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Double Data Rate 2 Synchronous Dynamic Random-Access Memory (DDR2 SDRAM) is a double data rate (DDR) synchronous dynamic random-access memory (SDRAM) interface. It is a JEDEC standard (JESD79-2); first published in September 2003. [2] DDR2 succeeded the original DDR SDRAM specification, and was itself succeeded by DDR3 SDRAM in 2007.
A test with DDR and DDR2 RAM in 2005 found that average power ... while DDR2 prices declined. In January 2009, 1 GB DDR1 was 2–3 times more expensive than 1 GB DDR2.
The CPU is an Intel Atom N270 @ 1.6 GHz, and the standard model came with 1 GB DDR2 RAM occupying the single memory slot. The 160 GB Hard Disk Drive had Microsoft Windows XP Home pre-installed. Also standard are the 6-cell battery, the 1.3M pixel webcam and integrated microphone, and both Ethernet and Wi-Fi 802.11 b/g network connections.
The desktop contained an AMD Athlon II X4 640 processor, 4 GB of DDR3 RAM, a 500 GB hard disk drive, and ATI Radeon HD 3000 discrete graphics. [27] The desktop was indicated by Lenovo to be "multi-monitor friendly", with the capacity to power two displays even with the basic configuration. [ 27 ]
The laptops featured 14 inch and 15.6 inch widescreen displays respectively. [11] The G455 was released in China as the G455A; the United States received a later release – March 2010. [12] The additional features on the G555 laptop are as follows: [13] Memory: 3GB DDR2; Storage: 160GB hard disk drive; Web camera: integrated
Corresponding 240-pin DIMMs are known as PC2-3200 through PC2-6400. DDR2 SDRAM is now available at a clock rate of 533 MHz generally described as DDR2-1066 and the corresponding DIMMs are known as PC2-8500 (also named PC2-8600 depending on the manufacturer). Performance up to DDR2-1250 (PC2-10000) is available.
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Dell Vostro is a line of business-oriented laptop and desktop computers manufactured by Dell aimed at small to medium range businesses. From 2013–2015, the line was temporarily discontinued on some Dell websites but continued to be offered in other markets, such as Malaysia and India.