Информационно-справочный портал MorePC.ru

Western Digital WD1800BB


WD Caviar High-Performance 7200 hard drivesare the performance champions for advanced desktop personal computers.

Rotational Speed: 7200 RPMCapacities: Up To 250 GB
Interface: Ultra ATA/100Average Read Seek Time: 8.9 ms
Buffer Size: 2 MB
Data Lifeguard: WD's exclusive hardware, software and services designed to protect your data.


Rotational Speed7,200 RPM (nominal)
Buffer Size2 MB
Read Seek Time (Average)8.9 ms
Write Seek Time (Average)10.9 ms (average)
Track-To-Track Seek Time2.0 ms (average)
Full Stroke Seek21.0 ms (average)
Average Latency4.2 ms (nominal)
Buffer To Disk736.0 Mbits/s (Max)
Mode 5 Ultra ATA100.0 MB/s
Mode 4 Ultra ATA66.6 MB/s
Mode 2 Ultra ATA33.3 MB/s
Mode 4 PIO16.6 MB/s
Mode 2 multi-word DMA16.6 MB/s

Formatted Capacity180,045 MB
Cylinders16,383
Number of Heads (Logical)16
Number of Heads (Physical)6
Sectors Per Track63
InterfaceEIDE
Actuator TypeRotary Voice Coil
Number of Platters3
Bytes Per Sector512
User Sectors Per Drive351,651,888
Servo TypeEmbedded

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)20G, 2 ms
Non-operating Shock200G, 2 ms
Idle Mode35 dBA (average)
Seek Mode 037 dBA (average)
Seek Mode 336 dBA (average)