The 1GB MicroDrive uses hard disk drive (HDD) technology to store information. It has an industry standard Compact Flash + Type II form factor. The Microdrive's convenient small form factor enables data to be shared among different ThinkPad notebooks and devices.

Performance
Data buffer (KB)	128
Rotational speed (RPM)	3600
Latency (average ms)	8.33
Media transfer rate (Mbits/sec)	38.8 to 59.9
Interface transfer rate (MB/sec)	5.2
Sustained data rate, typical read or write (MB/sec)	2.6 (min); 4.2 (max)
Seek time (read)
Average (ms)	12
Track-to-track (ms	2
Full-track (ms)	20
Reliability
Error rate (nonrecoverable)	< 1 per 1.0 E 13 bits transferred
Load/unload cycles	300,000
Power	+3.3V power supply	+5V power supply
Voltage requirement (auto-detect)	+3.3VDC, +-5% or	+5VDC, +-5%
Current (write)	250 mA	260 mA
Current (standby)	20 mA	20 mA
Power consumption efficiency (watts/MB)	0.000495/0.000967	0.00085/0.00166
Physical size
Height (mm)	5 +0 / -0.10
Width (mm)	42.80/+-0.10
Depth (mm)	36.40/+-0.15
Weight (g)	16 (max)
Environmental characteristics	Operating	Nonoperating
Ambient temperature	0 to 55 C	-40 to 65 C
Relative humidity (noncondensing)	8 to 90%	5 to 95%
Shock (half sine wave)	175 G (2 ms)	1500 G (1 ms)
Vibration (random [RMS])	0.67 G (5 to 500 Hz)	3.01 G (5 to 500 Hz)
Vibration (swept sine)	1 G 0-peak (5 to 500 Hz	NA

Internal view

Partial List of Guaranteed Compatible Cameras for the IBM Microdrive:

If a backorder occurs, we may substitute for a ULTRA 1GB 45X high speed compact flash card for no extra charge.