Hitachi DK23DA-30F Owners Manual - Page 13
Specification Summary, 1 Principal Specifications, DK23DA - 30
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3.0 Specification Summary 3.1 Principal Specifications Table 3.1 Principal Specifications Specifications No. Item DK23DA- DK23DA- DK23DA- DK23DA- 40F 30F 20F 10F 1 Capacity per drive (Formatted) Capacity per sector Disks Heads Cylinders 2 Seek time Average (Nominal Maximum value) Minimum 3 Average latency Disk rotational speed 4 Recording density Track density Recording method 5 Interface Data transfer rate (Disk-Buffer) Data transfer rate (Host-Buffer) 40.007 30.005 20.003 10.056 512 2 2 1 1 4 3 2 1 33,067 13 *1 25 *1 3 7.1 4,200 Max. 600 55.0 ME2PRML, ID-Less format ATA-5(IDE) 18.7 - 34.7 Max. 16.6 (PIO mode 4/ Multiword DMA mode 2) Buffer size 6 Power on - Ready *2 Sleep/Standby - Ready *2 7 DimensionsʢWʷHʷD) Max. 100 (Ultra DMA mode 5) 2,048 5 (Typical) *3 3 (Typical) *3 70Wʷ9.5Hʷ100D Weight (Approximate value) 8 DC Power Requirements *4 (Typical) 95 95 91 91 +5v ʶ 5% Ripple noise 150mvp-p or less - Start up *5 0.90 A(4.5W) - Idle *6 0.13 A(0.65W) - Low Power Active *7 0.33 A(1.65W) -Seek *8 0.45 A(2.25W) - Read/Write *9 0.40/0.40 A(2.0/2.0W) - Standby 0.050 A(0.25W) - Sleep 0.020 A(0.1W) Units GB Bytes ms ms ms ms RPM kBPI kTPI MB/sec MB/sec MB/sec kB sec sec mm grams K6602705 Rev.3 08.20.01 - 13 -