| Manufacturer | SMART Modular Technologies |
| Manufacturer Part # | 161554-B21-A |
| Cost Central Item # | 10548901 |
| Product Description | SMART - Memory - 256 MB - SO DIMM 144-pin - SDRAM - 100 MHz / PC100 - 3.3 V - unbuffered - non-ECC |
| Storage Capacity | 256 MB |
| Upgrade Type | System specific |
| OEM Manufacturer Equivalent Part Number | HP 161554-B21 |
| Technology | SDRAM |
| Form Factor | SO DIMM 144-pin |
| Memory Speed | 100 MHz ( PC100 ) |
| Data Integrity Check | Non-ECC |
| Features | Unbuffered |
| Supply Voltage | 3.3 V |
| Manufacturer Warranty | Limited lifetime warranty |