Western Digital Caviar Blue WD2500AAJB 250GB 7200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 3.5" Internal Hard Drive

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Western Digital Caviar Blue WD2500AAJB 250GB 7200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 3.5" Internal Hard Drive

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WD Caviar Special Edition 7200 hard drivesdeliver data to users faster than any desktop hard drive has before. Perfect for games, DV editing and file server applications.

	Rotational Speed: 7200 RPM		Capacities: Up To 250 GB
	Interface: Ultra ATA/100		Average Read Seek Time: 8.9 ms
	Buffer Size: 8 MB		Average Read Seek Time: 8.9 ms

Rotational Speed	7,200 RPM (nominal)
Buffer Size	8 MB
Read Seek Time (Average)	8.9 ms
Write Seek Time (Average)	10.9 ms (average)
Track-To-Track Seek Time	2.0 ms (average)
Full Stroke Seek	21.0 ms (average)
Average Latency	4.2 ms (nominal)
Buffer To Disk	748.0 Mbits/s (Max)
Mode 5 Ultra ATA	100.0 MB/s
Mode 4 Ultra ATA	66.6 MB/s
Mode 2 Ultra ATA	33.3 MB/s
Mode 4 PIO	16.6 MB/s
Mode 2 multi-word DMA	16.6 MB/s

Formatted Capacity	250,059 MB
Cylinders	16,383
Number of Heads (Logical)	16
Number of Heads (Physical)	6
Sectors Per Track	63
Interface	EIDE
Actuator Type	Rotary Voice Coil
Number of Platters	3
Bytes Per Sector	512
User Sectors Per Drive	488,397,168
Servo Type	Embedded

Height (English)	1.028 Inches (Max)
Length (English)	5.787 Inches (Max)
Width (English)	4.00 Inches (+/- 0.010 inch)
Weight (English)	1.32 Pounds (+/- 0.14 pounds)
Operating Shock (Read)	65G, 2 ms
Non-operating Shock	250G, 2 ms
Idle Mode	34 dBA (average)
Seek Mode 0	36 dBA (average)
Seek Mode 3	35 dBA (average)

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