Quote:
Memory (Product) [Electronic Accessories]
C2065A 4MB, 80nS, 36-bit SIMM memory module - For HP LaserJet IIISi, 4/4M, 4Si/MX
NO LONGER SUPPLIED
C2066A 8MB, 80nS, 36-bit SIMM memory module - For HP LaserJet IIISi, 4/4M, 4Si/MX
Memory (SIMM) [Electronic Accessories]
D2150-69001 1MB, 80nS, 36-bit SIMM memory module - (C2063A)
NO LONGER SUPPLIED
1818-4709 New part for D2150-69001
D2152-69001 $125.00, 8MB, 80nS, 36-bit SIMM memory module - (C2066A)
REQUIRES RETURN OF DEFECTIVE PART
D2152-63001 $172.00, New part for D2152-69001
D2156-69001 $100.00, 4MB, 80nS, 36-bit SIMM memory module - (C2065A)
REQUIRES RETURN OF DEFECTIVE PART
D2156-63001 $138.00, New part for D2156-69001
D2381-63001 32.00 2MB, 80nS, 36-bit SIMM memory module - (C2064A)
You should be able to find suitable replacements online. Our company uses this third-party vendor quite a bit: