ADATA's latest XPG V2 RAM modules push ahead of the competition with 3,100 MHz speeds

Dave James

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Big numbers are certainly good for headlines and the new RAM kits in ADATA's XPG V2 range have some of the biggest in the system memory world. Their new DDR3 modules are rated at 3,100MHz - which is some 100MHz quicker than RAM rivals G.Skill have managed so far. But how important is RAM in a modern rig? Are all those hertz necessary? Let's talk more numbers.

These new Gundam-styled memory modules are built with the new Haswell Z87 chipset in mind and have been created so that all the overclocking pain has been taken out of hitting those headline speeds. The Intel extreme memory profiles will allow you to simply select the 3,100MHz profile from your motherboard's BIOS (yes, you're going to have to delve into that murky world). One reboot later, and you'll be flying along with huge amounts of memory bandwidth.

At that top speed, you're sadly going to hit some incredibly high CAS latencies (the time it takes your memory controller to call and retrieve data from your stick). Without messing with your BIOS and the XMP settings the modules sit at timings of CL9-9-9-24 when they're running at 1,333MHz. Push them up to a nosebleed-inducing 3,100MHz though and those timings soar to CL12-14-14-36.

I told you there'd be more numbers.

System memory...Gundam style

High frequency at low latency is the ideal situation, of course. I'll have to wait until I get the sticks in my test rig to see whether high freq/high latency RAM speeds beat lower freq/low latency sticks when gaming. I foresee a lot of memory benchmarking ahead. If I had to guess, I'd be chasing lower latencies for my gaming PC instead of the Mhz.

Memory is becoming important again, and not - as you might expect - because of the new kits released for Haswell. It's AMD and their APUs which really see a massive benefit from high performance system memory.

AMD's APUs love a good bit of high-frequency memory

There's also a lot to be said for high-capacity RAM when you're running your system from a solid state drive. Tom's Hardware recently ran an experiment to see what effect more system memory had on the SSD's workload. The TL:DR of it all is that with more RAM your intensive apps are writing less to the SSD and therefore extending its operational lifespan. If you're running an AMD setup with an SSD, speedy RAM may well be a worthwhile investment.

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