FS 716322-081 24gb 3rx4 PC3L-10600R M393B3G70BV0-YH9Q3 $17.50
- Thread starter uppie1414
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Yeah, I'm trying to figure out if it will work in any of my machines and not having much luck! (Dell R620 & SM X9DRT-F)
It seems from what I could find that this was just an HP thing? At least all I could find information on was for HP. I wonder if they would work in something else, and its just that since those other manufacturers (like Dell) didn't offer 24GB RDIMMs, they don't mention them in compatibility? I don't know enough though, to know if a board that will take 16GB & 32GB DIMMS will also take 24GB.
Generally, memory has to have support from the cpu (integrated memory controller), the chipset, and the bios. Since the cpus and chipsets are generally the same, I think it's the bios that one needs to be concerned with.
But that being said, if these 24GB modeules are following the same design parameters of 16/32GB modules, I don't see why they wouldn't work in something that can handle the other two. I think the 3Rx4 is what is a bit of a concern, but it sounds about right because it's like having 3x 8GB 1Rx4 modules in a single module.
Thanks. Interesting analysis. I'd missed 3Rx4.
From a press release I found from a memory supplier (not HP) it seems these came about as a technique to boost total RAM for servers at a time when most with 16 memory slots could handle 16GB RDIMMs in all slots (256GB total), but 32GB RDIMMS in only a single slot per channel (128GB total). The 24GB sticks were supposed to usable in all slots, the same as 16GB, for a total of 384GB.
I guess it only caught on with HP, maybe because the next generation of Xeons/Chipsets made them unnecessary?
Fascinating! So you think these were special modules designed to work where 32GB modules can't and 16GB can, thereby increasing the max ram a system can have? Then they would be brilliant and I'm surprised they're not more highly sought after.
Maybe they were expensive so no one ever bought them so they were never produced en masse so there's only a few around and now they're dead cheap because no one knows what they are. I'm tempted to buy 6x and throw them in the r710 I just got.
I might take you up on the offer. Let me do some research and make sure the r710 works as I haven't unpacked it yet.
From what I was able to gather thus far, those modules are to be used with HP Gen8 blade servers (BL460c/BL660c). They were not sold separately - only as FIO (factory installed option). And even in compatible systems this memory requires all memory slots to be populated in order to work.
missed to read this before in replied. 100% correct. Maybe other places they work but this is why they were created.