• Welcome to TechPowerUp Forums, Guest! Please check out our forum guidelines for info related to our community.

ASUS ROG Strix X670E-I Chipset Sits on a M.2 PCB

Joined
Jan 14, 2019
Messages
12,337 (5.76/day)
Location
Midlands, UK
System Name Nebulon B
Processor AMD Ryzen 7 7800X3D
Motherboard MSi PRO B650M-A WiFi
Cooling be quiet! Dark Rock 4
Memory 2x 24 GB Corsair Vengeance DDR5-4800
Video Card(s) AMD Radeon RX 6750 XT 12 GB
Storage 2 TB Corsair MP600 GS, 2 TB Corsair MP600 R2
Display(s) Dell S3422DWG, 7" Waveshare touchscreen
Case Kolink Citadel Mesh black
Audio Device(s) Logitech Z333 2.1 speakers, AKG Y50 headphones
Power Supply Seasonic Prime GX-750
Mouse Logitech MX Master 2S
Keyboard Logitech G413 SE
Software Bazzite (Fedora Linux) KDE
It’s an m2 slot, not pciex1. Just looks a bit off, due to uncommon component selection.
What is it, though? It looks very much like PCI-e x1 to me.
 
Joined
Oct 15, 2019
Messages
585 (0.31/day)
What is it, though? It looks very much like PCI-e x1 to me.
I think it is a m.2 slot. Look at the pin pitch, it is higher than on a standard pcie slot. The key position is also wrong for it to be a pciex1. The board’s graphics also show it to be a m.2 slot.

not sure of the exact slot they put on the motherboard though, it has to be some for of a pcie x4 for the chipset to work though.
 
Joined
Jan 14, 2019
Messages
12,337 (5.76/day)
Location
Midlands, UK
System Name Nebulon B
Processor AMD Ryzen 7 7800X3D
Motherboard MSi PRO B650M-A WiFi
Cooling be quiet! Dark Rock 4
Memory 2x 24 GB Corsair Vengeance DDR5-4800
Video Card(s) AMD Radeon RX 6750 XT 12 GB
Storage 2 TB Corsair MP600 GS, 2 TB Corsair MP600 R2
Display(s) Dell S3422DWG, 7" Waveshare touchscreen
Case Kolink Citadel Mesh black
Audio Device(s) Logitech Z333 2.1 speakers, AKG Y50 headphones
Power Supply Seasonic Prime GX-750
Mouse Logitech MX Master 2S
Keyboard Logitech G413 SE
Software Bazzite (Fedora Linux) KDE
I think it is a m.2 slot. Look at the pin pitch, it is higher than on a standard pcie slot. The board’s graphics also show it to be a m.2 slot.
So it's not entirely pointless. Just a bit. :laugh: I mean, Zen 4 already supports two m.2 slots from the CPU, and Asus could have easily made a third one coming from the B650 chipset.

@TheLostSwede I agree. This is just bragging rights, nothing more. 670 is 20 more than 650. That's how stupid Asus thinks we are.
 
Joined
Jan 14, 2019
Messages
12,337 (5.76/day)
Location
Midlands, UK
System Name Nebulon B
Processor AMD Ryzen 7 7800X3D
Motherboard MSi PRO B650M-A WiFi
Cooling be quiet! Dark Rock 4
Memory 2x 24 GB Corsair Vengeance DDR5-4800
Video Card(s) AMD Radeon RX 6750 XT 12 GB
Storage 2 TB Corsair MP600 GS, 2 TB Corsair MP600 R2
Display(s) Dell S3422DWG, 7" Waveshare touchscreen
Case Kolink Citadel Mesh black
Audio Device(s) Logitech Z333 2.1 speakers, AKG Y50 headphones
Power Supply Seasonic Prime GX-750
Mouse Logitech MX Master 2S
Keyboard Logitech G413 SE
Software Bazzite (Fedora Linux) KDE
Well the same 4 lanes that go to the chipset could just go directly to the m.2 slot….

damn expensive re-driver.
So you have two slots that are CPU -> m.2. Then you have CPU -> chipset -> m.2, but Asus skipped that and went for CPU -> chipset -> chipset -> m.2. I don't see why or how this is better than a single B650.

It begs the question, how many chipsets can you add between the CPU and the m.2...

What about CPU -> chipset -> chipset -> chipset -> chipset -> chipset -> chipset -> m.2? I'll call it the X699 XT platform! :roll:
 
Joined
Oct 15, 2019
Messages
585 (0.31/day)
It begs the question, how many chipsets can you add between the CPU and the m.2...

What about CPU -> chipset -> chipset -> chipset -> chipset -> chipset -> chipset -> m.2? I'll call it the X699 XT platform! :roll:
There is probably some maximum nesting level that limits you to (I’m guessing) 254 chipsets in a series before the m.2 slot.

there is a usb come from that extra chipset.
Where? i don’t see it in the pictures.
 
Joined
Jul 27, 2019
Messages
11 (0.01/day)
The X670 is based on two chipsets. It is therefore a clever solution to reduce space consumption on a mini itx motherboard.
 
Joined
Jan 14, 2019
Messages
12,337 (5.76/day)
Location
Midlands, UK
System Name Nebulon B
Processor AMD Ryzen 7 7800X3D
Motherboard MSi PRO B650M-A WiFi
Cooling be quiet! Dark Rock 4
Memory 2x 24 GB Corsair Vengeance DDR5-4800
Video Card(s) AMD Radeon RX 6750 XT 12 GB
Storage 2 TB Corsair MP600 GS, 2 TB Corsair MP600 R2
Display(s) Dell S3422DWG, 7" Waveshare touchscreen
Case Kolink Citadel Mesh black
Audio Device(s) Logitech Z333 2.1 speakers, AKG Y50 headphones
Power Supply Seasonic Prime GX-750
Mouse Logitech MX Master 2S
Keyboard Logitech G413 SE
Software Bazzite (Fedora Linux) KDE
The X670 is based on two chipsets. It is therefore a clever solution to reduce space consumption on a mini itx motherboard.
... on a mini-ITX motherboard that may as well be a B650 one with the same connectivity options. This is the definition of "waste of space".

There is probably some maximum nesting level that limits you to (I’m guessing) 254 chipsets in a series before the m.2 slot.
Wow, cool! Let's go for it for maximum latency (and cost)! :roll:
 
Joined
Aug 25, 2021
Messages
1,170 (0.98/day)
If ASUS was actually smart, they would place the chipsets on the rear of the board and use a metal backplate covering the entirety of the back side of said board, to dissipate the chipsets' heat. But again, they're intellectually bankrupt, so they'll never do something as simple and effective as this.
Even if they wanted to place the second Promontory 21 chipset on the other side, and qualify the board as X670(E), there is nothing added to the connectivity that suggests that this is a X670 board. I have looked into the spec and can't find one single feature beyond B650, apart from the second chipset itself.

Two M.2 drives can take PCIe signals from CPU, then Thunderbolt 4 can take x4 lanes from the chipset. The amount of USB ports provided by the board fits into what B650 can provide. There are 4 ports on CPU and another 6 on the chipset.
The same could be done with the X670, a single chip with an integrated PCIe 5.0 controller for the needs of interfaces that are physically far from the CPU.

ASMedia did not develop the chipset silicon with PCIe 5.0 link to CPU on time to be released with AM5 boards. I dont' think there is any conspiracy behind it. We see that M.2 NVMe drives are also delayed because few really need it. ASMedia is even delayed with bespoke USB4 descrete chip that would use PCIe 4.0 x4 lanes.

Next gen chipset will have at least PCIe 5.0 x4 link to CPU, if not more, to match the bandwidth Intel's DMI 4.0 currently provides over 8 lanes (128 Gbps).
Anyway, this was left out in the name of profit for the 600 series chipsets. I hope at least in the next 700 series, we have the X770 as some kind of iteration of the X570, but much more modern.
I don't think it was about the profit, but it was more about costs and efficiency savings. They do not sell enough boards anyway, so profits are heavily down. On X770, I expect an overhaul of the chipset and at least doubling chipset-CPU link bandwidth, otherwise I will not buy it.
it makes literally zero functional sense to have more than the single chip x670 on an itx board. Edit: brainfart, the single chip one is b650e.
Exactly. Asus might be selling here B650E board under misleading name, as there is no additional connectivity to justify the X670E name.
Not an add in here though, it's just because they could, as it serves no real purpose expect bragging rights.
Asus might be here on a thin edge of the commercial law.

@AleksandarK
Could TPU journalists, please, ask Asus officially to clarify which functional features qualify this board to be called X760E? They cannot reply that the board has two chipsets only. THey have to provide the evidence of connectivity beyond what one Promontory21 chipset provides.

If not, Asus should be reported for selling this board to the commerce chamber or consumer protection body in Taiwan or whatever the name of the consumer protection office checking how companies advertise their products.
 
Joined
Nov 6, 2016
Messages
1,751 (0.60/day)
Location
NH, USA
System Name Lightbringer
Processor Ryzen 7 2700X
Motherboard Asus ROG Strix X470-F Gaming
Cooling Enermax Liqmax Iii 360mm AIO
Memory G.Skill Trident Z RGB 32GB (8GBx4) 3200Mhz CL 14
Video Card(s) Sapphire RX 5700XT Nitro+
Storage Hp EX950 2TB NVMe M.2, HP EX950 1TB NVMe M.2, Samsung 860 EVO 2TB
Display(s) LG 34BK95U-W 34" 5120 x 2160
Case Lian Li PC-O11 Dynamic (White)
Power Supply BeQuiet Straight Power 11 850w Gold Rated PSU
Mouse Glorious Model O (Matte White)
Keyboard Royal Kludge RK71
Software Windows 10
Why are people claiming this is only a redriver? Doesn't it provide additional I/O as well? Wouldn't it provide the exact same functionality as an ATX X670E board with the only difference being that one of the two required chips for X670E is connected via a removable slot rather than being directly soldered to the motherboard? Can someone who actually has in depth knowledge of these things explain why there are a lot of people in this comments section who think this chip does nothing?
 
Joined
Oct 15, 2019
Messages
585 (0.31/day)
Doesn't it provide additional I/O as well?
Like what? It is only connected to two 4x pcie slots. One m.2 downlink and some custom connector uplink. There is zero gained connectivity from this, at least according to the pictures provided.
 
Joined
Aug 25, 2021
Messages
1,170 (0.98/day)
I think it is a m.2 slot. Look at the pin pitch, it is higher than on a standard pcie slot. The key position is also wrong for it to be a pciex1. The board’s graphics also show it to be a m.2 slot.

not sure of the exact slot they put on the motherboard though, it has to be some for of a pcie x4 for the chipset to work though.
Here is a solution, published a few days ago.

 

Attachments

  • Screenshot 2023-02-13 at 11-54-36 This ASUS X670 Mini-ITX motherboard has secondary chipset on...png
    Screenshot 2023-02-13 at 11-54-36 This ASUS X670 Mini-ITX motherboard has secondary chipset on...png
    489 KB · Views: 54
Joined
Oct 15, 2019
Messages
585 (0.31/day)
Here is a solution, published a few days ago.

And it adds exactly zero connectivity. It takes 4x pcie and gives 4x pcie.

and the picture posted does not clarify the one question I had. (which connector is used in the chipset-chipset connection)
 
Joined
Jan 14, 2019
Messages
12,337 (5.76/day)
Location
Midlands, UK
System Name Nebulon B
Processor AMD Ryzen 7 7800X3D
Motherboard MSi PRO B650M-A WiFi
Cooling be quiet! Dark Rock 4
Memory 2x 24 GB Corsair Vengeance DDR5-4800
Video Card(s) AMD Radeon RX 6750 XT 12 GB
Storage 2 TB Corsair MP600 GS, 2 TB Corsair MP600 R2
Display(s) Dell S3422DWG, 7" Waveshare touchscreen
Case Kolink Citadel Mesh black
Audio Device(s) Logitech Z333 2.1 speakers, AKG Y50 headphones
Power Supply Seasonic Prime GX-750
Mouse Logitech MX Master 2S
Keyboard Logitech G413 SE
Software Bazzite (Fedora Linux) KDE
Even if they wanted to place the second Promontory 21 chipset on the other side, and qualify the board as X670(E), there is nothing added to the connectivity that suggests that this is a X670 board. I have looked into the spec and can't find one single feature beyond B650, apart from the second chipset itself.

Two M.2 drives can take PCIe signals from CPU, then Thunderbolt 4 can take x4 lanes from the chipset. The amount of USB ports provided by the board fits into what B650 can provide. There are 4 ports on CPU and another 6 on the chipset.
You don't even need Thunderbolt. I have a B650 motherboard that has two m.2 slots coming directly from the CPU. I can also install a third m.2 drive into the second PCI-e x16 (x4) slot coming from the chipset.

Why are people claiming this is only a redriver? Doesn't it provide additional I/O as well? Wouldn't it provide the exact same functionality as an ATX X670E board with the only difference being that one of the two required chips for X670E is connected via a removable slot rather than being directly soldered to the motherboard? Can someone who actually has in depth knowledge of these things explain why there are a lot of people in this comments section who think this chip does nothing?
See my reply above. You can achieve the same connectivity with one single B650 chipset. This motherboard does nothing else than add another chipset between an m.2 and the original chipset. Pointless.
 
Joined
Aug 25, 2021
Messages
1,170 (0.98/day)
And it adds exactly zero connectivity. It takes 4x pcie and gives 4x pcie.
That's why I proposed in the post above that TPU journalists probe and interrograte Asus about this board. It's bizarre what they have done here.
 
Joined
Oct 3, 2016
Messages
144 (0.05/day)
Location
hong kong
And it adds exactly zero connectivity. It takes 4x pcie and gives 4x pcie.

and the picture posted does not clarify the one question I had. (which connector is used in the chipset-chipset connection)
it is not easy to use more lanes from that extra heatsink, there is like no room at all.
 
Joined
Oct 15, 2019
Messages
585 (0.31/day)
it is not easy to use more lanes from that extra heatsink, there is like no room at all.
No shit sherlock. Why in the hell would you add the extra chipset if you cannot utilize it in any way?

and the correct answer is ”marketing and damagement”. No sane engineer would design this.
 
Joined
Sep 1, 2020
Messages
2,348 (1.52/day)
Location
Bulgaria
ASMedia did not develop the chipset silicon with PCIe 5.0 link to CPU on time to be released with AM5 boards.
ASMedia have always been a symbol of incompetence in my eyes. I don't know why AMD continues to use their design services. For example, the X570 chipset does use ASMedia's IP, but the overall design and integration is AMD's internal work, because ASMedia couldn't handle a chip that was clearly too complex for their capabilities.
 
Joined
Aug 25, 2021
Messages
1,170 (0.98/day)
there is a usb come from that extra chipset.
CPU provides 5 USB ports: 4 x10 Gbps and one USB 2.0. B650 provides another 6x 10 Gbps. So, Asus doe snot need the second chipset for USB. Nor does it need it for M.2 drives and Thunderbolt, as there is enough lanes for that with B650.

What does Asus need the second chipset for? If there is no empirical answer to this, Asus should be reported to Consumer Protection body in Taiwan and forced to change the name of this board to B650E if there is no additional conectivity beyond what B650E provides.

The X670 is based on two chipsets. It is therefore a clever solution to reduce space consumption on a mini itx motherboard.
Only if you actually add additional connectivity. There is nothing clever in stacking multiple M.2 drives if this does not bring more connectivity than B650 board can already provide. Besides, a very popular solution on ITX boards are M.2 drives on the back side of the board. I have a premium Z390 ITX from Asrock with that solution and I have seen Z790 ITX with three NVMe drives without stacking, two of which are on the back side of the board.
 
Joined
Oct 3, 2016
Messages
144 (0.05/day)
Location
hong kong
CPU provides 5 USB ports: 4 x10 Gbps and one USB 2.0. B650 provides another 6x 10 Gbps. So, Asus doe snot need the second chipset for USB. Nor does it need it for M.2 drives and Thunderbolt, as there is enough lanes for that with B650.

What does Asus need the second chipset for? If there is no empirical answer to this, Asus should be reported to Consumer Protection body in Taiwan and forced to change the name of this board to B650E if there is no additional conectivity beyond what B650E provides.
as i said, there is a usb 2.0 provided by the second chipset.
usb available from the first chipset and cpu has been fully utilized.
 
Joined
Oct 31, 2022
Messages
199 (0.26/day)
And how hot does it get? Not only the Chipset, but also the 2x M.2...especially the PCI-E Gen 5.
 
Joined
Oct 15, 2019
Messages
585 (0.31/day)
as i said, there is a usb 2.0 provided by the second chipset.
usb available from the first chipset and cpu has been fully utilized.
Hahahahahaha. Sure. Can you provide pictures?

Where is the connector for that?
And adding another chipset for a single usb2.0 port is just pure madness, even if it was there.


Why not just add a usb hub chip? They cost like 10 cents.

other manufacturers have more USB ports on a B650 board. I see no reason for the additional chipset based on that information. And to use an extra chipset to add a single usb2 port is just silly.
 
Last edited:
Joined
Aug 25, 2021
Messages
1,170 (0.98/day)
Why are people claiming this is only a redriver? Doesn't it provide additional I/O as well? Wouldn't it provide the exact same functionality as an ATX X670E board with the only difference being that one of the two required chips for X670E is connected via a removable slot rather than being directly soldered to the motherboard? Can someone who actually has in depth knowledge of these things explain why there are a lot of people in this comments section who think this chip does nothing?
Here is B650 chipset diagram for this board and rough assignment of ports.
F88jul8XuU7y8qob - Copy.jpg

Thunderbolt can either use x4 link from CPU or x4 from the chipset (the one I labelled with "?????")

The manual reads there are 16 USB ports on this board
- CPU provides 5 USB ports, four 10 Gbps and one USB 2.0.
- B650 chipset provides 12 USB ports, as above
In theory, this board should be able to fit 16 USB ports into 17 USB ports provided by CPU and chipset and not need another chipset for any USB connectivity.

The Asus manual mentions additional rear port, headers for front USB5 x2 and USB-C, which can be covered by CPU. All together 16 ports.
Screenshot 2023-02-13 at 12-36-24 E20630_ROG_STRIX_X670E-I_GAMING_WIFI_UM_V2_WEB.pdf.png


You don't even need Thunderbolt. I
I am describing the wiring of this board and not an idfea whether someone needs Thunderbolt or not.
 
Last edited:
Top