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DDR4 is not compatible with any earlier type of random-access memory (RAM) due to different signaling voltage and physical interface, besides other factors. DDR4 SDRAM was released to the public market in Q2 2014, focusing on ECC memory , [ 6 ] while the non-ECC DDR4 modules became available in Q3 2014, accompanying the launch of Haswell-E ...
Double Data Rate Synchronous Dynamic Random-Access Memory (DDR SDRAM) is a double data rate (DDR) synchronous dynamic random-access memory (SDRAM) class of memory integrated circuits used in computers. DDR SDRAM, also retroactively called DDR1 SDRAM, has been superseded by DDR2 SDRAM, DDR3 SDRAM, DDR4 SDRAM and DDR5 SDRAM.
Two AMD powered models were announced in 2009 — the 14" ProBook 6445b and the 15.6" ProBook 6545b; [35] Their Intel powered counterparts were announced three months later as the 14" ProBook 6440b and the 15.6" ProBook 6540b.; [36] and the next-year upgrade is an AMD-powered 6455b and 6555b, and Intel-based 6450b and 6550b.
For example, an upgrade of RAM may not be compatible with existing RAM in a computer. Other hardware components may not be compatible after either an upgrade or downgrade, due to the non-availability of compatible drivers for the hardware with a specific operating system. Conversely, there is the same risk of non-compatibility when software is ...
As the RAM and eMMC are soldered in, you cannot upgrade this model. The other version comes with either the Pentium or Core-m3 CPU, 2 or 4 GB of RAM socketed, and a 500 GB 2.5 inch HDD, upgradable to any SATA based 2.5 inch drive.
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.
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Acer Aspire Switch 10 was announced in April 2014. It is a 10.1-inch two-in-one, with a 1366 × 768 resolution display and Intel Atom Z3745 processor. A second-generation Acer Aspire Switch 10 was then launched in October 2014 It was given a different display resolution of 1280 × 800, and a different Intel Atom Z3735F processor.