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This item, 187421-B21, is the HP retail number for the product described as 4GB (2x2gb) PC1600 DDR SDRAM Compaq Proliant Memory RAM Kit. Further details below.HP Option Part #: 187421-B21
HP Spare Part #: 265791-001 (2 per retail kit)
Assembly Part #: 175920-052 (2 per retail kit)
- Storage Capacity: 4 GB (2x 2gb modules)
- Generation: PC1600
- Speed: 200 Mhz
- Technology: DDR SDRAM
- Form Factor: DIMM 184-pin
- Data Integrity Check: ECC
- Registered: Yes
- Additional Info: These modules must be installed in pairs.
Last Updated: 7/15/2016
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