Memory (RAM)

DDR (184-Pin)
Memory: DDR266, DDR333 & DDR400 Double-Data-Rate Synchronous Dynamic Random Access Memory, better known as DDR SDRAM or DDR RAM for short, is a type of very fast computer memory. DDR RAM is based on the same architecture as SDRAM, but utilizes the clock signal differently to transfer twice the data in the same amount of time.

DDR2 (240-Pin)
Memory: DDR2-400, DDR2-533, DDR2-667 & DDR2-800 DDR-2 is the latest generation of computer memory, which has evolved from DDR (or called DDR-1) memory. DDR-2 has several advantages over DDR-1, including higher speeds, lower power consumption, smaller physical sizes, and greater MB module sizes available. The parts are notched differently, meaning they are not interchangeable. If your system takes the older style DDR-1 memory, it cannot use the newer DDR-2 style memory.

DDR2 (240-Pin)

Memory: DDR2-400, DDR2-533, DDR2-667 & DDR2-800
DDR-2 is the latest generation of computer memory, which has evolved from DDR (or called DDR-1) memory. DDR-2 has several advantages over DDR-1, including higher speeds, lower power consumption, smaller physical sizes, and greater MB module sizes available. The parts are notched differently, meaning they are not interchangeable. If your system takes the older style DDR-1 memory, it cannot use the newer DDR-2 style memory.

Notebook
Memory Types: SDRAM, DDR, and DDR2 All notebook memory found at Keeran Hardware.com is major brand name items. For special requests please use our product request form.

Rambus (184-Pin)
Rambus Incorporated (founded 1990) is a provider of high-speed interface technology, most notably their Rambus Direct RAM memory technology, which was intended to replace SDRAM as the standard memory used in computers.

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Memory (RAM)