Tuesday, July 3rd 2012

Samsung Samples Industry's First 16 GB DDR4 Server Modules

Samsung Electronics Co., Ltd., the world leader in advanced memory technology, today announced that it has begun sampling the industry's first 16-gigabyte (GB) double data rate-4 (DDR4), registered dual inline memory modules (RDIMMs), designed for use in enterprise server systems.

"By launching these new high-density DDR4 modules, Samsung is embracing closer technical cooperation with key CPU and server companies for development of next-generation green IT systems," said Wanhoon Hong, executive vice president, memory sales & marketing, Samsung Electronics. "Samsung will also aggressively move to establish the premium memory market for advanced applications including enterprise server systems and maintain the competitive edge for Samsung Green Memory products, while working on providing 20 nanometer (nm) class based DDR4 DRAM in the future."

Using 30 nm-class process technology, Samsung sampled new 8 GB and 16 GB DDR4 modules in June, in addition to providing them to major CPU and controller makers. The modules will bring the highest density and performance levels to premium enterprise server systems. Samsung previously introduced the industry's first 30 nm-class 2 GB DDR4 module in December, 2010.

Employing new circuit architecture for computing systems, DDR4 technology boasts the highest performance among memory products available for today's computing systems, which by next year will reach twice the current 1,600 megabits per second (Mbps) of DDR3 based modules. Also, by processing data far more efficiently at a mere 1.2 volts, Samsung's DDR4 modules will reduce power consumption by approximately 40 percent compared to its predecessor DDR3 modules operating at 1.35V.

Samsung will keep working on completion of the JEDEC (Joint Electron Device Engineering Council) standardization of DDR4 technologies and product specifications, which is expected to be accomplished by August.

The company said it will work closely with its customers including server OEMs, as well as CPU and controller makers, to expand the market base for high-density DDR4 modules, of which it plans to begin volume production next year. It also is set to expand the overall premium memory market with its most advanced 20 nm-class based DDR4 DRAM products, which will be available sometime next year at densities up to 32 GB.

Samsung has been leading the advancement of DRAM technology ever since it developed the industry's first DDR DRAM in 1997. In 2001, it introduced the first DDR2 DRAM, and in 2005, announced the first DDR3 using 80 nm-class technology.
Add your own comment

37 Comments on Samsung Samples Industry's First 16 GB DDR4 Server Modules

#1
Aquinus
Resident Wat-man
Isenstaedt said:
As far as I know, the ATi Radeon HD 3870 was the only graphics card to use (G)DDR4.
I have a Radeon HD 2600 XT with GDDR4 laying around.
Posted on Reply
#2
SIGSEGV
blibba said:
I don't think you understood the point of my post. I don't really understand the point of yours - yes hardly anyone who knows what they're doing uses single channel, but a) what has this got to do with overclocking, and b) what has this got to do with my post? Also, I hate to be the anal one, but you really ought to clean up posts like that before you hit "post". The grammar and punctuation is bad to the point that it's very difficult to understand for those of us that didn't write it.
sorry, english is not my primary language. but my point is with abundant and cheap ddr3 memory in retail market, is there anyone here still using single mode rather than dual mode? what's the point using single channel? what will you do with ddr4 on single channel? i think dual channel mode is enough to do multitasking computation, except you're working with super heavy computation such as 3d objects rendering etc. that's why ddr4 is used for enterprise server systems
Posted on Reply
#3
largon
DDR4 will surely first land on HPC systems, but I think the type of computers that benefit the most from DDR4 versus DDR3 are future low/mid-end gaming systems with bandwidth-hungry integrated graphics.
Posted on Reply
#4
blibba
SIGSEGV said:
sorry, english is not my primary language. but my point is with abundant and cheap ddr3 memory in retail market, is there anyone here still using single mode rather than dual mode? what's the point using single channel? what will you do with ddr4 on single channel? i think dual channel mode is enough to do multitasking computation, except you're working with super heavy computation such as 3d objects rendering etc. that's why ddr4 is used for enterprise server systems
Yeah, you've missed my point entirely. I'm not saying that anyone does or should use single-channel memory. I'm saying that the fact that there is little or no performance penalty for doing so demonstrates that we won't benefit from the increase in bandwidth that will come with DDR4. Except, as you said and as I said, in servers and the like.

Also, you seem to imply that single-channel means a single stick of RAM. This is not the case. If you use a Celeron G530 with two identical sticks of RAM, for example, it'll be single channel.
Posted on Reply
#5
Aquinus
Resident Wat-man
Well, you can stop thinking about channels because DDR4 doesn't work that way. DDR4 uses point-to-point links a lot like how PCI-E works. So each DIMM has its own set of memory links so each chip by itself is capable of independent memory operations. That is what I gathered from reading the spec, so memory controllers will have to change a good amount to accommodate it.

blibba said:
Also, you seem to imply that single-channel means a single stick of RAM. This is not the case. If you use a Celeron G530 with two identical sticks of RAM, for example, it'll be single channel.
The G530 has two memory channels, so your example is incorrect. Not to say that isn't how it works, but even modern systems with two channels will run dual-channel even if the memory sizes are different so you'll find it really hard to run single channel if the motherboard gives you the option. I bet you it won't though because channels typically aren't switched, they're hard wired.
http://ark.intel.com/products/53414/Intel-Celeron-Processor-G530-(2M-Cache-2_40-GHz)

Intel
Memory Specifications
Max Memory Size (dependent on memory type) 32 GB
Memory Types DDR3-1066
# of Memory Channels 2
Max Memory Bandwidth 17 GB/s
Posted on Reply
#6
blibba
Aquinus said:
Well, you can stop thinking about channels because DDR4 doesn't work that way. DDR4 uses point-to-point links a lot like how PCI-E works. So each DIMM has its own set of memory links so each chip by itself is capable of independent memory operations. That is what I gathered from reading the spec, so memory controllers will have to change a good amount to accommodate it.
Interesting.

Aquinus said:
The G530 has two memory channels, so your example is incorrect. Not to say that isn't how it works, but even modern systems with two channels will run dual-channel even if the memory sizes are different so you'll find it really hard to run single channel if the motherboard gives you the option. I bet you it won't though because channels typically aren't switched, they're hard wired.
http://ark.intel.com/products/53414/Intel-Celeron-Processor-G530-(2M-Cache-2_40-GHz)
My mistake. I must have been thinking of Atoms, not Celerons.

All I'm trying to say here is that DDR4 will not yield performance improvements for home users or gamers with discrete graphics cards.
Posted on Reply
#7
largon
Aquinus said:
Well, you can stop thinking about channels because DDR4 doesn't work that way.
Channels themselves are same as with previous generations. The difference is, each DIMM has it's own dedicated tracing between slot and memory controller. Current DDR motherboards usually have 2 slots per channel with the secondary slot "piggybacked" by extending the traces from primary slot's pins to the 2nd. With DDR4 you will not see this.

And dedicated tracing means, if you see 1/2/4/n DIMM slots on a DDR4 motherboard that automatically means the board is single/dual/quad/n channel. That is, 64bit/128bit/256bit:eek:/n64bit...
DDR4 uses point-to-point links a lot like how PCI-E works.
P2P with DDR4 only means a channel is never shared.
So each DIMM has its own set of memory links
Correct.
so each chip by itself is capable of independent memory operations.
Every DDR-SDRAM chip so far can do that.
Posted on Reply
#8
Aquinus
Resident Wat-man
largon said:
Every DDR-SDRAM chip so far can do that.
Not at the same time. As you said, channels are interleaved. ;)
Posted on Reply
#9
pantherx12
blibba said:
The only relevance of DDR4 to the consumer market is the potential development of GDDR6.

Current high-end consumer systems don't even benefit from the bandwidth of DDR3. Set your Z77, Z68, X58 or X79 rig to single channel. The performance will barely be altered by a colossal bandwidth reduction. Severs do benefit though, or so I'm told.
Rendering programs would take a hit surely?

I mean I can effect out put just by changing ram speed.
Posted on Reply
#10
largon
Aquinus said:
Not at the same time. As you said, channels are interleaved. ;)
Not sure what you mean. If you got and n-channeled memory controller and as manu single rank DDR3 DIMMs onboard, the mem ctrl can R/W all the chips at the same time. If there's more than n ranks though, then it's a nono as the interface is just n64bit*. I removed the line about DDR4 lacking rank interleaving from my earlier post 'cause it makes no sense and I don't know why I wrote it. DDR4 can do rank interleaving just fine.

*three and 3×64bit for tri channel Nehalem.
Posted on Reply
#11
Aquinus
Resident Wat-man
largon said:
Not sure what you mean. If you got and n-channeled memory controller and as manu single rank DDR3 DIMMs onboard, the mem ctrl can R/W all the chips at the same time. If there's more than n ranks though, then it's a nono as the interface is just n64bit*. I removed the line about DDR4 lacking rank interleaving from my earlier post 'cause it makes no sense and I don't know why I wrote it. DDR4 can do rank interleaving just fine.

*three and 3×64bit for tri channel Nehalem.
I think you confused what I was trying to say. I meant you couldn't do separate memory operations on all DIMMs assuming you have two or more DIMMs per channel. It has been suggested that DDR4 in server configurations will be switched a lot like how PLX did with their PCI-E bridge chip.
Posted on Reply
#12
largon
That's the thing, unlike previous interations DDR4 does not allow more than a single DIMM on a single channel.
Aquinus said:
DDR4 in server configurations will be switched a lot like how PLX did with their PCI-E bridge chip.
That's just full buffering rising it's head once again:
[Mem ctrl] <-serial signaling-> [AMB chip] <-parallel signaling-> [DRAM chippery]

Nothing inherent with DDR4.
Posted on Reply
Add your own comment