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AMD X570 chipset gets PCI Express 4.0 and USB 3.1 gen2
As we get closer to the Computex announcements with hopefully some good NAVI and Ryzen 3000 info, we all klnow there will be a new chipset from AMD as well. It's not likely to be a massive upgrade chipset as the procs mostly are backward compatible with X370/X470.
According to new sources (which always need a disclaimer and a few grains of salt), the new generation of AMD Seriers 500 motherboards would, however, have a number of differences: the B550 chipset would not support PCIe 4.0, which would be exclusive to X570 boards.
- USB 3.2 Gen 1: originally known as USB 3.0, and previously renamed to USB 3.1 Gen 1. It’s the original USB 3.0 specification, and it can transfer data at up to 5Gbps.
- USB 3.2 Gen 2: Previously known as USB 3.1, and then later as USB 3.1 Gen 2. It offers speeds at up to 10Gbps.
- USB 3.2 Gen 2x2: formally known as USB 3.2, it’s the newest and fastest spec, promising speeds at up to 20Gbps (by using two lanes of 10Gbps at once).
The X570 chipset would have 40 PCIe lanes, although some of those lanes would have been shared with the SATA interface. These boards would allow for eight USB 3.1 gen2 ports (10 Gbps), in addition to four USB 2.0 connections (but not USB 3.2 Gen2 )
X570
The third generation of Ryzen processors would not be compatible with the A320 chipset, although it is claimed that there are practically no differences between B350 and A320. The X570 boards should be on the shelves from July, with B550 arriving two months later.
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In yet another slide that got leaked we see something interesting from the AMD front. Matisse basically is what is to be AMD's Ryzen 3, which will be based on Zen 2 cores. The chipset for it is calle...
nevcairiel
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#5664235 Posted on: 04/29/2019 10:52 AM
3.1 Gen2 and 3.2 Gen2 are the same thing. They keep increasing the version number, but everything else remains the same. Basically, read it from the back to easily recognize what it is. Gen1/Gen2 is the important part, not USB 3.1 or 3.2.
A PCIe Gen4 uplink to the chipset sounds like a good deal. I hope the chipsets PCIe hub is smart enough to fully make use of that bandwidth when eg. a Gen3 PCIe SSD is connected to the chipset.
In title say USB 3.1 gen2, but in the article: USB 3.2 Gen 1, USB 3.2 Gen 2, USB 3.2 Gen 2x2
3.1 Gen2 and 3.2 Gen2 are the same thing. They keep increasing the version number, but everything else remains the same. Basically, read it from the back to easily recognize what it is. Gen1/Gen2 is the important part, not USB 3.1 or 3.2.
A PCIe Gen4 uplink to the chipset sounds like a good deal. I hope the chipsets PCIe hub is smart enough to fully make use of that bandwidth when eg. a Gen3 PCIe SSD is connected to the chipset.
Stairmand
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Joined: 2007-07-25
#5664267 Posted on: 04/29/2019 01:15 PM
40 lanes of PCIe 4? That seems an awful lot for a consumer level chipset. Increasing M.2 to 4x PCIe4 would give us some serious bandwidth for future NVME drives.
40 lanes of PCIe 4? That seems an awful lot for a consumer level chipset. Increasing M.2 to 4x PCIe4 would give us some serious bandwidth for future NVME drives.
TalentX
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#5664284 Posted on: 04/29/2019 01:55 PM
If the leaks are true, you could run two GPUs at 16 lanes each, plus one M.2 PCI SSD at 4 lanes, that alone would sum 36 lanes already, which you can have on consumer level chipset. That's actually quite neat I'd say.
40 lanes of PCIe 4? That seems an awful lot for a consumer level chipset. Increasing M.2 to 4x PCIe4 would give us some serious bandwidth for future NVME drives.
If the leaks are true, you could run two GPUs at 16 lanes each, plus one M.2 PCI SSD at 4 lanes, that alone would sum 36 lanes already, which you can have on consumer level chipset. That's actually quite neat I'd say.
fantaskarsef
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#5664287 Posted on: 04/29/2019 02:11 PM
So... what do we get PCIe 4.0 for? Are there devices out already that I missed?
Since they probably won't support this mainboard longer than a year /Zen2+ / Rzen 4xxx), when they will probably switch on to DDR5, thus making a new IMC needed with the CPUs, I don't see me needing PCIe4.0 right now.
Just saying this because there's rumors circulating saying PCIe 4.0 is giving manufacturers trouble... well, just leave it be for now, and give us stable BIOS and hardware, thanks dear manufacturers.
So... what do we get PCIe 4.0 for? Are there devices out already that I missed?
Since they probably won't support this mainboard longer than a year /Zen2+ / Rzen 4xxx), when they will probably switch on to DDR5, thus making a new IMC needed with the CPUs, I don't see me needing PCIe4.0 right now.
Just saying this because there's rumors circulating saying PCIe 4.0 is giving manufacturers trouble... well, just leave it be for now, and give us stable BIOS and hardware, thanks dear manufacturers.
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In title say USB 3.1 gen2, but in the article: USB 3.2 Gen 1, USB 3.2 Gen 2, USB 3.2 Gen 2x2
Hmm, at the moment i don't see any reason why sould i buy a B550 board over a B450, though not much details are known.