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AMD Ryzen 3000: New Block diagram about PCIe 4.0 on Matisse and X570 chipset
Another block diagram of a more official nature leaked, this one holds the X570 chipset breakdown alongside the specs and Ryzen 3000. It's clear already that Ryzen 3000 CPUs (Matisse) and the X570 chipset will support PCIe 4.0. The new diagram once again confirms that the processor will provide a total of 24 PCIe 4.0 lanes.
The new slide breaks down everything related to the IO capabilities of the new AMD platform around Ryzen 3000, it's also a far more official looking block diagram. Now, it can not be completely ruled out that this is a fake, I simply do not expect it to be.
Ryzen 3000 (Codename Matisse) delivers 24 lanes PCIe 4.0
According to a confidential presentation titled " AMD 500-Series Chipset Engineering Interlock " dated May 2019 Ryzen 3000 as CPU (codenamed Matisse) will have a total of 24 PCIe Gen4 lanes. Four of them are used for the interconnect to the X570 chipset, leaving 20 laned Gen 4.0 for other utilization. As expected, 16 lanes (PCIe x16) are intended for graphics cards that are connected as x16 or twice x8 once. One x8 link would offer PCIe 3.0 x16 like bandwidth. Four more PCIe lanes from the CPU are designed for fast storage such as NVMe SSDs. In addition, Ryzen 3000 provides four USB 3.1 Gen 2. A dual-channel memory controller is also no surprise.
When we move to the X570 chipset, the PCIe Gen 4.0 lanes are lines, but not so abundantly clear to follow as everything can be re-routed and shared. For example, PCIe slots, M.2 SSDs, LAN, card readers or WiFi modules are to be connected via the new interface standard. The configuration depends on the respective motherboard.
Ryzen 3000 CPU and X570 chipset (Image: HKEPC)
Please do keep in mind that only Ryzen 3000 (Zen2) will open up X570 to the CPU at PCIe 4.0 x4. If a Ryzen 3000 of the Picasso family, as an APU based on older architecture, are used, the chipset connection will be made with PCIe 3.0. The X570 PCH (Platform Controller Hub) is also credited with an indefinite number of USB ports of USB 3.1 and USB 2.0 and SATA for HDD / SSD.
Numerous X570 motherboards from AMD's partners will be officially unveiled at Computex 2019 next week , no doubt about it. The board partners have been flooding their social networks for weeks with more or less concrete references to the new generation. One detail stands out: All previously unveiled X570 motherboards have a fan for chipset cooling . Whether AMD will officially introduce the Matisse CPUs at Computex remains to be seen. In any case, they will not come onto the market at the end of May, because officially the date is Q3 2019, unofficially July is expected for the market launch.
MSI X570 Gaming Pro Carbon and Plus for AMD Ryzen 3000 Leak - 05/17/2019 08:12 PM
Photos have laked from MSI's upcoming X570 gaming motherboards. This involves the X570 Gaming Pro Carbon and the X570 Gaming Plus. Once again the motherboards have an active fan on board on top of th...
Gigabyte Announces BIOS Updates For Next Gen. AMD Ryzen CPUs - 05/17/2019 08:23 AM
Gigabyte has released BIOS updates for X470 and B450 AMD motherboards. With a simple update of the BIOS, users will be able to fully harness full support for next gen. AMD Ryzen processors. BIOS upda...
AMD Ryzen 9 3800X, Ryzen 7 3700X, Ryzen 5 3600X Spotted in Online Stores? - 05/03/2019 12:54 PM
Before we begin, please do take this info with a chunk of salt the size of an iceberg, and then read on. In a Vietnamese and Turkish webshop, some interesting names popped up, yes the AMD Ryzen 9 380...
ASRock seems to support new AMD Ryzen 3000 chips for its A320 motherboards - 04/30/2019 06:33 PM
If you just had a peek at the ASUS Ryzen 3000 compatibility list you will have noticed that A320 motherboards are not updated for compatibility. ASRock however also updated their support pages and it...
AMD Ryzen 2700X 50th Anniversary Edition (Updated) - 04/22/2019 08:42 AM
AMD is preparing for the festivities of their celebration 50th anniversary beginning with a Ryzen 2700x 50th-anniversary edition to be released on May 1st , 2019....
nevcairiel
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#5672208 Posted on: 05/23/2019 11:13 AM
Such a controller that can split x2 4.0 into x4 3.0 would probably be very expensive, and not likely to be present.
But the 4 M.2 PCIe lanes from the CPU can be used as one for one x4 device as well, it doesn't have to be split into 2x x2.
I thought the 40 lanes reported the other week seemed excessive. I don't like the look of the m.2 configuration unless the 2xPCIe4 can be effectively split into 4xPCIe3, Otherwise current cards would probably end up at 2xPCIe3 speed?
Such a controller that can split x2 4.0 into x4 3.0 would probably be very expensive, and not likely to be present.
But the 4 M.2 PCIe lanes from the CPU can be used as one for one x4 device as well, it doesn't have to be split into 2x x2.
Astyanax
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#5672211 Posted on: 05/23/2019 11:20 AM
such a controller can be had for a few dollars.
such a controller can be had for a few dollars.
Stairmand
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Joined: 2007-07-25
#5672220 Posted on: 05/23/2019 11:34 AM
Such a controller that can split x2 4.0 into x4 3.0 would probably be very expensive, and not likely to be present.
But the 4 M.2 PCIe lanes from the CPU can be used as one for one x4 device as well, it doesn't have to be split into 2x x2.
Just having 1 4xPCIe M.2 slot would be a disappointing mistake. Prices have dropped to the point where having a 250GB Boot and 2TB second nvme drive are realistic options. Certainly what i would buy in my next setup.
Such a controller that can split x2 4.0 into x4 3.0 would probably be very expensive, and not likely to be present.
But the 4 M.2 PCIe lanes from the CPU can be used as one for one x4 device as well, it doesn't have to be split into 2x x2.
Just having 1 4xPCIe M.2 slot would be a disappointing mistake. Prices have dropped to the point where having a 250GB Boot and 2TB second nvme drive are realistic options. Certainly what i would buy in my next setup.
nevcairiel
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Posts: 754
Joined: 2015-05-19
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Posts: 754
Joined: 2015-05-19
#5672225 Posted on: 05/23/2019 11:45 AM
Just like any previous boards and chipsets, the second would be through the chipset.
Just having 1 4xPCIe M.2 slot would be a disappointing mistake. Prices have dropped to the point where having a 250GB Boot and 2TB second nvme drive are realistic options. Certainly what i would buy in my next setup.
Just like any previous boards and chipsets, the second would be through the chipset.
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I thought the 40 lanes reported the other week seemed excessive. I don't like the look of the m.2 configuration unless the 2xPCIe4 can be effectively split into 4xPCIe3, Otherwise current cards would probably end up at 2xPCIe3 speed?