Mode 2 Ultra DMA)		 256 10ms 5400
MX87000D8 7.0GB
(7000MB)		 EIDE 16.6 MB/s (Mode 4 PIO)
33.3 MB/s (Mode 2 Ultra DMA)		 256 10ms 5200