What RAM? I'm confused.

5
Posted 19th Mar
Hi all

I am trying to upgrade the RAM of our HP Compaq Elite Business PC 8300 CMT from 4x2GB to 4x4GB or 2x8GB.

According to HP the PC needs DDR3 PC3-12800 1600 MHz 240-pin DIMM.

I am looking for used or refurbished deals, or cheap new deals. Some have the RAM listed as 12800R or 12800U or 12800S. Do these letters matter? I mean, I know what the letters stand for, but I do not know if they would all work for our PC or only some or none of them.

Can you help?

Resali
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Crucial used to have a program on website that checked what motherboard needed worth checking via this.
Found this from a Google search...


The "R" is for Registered which is usually used in servers.
The "U" stands for unbuffered non ECC.
The "E" stands for unbuffered ECC (not registred)
The "S" for SO-DIMM, a format of DIMM's used for laptops
DDR3 1333.
Max 4 x 8GB

Add 2 sticks of this will do the job
uk.webuy.com/pro…ory
It's not a particularly standard notation but if they are as Diggsy suggests, which would make sense, then only the UDIMMs will work as system doesn't support registered or ECC memory and the Mini Tower uses the DIMM rather than SO-DIMM stick sizes.
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