Crucial 2x8GB DDR4-2666 SODIMM Memory Kit Review

Memory by stefan @ 2019-04-11

By replacing the single-channel 16GB stock DDR4 2400MHz solution with a dual-channel DDR4 2666MHz kit, our DELL Inspiron 7577 became snappier in usual Windows applications and some productivity benchmarks have seen increases as well! Besides Ashes of the Singularity CPU Benchmark, PCMark benchmark suite clearly shows an improvement in Windows OS performance, by leaving the rest of the components running at stock.

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Packaging, A Closer Look

In this review, we will look upon a memory upgrade kit for laptops, consisting of two DDR4 8GB SODIMM 2666MHz modules, manufactured by Micron, under the Crucial brand. Our review kit was shipped as two separate 8GB modules, but there are also dual-channel kits with the modules shipped together, under a different serial number:



After removing the plastic protective packaging, we will get to see that the modules do not have a heatspreader, but a sticker that covers the entire row of memory ICs; here we will note their internal code name, but also specifications such as memory quantity, rated speed, operating voltage and CAS latencies:



Micron mentions on the sticker that the removal of these stickers will also void the product warranty:



The back side of the module does feature a similar arrangement, with another central sticker:



The tests will be conducted on our DELL Inspiron 7577 laptop, that does feature a 15.6’’ UHD display, an Intel Core i7-7700HQ CPU, 16GB of DDR4 2400MHz SODIMM RAM, a 512GB M.2 Samsung 970 EVO SSD as a boot drive, one 1TB 5400RPM Seagate HDD for storage but also a Nvidia GTX 1060 Max-Q Design dedicated video card:



Since only a memory slot was occupied, the RAM was running in single channel, so we should experience a performance boost after installing the dual-channel kit, with even a higher operating frequency:



The stock RAM module we have extracted from the 7577 was manufactured by SK Hynix and featured a central sticker with the product SN:



The IC inscription reads H5AN4G8NAFR-UHC:



The RAM kit installation only took a couple of seconds, so let's get on with the testing!



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