Seagate manual Quick specification chart, Drive specification ST36450A ST36451A

Medalist Pro 6450/6451 Product Manual, Rev. B 3

Quick specification chart

The following table serves as a quick reference for the drives’ perform- ance specifications. These and other specifications are discussed in “Specifications” on page 5.

Drive specification	ST36450A	ST36451A
Guaranteed capacity (Gbytes) (x109 bytes)	6.4	6.4
Guaranteed sectors	12,594,960	12,594,960
Bytes per sector	512	512
Sectors per track	63	63
Logical read/write heads	15	15
Logical cylinders	13,328	13,328
Physical cylinders	6,536	6,536
Physical read/write heads	10	10
Physical discs	5	5
Areal density (Mbits per square inch)	928.8	928.8
Data zones	19	19
Recording density (bits per inch)	138,011	138,011
Track density (tracks per inch)	6,730	6,730
Spindle speed (RPM)	5,397	5,397
Track-to-track seek time (msec typical)	2.0	2.0
Average read seek time (msec typical)	9.5	9.5
Average write seek time (msec typical)	10.0	10.0
Full-stroke seek time (msec typical)	20	20
Average latency (msec)	5.58	5.58
Internal data-transfer rate
(Mbits per sec max)	63 to 116	63 to 116
External transfer rate (Mbytes per sec max)	16.6	33.3
Cache buffer (Kbytes)	512	512
ECC on-the-fly (bits)	65	65

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