DEC RZ28-E  Disk Drive

4. Performance Characteristics:
Data Transfer Rate: Approximately 1.0 MB/s to 2.0 MB/s, depending on the specific configuration and interface.
Access Time: Average seek time is typically around 20 ms.
Rotational Speed: Usually operates at a speed of 3600 RPM.
5. Interface:
Connection Type: Often utilizes a SCSI interface (Small Computer System Interface).
Bus Interface: Compatible with DEC's proprietary bus systems.
6. Reliability and Endurance:
MTBF (Mean Time Between Failures): Often rated at 50,000 hours or more.
Error Rate: Typically, an unrecoverable read error rate of about 10^15 bits.
7. Power Specifications:
Input Voltage: Generally operates on +5V DC and +12V DC.
Power Consumption: Usually around 20 Watts during operation.
8. Environmental Specifications:
Operating Temperature Range: Typically rated for 10°C to 35°C.
Storage Temperature Range: Usually rated for -40°C to 70°C.

The DEC RZ28-E is a disk drive unit manufactured by Digital Equipment Corporation (DEC). It is part of the RZ series of disk drives, designed for use with DEC's various computer systems.
1. General Information:
Model Number: RZ28-E
Manufacturer: Digital Equipment Corporation (DEC)
Type: Hard Disk Drive (HDD)
2. Physical Specifications:
Form Factor: Typically a 5.25-inch form factor.
Dimensions: Approximately 3.5" (height) x 9.0" (width) x 12" (depth).
Weight: Approximately 4.5 kg (10 lbs).
3. Storage Capacity:
Capacity: Generally, the RZ28-E has a capacity of 2.0 GB.