Server memory upgrade issues

Hi All,

I recently bought a small business server for a customer.

We'd originally spec'd 2x 4GB RAM link, but this was maxed out.  So thought we'd upgrade to 4x 8GB of the same memory link.

However when I put the 8GB RAm into the server, it wint boot.  I've tried all combinations (1 stick by itself in all slots, all 4 sticks etc...), nothing works.

This is the motherboard link

Any suggestions?
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detox1978Asked:
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andyalderConnect With a Mentor Commented:
According to the Asus spec that board (P8B_WS) only supports UDIMMs and not RDIMMs so it shouldn't work with the original RAM, let alone the new stuff. The scanner at http://www.crucial.com/uk/systemscanner/ will confirm the current RAM.

http://www.ec.kingston.com/ecom/hyperx_us/modelsinfo.asp?SysID=70959 also only lists UDIMMs
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detox1978Author Commented:
Ah, that would probably explain why the server has a memory leak issue (hence us buying more memory).

Could you help pick our 4x 8GB of RAM that would be compaitable on this website (as they are 30 mins drive from my house)
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andyalderCommented:
I think these will do, http://www.scan.co.uk/products/16gb-%282x8gb%29-corsair-ddr3-desktop-pc3-12800-%281600%29-non-ecc-unbuffered-cas-11-11-11-30-15v , there are faster ones for more money but RAM speed doesn't really matter except for high-end gaming and maths programs.

Scan computers only seem to stock Corsair and corsair don't list your motherboard on their memory selector so I can't be 100% certain. Since Scan Computers sold you the motherboard they ought to be able to suggest what's compatible with it anyway, it ought to work with any of the 16GB (2*8) unregistered DIMMs.

http://www.scan.co.uk/products/32gb-%284x8gb%29-corsair-ddr3-xms3-pc3-12800-%281600%29-non-ecc-unbuffered-cas-11-11-11-30-xmp-15v is also an option as all the 32GB (4*8) kits on this page, http://www.scan.co.uk/shop/computer-hardware/all/memory-ram/240-pin-quad-channel-%281600mhz%29
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detox1978Author Commented:
Excellent thanks.
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