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WDAC160 Capacity 62.5 MB Cylinders 1024 Heads 7 WPComp 1024 Landing Zone 1024 Average Seek Time (ms) sub-17 Sectors / Track 17 Total Sectors 122,265

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WDAC280 Capacity 85.3 MB Cylinders 980 Heads 10 WPComp 980 Landing Zone 980 Average Seek Time (ms) sub-15 Sectors / Track 17 Total Sectors 166,628

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WDAC1170 Capacity 170.6 MB Cylinders 1010 Heads 6 WPComp 1010 Landing Zone 1010 Average Seek Time (ms) sub-17 Sectors / Track 55 Total Sectors 333,300

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WDAC2120 Capacity 125 MB Cylinders 872 Heads 8 WPComp 872 Landing Zone 872 Average Seek Time (ms) sub-15 Sectors / Track 35 Total Sectors 244,530

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WDAC2170 Capacity 170.6 MB Cylinders 1010 Heads 6 WPComp 1010 Landing Zone 1010 Average Seek Time (ms) sub-14 Sectors / Track 55 Total Sectors 333,568

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WDAC2200 Capacity 212.6 MB Cylinders 989 Heads 12 WPComp 989 Landing Zone 989 Average Seek Time (ms) sub-15 Sectors / Track 35 Total Sectors 415,380

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WDAC1210 Capacity 212.6 MB Cylinders 989 Heads 12 WPComp 989 Landing Zone 989 Average Seek Time (ms) sub-13 Sectors / Track 35 Total Sectors 415,380

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WDAC2250 Capacity 256 MB Cylinders 1010 Heads 9 WPComp 1010 Landing Zone 1010 Average Seek Time (ms) sub-13 Sectors / Track 55 Total Sectors 499,950

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WDAC1270 Capacity 270 MB Cylinders 917 Heads 12 WPComp 917 Landing Zone 917 Average Seek Time (ms) sub-11 Sectors / Track 48 Total Sectors 528,192

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WDAC2340 Capacity 341.3 MB Cylinders 1010 Heads 12 WPComp 1010 Landing Zone 1010 Average Seek Time (ms) sub-12 Sectors / Track 55 Total Sectors 666,600

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WDAC1365 Capacity 365.4 MB Cylinders 708 Heads 16 WPComp 708 Landing Zone 708 Average Seek Time (ms) sub-12 Sectors / Track 63 Total Sectors 713,664

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WDAC2420 Capacity 425.3 MB Cylinders 989 Heads 15 WPComp 989 Landing Zone 989 Average Seek Time (ms) sub-12 Sectors / Track 56 Total Sectors 830,760

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WDAC1425 Capacity 426.8 MB Cylinders 827 Heads 16 WPComp 827 Landing Zone 827 Average Seek Time (ms) sub-12 Sectors / Track 63 Total Sectors 833,616

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WDAC2540 Capacity 540.8 MB Cylinders 1048 Heads 16 WPComp 1048 Landing Zone 1048 Average Seek Time (ms) sub-12 Sectors / Track 63 Total Sectors 1,056,384

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WDAC2635 Capacity 639.9 MB Cylinders 1240 Heads 16 WPComp 1240 Landing Zone 1240 Average Seek Time (ms) sub-11 Sectors / Track 63 Total Sectors 1,249,920

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WDAC2700 Capacity 730.3 MB Cylinders 1416 Heads 16 WPComp 1416 Landing Zone 1416 Average Seek Time (ms) sub-11 Sectors / Track 63 Total Sectors 1,427,328

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WDAC2850 Capacity 853.2 MB Cylinders 1654 Heads 16 WPComp 1654 Landing Zone 1654 Average Seek Time (ms) sub-11 Sectors / Track 63 Total Sectors 1,667,232

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WDAC11000 Capacity 1,055.9 MB Cylinders 2046 Heads 16 WPComp 2046 Landing Zone 2046 Average Seek Time (ms) sub-12 Sectors / Track 63 Total Sectors 2,062,268

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WDAC21000 Capacity 1,083.3 MB Cylinders 2100 Heads 16 WPComp 2100 Landing Zone 2100 Average Seek Time (ms) sub-11 Sectors / Track 63 Total Sectors 2,116,800

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WDAC31000 Capacity 1,083.3 MB Cylinders 2100 Heads 16 WPComp 2100 Landing Zone 2100 Average Seek Time (ms) sub-11 Sectors / Track 63 Total Sectors 2,116,800

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WDAC11200 Capacity 1,282 MB Cylinders 2484 Heads 16 WPComp 2484 Landing Zone 2484 Average Seek Time (ms) 11.5 Sectors / Track 63 Total Sectors 2,503,872

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WDAC21200 Capacity 1,203.2 MB Cylinders 2484 Heads 16 WPComp 2484 Landing Zone 2484 Average Seek Time (ms) sub-12 Sectors / Track 63 Total Sectors 2,503,872

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WDAC31200 Capacity 1,203.2 MB Cylinders 2484 Heads 16 WPComp 2484 Landing Zone 2484 Average Seek Time (ms) sub-12 Sectors / Track 63 Total Sectors 2,503,872

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WDAC11600 Capacity 1,624.6 MB Cylinders 3148 Heads 16 WPComp 3148 Landing Zone 3148 Average Seek Time (ms) sub-12 Sectors / Track 63 Total Sectors 3,173,184

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WDAC21600 Capacity 1,624.6 MB Cylinders 3148 Heads 16 WPComp 3148 Landing Zone 3148 Average Seek Time (ms) sub-12 Sectors / Track 63 Total Sectors 3,173,184

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WDAC31600 Capacity 1,624.6 MB Cylinders 3148 Heads 16 WPComp 3148 Landing Zone 3148 Average Seek Time (ms) sub-12 Sectors / Track 63 Total Sectors 3,173,184

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WDAC21700 Capacity 1,707.2 MB Cylinders 3308 Heads 16 WPComp 3308 Landing Zone 3308 Average Seek Time (ms) sub-12 Sectors / Track 63 Total Sectors 3,334,464

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WDAC22000 Capacity 2,000 MB Cylinders 3876 Heads 16 WPComp 3876 Landing Zone 3876 Average Seek Time (ms) 11.5 Sectors / Track 63 Total Sectors 3,907,008

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WDAC12100 Capacity 2,111.8 MB Cylinders 4092 Heads 16 WPComp 4092 Landing Zone 4092 Average Seek Time (ms) 9.5 Sectors / Track 63 Total Sectors 4,124,736

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WDAC22100 Capacity 2,111.8 MB Cylinders 4092 Heads 16 WPComp 4092 Landing Zone 4092 Average Seek Time (ms) sub-12 Sectors / Track 63 Total Sectors 4,124,736

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WDAC32100 Capacity 2,111.8 MB Cylinders 4092 Heads 16 WPComp 4092 Landing Zone 4092 Average Seek Time (ms) sub-12 Sectors / Track 63 Total Sectors 4,124,736

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WDAC12500 Capacity 2,559.8 MB Cylinders 4960 Heads 16 WPComp 4960 Landing Zone 4960 Average Seek Time (ms) 9.5 Sectors / Track 63 Total Sectors 4,999,680

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WDAC22500 Capacity 2,560 MB Cylinders 4960 Heads 16 WPComp 4960 Landing Zone 4960 Average Seek Time (ms) 11.5 Sectors / Track 63 Total Sectors 4,999,680

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WDAC32500 Capacity 2,559.8 MB Cylinders 4960 Heads 16 WPComp 4960 Landing Zone 4960 Average Seek Time (ms) sub-12 Sectors / Track 63 Total Sectors 4,999,680

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WDAC33100 Capacity 3,166.7 MB Cylinders 6136 Heads 16 WPComp 6136 Landing Zone 6136 Average Seek Time (ms) sub-12 Sectors / Track 63 Total Sectors 6,185,088

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WDAC13200 Capacity 3,249.3 MB Cylinders 6296 Heads 16 WPComp 6296 Landing Zone 6296 Average Seek Time (ms) 9.5 Sectors / Track 63 Total Sectors 6,346,368

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WDAC23200 Capacity 3,249.3 MB Cylinders 6296 Heads 16 WPComp 6296 Landing Zone 6296 Average Seek Time (ms) 11.5 Sectors / Track 63 Total Sectors 6,346,368

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WDAC33200 Capacity 3,249.3 MB Cylinders 6296 Heads 16 WPComp 6296 Landing Zone 6296 Average Seek Time (ms) 11.5 Sectors / Track 63 Total Sectors 6,346,368

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WDAC34000 Capacity 4,001 MB Cylinders 7752 Heads 16 WPComp 7752 Landing Zone 7752 Average Seek Time (ms) 11.5 Sectors / Track 63 Total Sectors 7,814,016

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WDAC34200 Capacity 4,223.7 MB Cylinders 8184 Heads 16 WPComp 8184 Landing Zone 8184 Average Seek Time (ms) sub-12 Sectors / Track 63 Total Sectors 8,249,472

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WDAC14300 Capacity 4,311.9 MB Cylinders 8912 Heads 15 WPComp 8912 Landing Zone 8912 Average Seek Time (ms) 9.5 Sectors / Track 63 Total Sectors 8,421,840

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WDAC24300 Capacity 4,311.9 MB Cylinders 8912 Heads 15 WPComp 8912 Landing Zone 8912 Average Seek Time (ms) 9.5 Sectors / Track 63 Total Sectors 8,421,840

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WDAC34300 Capacity 4,304.2 MB Cylinders 8896 Heads 15 WPComp 8896 Landing Zone 8896 Average Seek Time (ms) sub-12 Sectors / Track 63 Total Sectors 8,406,720

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WDAC25100 Capacity 5,163.5 MB Cylinders 10672 Heads 15 WPComp 10672 Landing Zone 10672 Average Seek Time (ms) 9.5 Sectors / Track 63 Total Sectors 10,085,040

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WDAC35100 Capacity 5,163.5 MB Cylinders 10672 Heads 15 WPComp 10672 Landing Zone 10672 Average Seek Time (ms) sub-12 Sectors / Track 63 Total Sectors 10,085,040

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WDAC26400 Capacity 6,448.6 MB Cylinders 13328 Heads 15 WPComp 13328 Landing Zone 13328 Average Seek Time (ms) 9.5 Sectors / Track 63 Total Sectors 12,594,960

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WDAC36400 Capacity 6,448.6 MB Cylinders 13328 Heads 15 WPComp 13328 Landing Zone 13328 Average Seek Time (ms) 9.5 Sectors / Track 63 Total Sectors 12,594,960

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NOTE: All drives 8.4 GB and larger have the same cylinders, heads, and sectors. For an explanation, please see our 8.4+ GB Drive FAQ.
 

WDAC28400 Capacity 8,455.2 MB Cylinders 16383 Heads 16 WPComp 16383 Landing Zone 16383 Average Seek Time (ms) 9.5 Sectors / Track 63 Total Sectors 16,514,064

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WDAC38400 Capacity 8,455.2 MB Cylinders 16383 Heads 16 WPComp 16383 Landing Zone 16383 Average Seek Time (ms) 9.5 Sectors / Track 63 Total Sectors 16,514,064

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WDAC310100 Capacity 10,141 MB Cylinders 16383 Heads 16 WPComp 16383 Landing Zone 16383 Average Seek Time (ms) 9.5 Sectors / Track 63 Total Sectors 19,807,200

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WDAC210200 Capacity 10,262 MB Cylinders 16383 Heads 16 WPComp 16383 Landing Zone 16383 Average Seek Time (ms) 9.0 Sectors / Track 63 Total Sectors 20,044,080

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WDAC310200 Capacity 10,262 MB Cylinders 16383 Heads 16 WPComp 16383 Landing Zone 16383 Average Seek Time (ms) 9.5 Sectors / Track 63 Total Sectors 20,044,080

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WDAC313000 Capacity 13,020 MB Cylinders 16383 Heads 16 WPComp 16383 Landing Zone 16383 Average Seek Time (ms) 9.5 Sectors / Track 63 Total Sectors 25,429,824

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WDAC514400 Capacity 14,400 MB Cylinders 16383 Heads 16 WPComp 16383 Landing Zone 16383 Average Seek Time (ms) 9.5 Sectors / Track 63 Total Sectors 28,229,040

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WDAC315300 Capacity 15,377 MB Cylinders 16383 Heads 16 WPComp 16383 Landing Zone 16383 Average Seek Time (ms) 9.0 Sectors / Track 63 Total Sectors 30,033,360

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WDAC516800 Capacity 16,800 MB Cylinders 16383 Heads 16 WPComp 16383 Landing Zone 16383 Average Seek Time (ms) 9.5 Sectors / Track 63 Total Sectors 33,022,080

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WDAC420400 Capacity 20,416 MB Cylinders 16383 Heads 16 WPComp 16383 Landing Zone 16383 Average Seek Time (ms) 9.0 Sectors / Track 63 Total Sectors 39,876,480

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