HP 1818-4703 4 MB 80 ns 72-pin SIMM parity RAM module.
 
General info
Brand & model: HP 1818-4703
Format: 72 pin SIMM
Capacity each: 4 MB
Total capacity of set: 4 MB
Speed: 80 ns
Parity: yes
Type of DRAM chips: FPM
Voltage: 5 V
Amount of modules: 1

Included is:
- HP 1818-4703 4 MB 80 ns 72-pin SIMM parity RAM module