| System Model | DESCRIPTION | Part # | OEM Part # | PRICE |
| XP334, 336, 337, 338, XP338P PEX | 4MB Memory Module | 516000-XP3F24 | XP3F24 | N/A |
| XP334, 336, 337, 338, XP338P PEX | 8MB Upgrade Kit | 516000-XP3F26 | XP3F26 | $40 |
| XP334, 336, 337, 338, XP338P PEX | 16MB Memory Module | 516000-XP3F28 | XP3F28 | $60 |
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