Computerby labels mean memory I would trust. I just upgraded an old Sony VAIO laptop (Intel chipset) that was salvaged on the way to recycling. The 64-bit operating systems I prefer can't do much with 2GB, I need more. That's what happened. I had SODIMM DDR2 orphans from previous komputerbay kits where strangely only 4+2=6GB worked, not 4+4=8. In the old VAIO 4+2=6GB Memtest+ didn't load, boo wow even though it was 32-bit Booted Vista, but tested 4+1=5GB as fast dual channel in Memtest+ well. I can't explain why this fancy chipset can't handle >5 for memtest+, you see. Bottom Line: This memory is affordable, comes in "pairs" that I've tested well and work well with others, although some of the sticks I get for pushing and pinching things to the absolute limit don't are perfect, ideally symmetrical. I have a laptop with DDR3 which I would like bundled with 4GB, no doubt I will look at Computerby. Adding an SSD gives you years of better performance from older laptops. Why spend $1,000 or more and be forced to settle for unnecessary UEFI complexity and sealed blocks with no means of access?
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