This HP 647907-B21 compatible 4GB DDR3-1333MHz Dual Rank Unbuffered ECC 1.35V 240-pin CL9 factory original UDIMM is 100% guaranteed to be compatible with your system and to work right the first time. Adding additional memory is the best way to increase the performance of your system. All our memory is built to strict JEDEC standards to meet or exceed the Tier 1 OEM's factory requirements. Our products are also guaranteed by federal law to not affect or void OEM warranties.
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CAS Latency:CL9,Chip By Value:x8,Compatible OEM:HP,DIMM Type:Unbuffered,Error Correction:ECC,Factory Original Tier 1:Yes,Form Factor:UDIMM,Kit:No Kit - 1 Piece,Memory Size:4GB,Memory Speed:DDR3-1333MHz,Memory Voltage:1.35V,Pins:240,Product Shipping Dimension(HxWxD):0.5 in. x 2 in. x 6.5 in.,Product Shipping Weight(LB):0.5,Rank:Dual,Speed:1333MHz,Technology:DDR3,UPC Code:821455230060,Distributor: D&H:To Be Determined,Distributor: Ingram Micro:To Be Determined,Distributor: Ingram Micro Canada:To Be Determined,Distributor: Synnex Corporation:4103399,Distributor: Tech Data:11777542,Reseller: Provantage:To Be Determined,Reseller: SHI:To Be Determined,Reseller: Tiger Direct:To Be Determined