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  • Jun 23, 2011 DIMM slots are configured as “channels” with either 3 channels of 2 DIMM slots each (server models with 12 DIMM slots), or 3 channels of 3 DIMM slots each (server models with 16 or 18 DIMM slots). Each channel supports no more than 8 ranks of memory. Simply put, no more than 12 quad-rank DIMMs can be installed in these servers.
  • How to check RAM slots available on Windows 10. To confirm the number of memory slots available on your computer or laptop, use these steps on Windows 10. Open Start.; Search for Task Manager.

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DIMM (dual in-line memory module) slots are the place on your motherboard where the RAM goes. As such, you may also see DIMM slots referred to as “RAM slots.” The more DIMM slots your.

-written by Jeff Goldenbaum, Dataram Memory Blog Team Member

Comparing Quad-Rank and Dual-Rank Memory Modules

The term “rank” simply refers to a 64-bit chunk of data. In its simplest form, a DIMM with DRAM chips on just one side would contain a single 64-bit chunk of data and would be called a single- rank (1R) module. DIMMs with chips on both sides often contain at least two 64-bit chunks of data and are referred to as dual-rank (2R) modules. Some DIMMs can have DRAM chips on both sides but are configured so that they contain two 64-bit data chunks on each side—four in total—and are referred to as quad-rank (4R) modules. Quad-rank DIMMs run at a maximum PC3-8500 (DDR3-1066) speed in current architecture.

Why Have Quad-Rank DIMMs?

With each new generation of DRAM chip, quad-rank DIMMs are the least expensive way to achieve the highest density DIMM. Today, a 16GB dual-rank DDR3 DIMM is built with thirty-six 4Gb (gigabit) chips. A quad-rank 32GB DIMM will utilize thirty-six “dual-die” (essentially two DRAMs within each physical chip) 4Gb chips. Until the next generation 8Gb chips become more mainstream and production costs come down, we won’t see a cost-effective dual-rank 32GB DIMM. But when that does occur, you’ll not only see dual-rank 32GB DIMMs, but you’ll also see quad-rank 64GB DIMMs!

Quad-rank DIMMs actually perform best in Xeon 7500 CPU based systems as the memory BOB (buffer-on board) architecture delivers better performance compared to single- or dual-rank DIMMs of equal capacity. The maximum speed is still PC3-8500 and is consistent regardless of whether the system has the minimum configuration or is fully loaded.

When to Consider Ranks

Today’s 2-way servers with Intel Xeon 5600 series processors that utilize DDR3 memory technologies have limitations when it comes to how many ranks of memory may be installed. DIMM slots are configured as “channels” with either 3 channels of 2 DIMM slots each (server models with 12 DIMM slots), or 3 channels of 3 DIMM slots each (server models with 16 or 18 DIMM slots). Each channel supports no more than 8 ranks of memory. Simply put, no more than 12 quad-rank DIMMs can be installed in these servers. To utilize all available slots in servers with 16 or 18 DIMM slots, the use of dual-rank DIMMs is required.

A memory slot, memory socket, or RAM slot allows RAM (computer memory) to be inserted into the computer. Most motherboards have two to four memory slots, which determine the type of RAM used with the computer. The most common RAM types are SDRAM and DDR for desktop computers and SODIMM for laptop computers, each having various types and speeds. The picture below is an example of what memory slots may look like inside a desktop computer. In this picture, there are three open and available slots for three memory sticks.

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When buying a new computer or motherboard, pay close attention to the types of RAM the memory slots can accept. Make sure you know exactly the type of RAM to buy for your computer. It is also important to note how many available memory slots are available in your computer. It is not uncommon for computers to have all memory slots occupied. If all slots are full and you want to upgrade the computer memory, you need to remove some or all of the existing memory.

Why are the memory slots different colors?

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When a motherboard has different colored memory slots, it indicates the memory slots are dual-channel, and pairs of memory should be installed on the same channel (color). For example, a motherboard could have two yellow and two black memory slots. The yellow memory slots could indicate Channel A and Channel B could be indicated by the black slots. Gionee m6 price at slot machine. If you were only installing two memory sticks, you'd want to install both of them in Channel A (yellow slots) for optimal performance.

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