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Maximum memory slots for rx4640 and rx7640

 
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Kenrick Sy
Frequent Advisor

Maximum memory slots for rx4640 and rx7640

Hi,

What is the maximum memory slots for rx4640 and rx7640?

Thanks.

Ken
3 REPLIES 3
Sameer_Nirmal
Honored Contributor
Solution

Re: Maximum memory slots for rx4640 and rx7640

For rx4640

* 16 DIMM slots on the standard memory extender board.

* 32 DIMM slots on an optional memory extender board.

http://docs.hp.com/en/A6961-96013/ch01s03.html#d0e620

For rx7640

* 16 DIMM slots per cell board
* 32 DIMM slots with 2 cell boards.

http://docs.hp.com/en/AB312-9010A/ch01s01.html#v1621422
Wim Rombauts
Honored Contributor

Re: Maximum memory slots for rx4640 and rx7640

I heard that since recently it is possible to fit in 256GB of memory into a rx7640 system with 16GB memory quads. That implies 32 DIMM slots per cell board, doesn't it ?

Although the links to the documentation in the entry above specify only 16 DIMM slots per cell board ...
Torsten.
Acclaimed Contributor

Re: Maximum memory slots for rx4640 and rx7640

Wim, this system is using pairs of DIMMs, not quads.

http://h18000.www1.hp.com/products/quickspecs/12470_div/12470_div.HTML

A 16GB module consists of 2x8GB DIMMs.

"...
256 GB memory (16 pairs of 8 GB DIMMs)
..."

(with 2 cells).

Hope this helps!
Regards
Torsten.

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