Hitachi

 

  • 2.16 GB total capacity
  • 12.7 mm high drive for maximum capacity slimline notebooks
  • 2 Gb/in² areal recording density
  • MR head and PRML read channel technology
  • 32-bit RISC microprocessor, shock sensor, S.M.A.R.T.
  • ATA-3 / Ultra DMA interface with 128 kB read/write cache

Specifications DK226A-21/21U
Total Capacity 2.16 GB
Z-Height 12.7 mm
Number of Disks 2
Interface ATA-3 / Ultra DMA
Average Seek Time 12 ms
Internal Transfer Rate 6.0 - 9.1 MB/s
Interface Transfer Rate 16.6 MB/s max. (PIO Mode 4, DMA Mode 2) / 33 MB/s (Ultra DMA)
Data Buffer 128 kB (R/W segmented cache)
Rotational Speed 4,000 rpm
Areal Density 2 Gb/in²
Power Requirements +5V ±5%
Power Dissipation (R/W) 2.35 W
Power Dissipation (Idle) 0.95 W / 1.05 W
Shock Operating 100 G (2 ms half sine wave)
Shock Non-Operating 250 G (2 ms half sine wave)
MTBF 300,000 power-on hours
Weight 145 g
Acoustic Noise 27 dBA (typ.)