Toshiba MK538FB 1.2GB 4.2K 50pin SE SCSI Hard Drive

Capacity: 1GB
Spindle Speed: 4,200RPM
Interface Type: SCSI 50pin
Disk Size: 3.5″x1.6″ (Newer hot-swap chassis do not support this size)
Sustained Throughput (MBps): 
Average Seek Time (read/write ms): 12ms
Electrical Interface Speed: SCSI II Fast – 10MBps 16-bit
On-Board Cache: 0.5MB

The Toshiba MK538FB is a 1.2GB capacity, 4200rpm,  high-performance, energy-efficient SCSI drive that comes in the 3.5-inch form-factor.

Mfgr: Toshiba 
Model:  MK538FB 
Capacity: 1.2GB / 1230MB 
Spindle Speed: 4200rpm 
Cache: 512K 
Cylinders: 1980 
Heads: 15 
Platters: 8 
Form Factor: 3.5″ 
Thickness 1.6″ 
Avg Seek: 12ms