| Manufacturer | ACP |
| Manufacturer Part # | 187418-B21-AA |
| Cost Central Item # | 10281644 |
| Product Description | Memory Upgrades - Memory - 512 MB ( 2 x 256 MB ) - DIMM 184-pin - DDR - 200 MHz / PC1600 - registered - ECC |
| Storage Capacity | 512 MB ( 2 x 256 MB ) |
| Upgrade Type | System specific |
| OEM Manufacturer Equivalent Part Number | HP 187418-B21 |
| Technology | DDR SDRAM |
| Form Factor | DIMM 184-pin |
| Memory Speed | 200 MHz ( PC1600 ) |
| Data Integrity Check | ECC |
| Features | Registered |
| Storage Capacity | 512 MB ( 2 x 256 MB ) |
| Upgrade Type | System specific |
| OEM Manufacturer Equivalent Part Number | HP 187418-B21 |
| Compatible Slots | 2 x memory - DIMM 184-pin |