Find the Right Flash Card, Flash Drive, Memory or Hard Drive Storage UpgradeUPGRADE NAVIGATOR
Find the Right Flash Card, Flash Drive, Memory or Hard Drive Storage Upgrade
Flash Card, Flash Drive, Memory or Hard Drive Storage Upgrades
Manufacturer HP/COMPAQ
Model Presario 18XLxxx series 18XL280 to 18XL590
System Type Notebook
Standard Memory 64/128/192 (64MB Soldered)
Maximum Memory N/A (Please select your specific submodel above)
Sockets 1
Slots/Banks 1
Installation Notes System may ship with 64MB, 96MB or 128MB of Ram, 650MHz to 1GHz to processor speed. System can expand up to 192MB or 320MB depending on Model. System can support 6GB or 20GB Removable Hard Drive.
Please select a sub-model for more information:
  1. 18XL280 203017-003 Mobile Intel Pentium III-M 650 MHz
  2. 18XL380 199218-003 Mobile Intel Pentium III-M 700 MHz
  3. 18XL390 148651-003 Mobile Intel Pentium III-M 850 MHz
  4. 18XL580 470011-142 Mobile Intel Pentium III-M 800 MHz
  5. 18XL590 Mobile Intel Pentium III-M 1 GHz
 We Found 7 Compatible Products for "HP/COMPAQ Presario 18XLxxx series 18XL280 to 18XL590"
SimpleTech Product Name Capacity SimpleTech Part # OEM Part #
Memory Upgrades
SimpleTech 256MB PC100 SDRAM Memory - Compaq Part 131554-B21256 MBSTH1456/256B131554-B21, 161554-B21, 176673-B21, F1654A, F1654B, 167136-001, 175325-001N/A
External USB2.0 Storage
750GB SimpleDrive USB 2.0 External Hard Drive (designed by Pininfarina)750 GBSP-U35/750N/AN/A
500GB SimpleDrive USB 2.0 External Hard Drive (designed by Pininfarina)500 GBSP-U35/500N/AN/A
250GB Signature Drive USB 2.0 External Hard Drive (designed by Pininfarina)250 GBSP-U35/250N/AN/A
External USB2.0/FireWire Combo Storage
750GB SimpleDrive USB 2.0/FireWire External Hard Drive (designed by Pininfarina)750 GBSP-UF35/750N/AN/A
500GB SimpleDrive USB 2.0/FireWire External Hard Drive (designed by Pininfarina)500 GBSP-UF35/500N/AN/A
250GB SimpleDrive USB 2.0/FireWire External Hard Drive (designed by Pininfarina)250 GBSP-UF35/250N/AN/A