This 133MHz ECC SDRAM module allows customer to increase the memory in their ProLiant ML, DL & BL servers. Memory is rigorously tested to make certain that it will integrate easily into your ProLiant server.Brand Name: HP-IMSourcingError Checking: ECCMemory Size: 256 MBMemory Speed: 133 MHzMemory Standard: PC133Memory Technology: SDRAMNumber of Pins: 168-pinProduct Type: RAM ModuleSignal Processing: RegisteredBasicBrand Name: HP-IMSourcingError Checking: ECCMemory Size: 256 MBMemory Speed: 133 MHzMemory Standard: PC133Memory Technology: SDRAMNumber of Pins: 168-pinProduct Type: RAM ModuleSignal Processing: RegisteredGeneral InformationBrand Name: HP-IMSourcingManufacturer: HP-IMSourcingManufacturer Part Number: 128278-B21Package Type: RetailPackaged Quantity: 1Product Name: 256MB SDRAM Memory ModuleProduct Type: RAM ModuleMemoryError Checking: ECCMemory Size: 256 MBMemory Speed: 133 MHzMemory Standard: PC133Memory Technology: SDRAMSignal Processing: RegisteredMiscellaneousAdditional Information: Compatibility: PCRAM Check Width: 8 BitRAM Data Width: 64 BitCompatibility: Compaq Server - ProLiant DL320Compaq Server - ProLiant DL360Compaq Server - ProLiant ML330 G2Compaq Server - ProLiant ML350 G2Compaq Server - ProLiant ML530Physical CharacteristicsNumber of Pins: 168-pinProduct InformationCompatibility: Compaq Server - ProLiant DL320Compaq Server - ProLiant DL360Compaq Server - ProLiant ML330 G2Compaq Server - ProLiant ML350 G2Compaq Server - ProLiant ML530Package Type: RetailPackaged Quantity: 1StorageMemory Size: 256 MBTechnical InformationError Checking: ECCMemory Size: 256 MBMemory Speed: 133 MHzMemory Standard: PC133Memory Technology: SDRAMNumber of Modules: