News AMD B550 Motherboards beginning to appear online

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DeathReborn

DeathReborn

Platinum Member
Oct 11, 2005
2,746
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PingSpike said:
Anybody have a B550 board coming?
Click to expand...

I have 2x ASrock B550M Steel legend boards coming but they are not for my systems, I am building 2 brand new systems for my family. 3600X, 32GB 3600MHz, 5700 8GB, PCIe 4 1TB SSD should last them a couple of years (or at least until they demand RT).

I will probably go with full ATX B550 boards later this year for myself, assuming Zen3 doesn't have a X670/B650 coming in H1 next year.
 
PingSpike

PingSpike

Lifer
Feb 25, 2004
21,730
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DeathReborn said:
I have 2x ASrock B550M Steel legend boards coming but they are not for my systems, I am building 2 brand new systems for my family. 3600X, 32GB 3600MHz, 5700 8GB, PCIe 4 1TB SSD should last them a couple of years (or at least until they demand RT).

I will probably go with full ATX B550 boards later this year for myself, assuming Zen3 doesn't have a X670/B650 coming in H1 next year.
Click to expand...

Do you use linux or unraid at all? I'm looking for info on the IOMMU groups of these boards and can't find anything out there.

Also the idle power consumption numbers I've found (when compared to x570) are...confusing. Hard to fine and apples to apples comparison.
 
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P

Pumice

Member
Jan 17, 2011
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Anybody know if any B550 mobos , like the $280 Gigabyte Aorus Master B550 , have PCIe 4.0 link between CPU and Chipset ?

Paul's Hardware's latest video says B550 mobos have PCIe 3.0 between CPU and Chipset. Only the X570 have PCIe 4.0 between CPU and Chipset.
 
VirtualLarry

VirtualLarry

No Lifer
Aug 25, 2001
56,324
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Pumice said:
Anybody know if any B550 mobos , like the $280 Gigabyte Aorus Master B550 , have PCIe 4.0 link between CPU and Chipset ?

Paul's Hardware's latest video says B550 mobos have PCIe 3.0 between CPU and Chipset. Only the X570 have PCIe 4.0 between CPU and Chipset.
Click to expand...
I think Paul's Hardware is right. B450 has a PCI-E 2.0 link between CPU and chipset. At least according to the BIOS I was recently messing with.

(Had settings for GPU slot PCI-E link at 1.0/2.0/3.0, NVMe at 1.0/2.0/3.0, and chipset link at 1.0/2.0.)
 
UsandThem

UsandThem

Elite Member
May 4, 2000
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ao_ika_red

ao_ika_red

Golden Member
Aug 11, 2016
1,679
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Pumice said:
like the $280 Gigabyte Aorus Master B550 , have PCIe 4.0 link between CPU and Chipset
Click to expand...
B550 Aorus Master splits PCIe4.0 x16 lane from CPU to x8, x4, and x4 to accomodate extra two m.2 PCIe 4.0 x4. So it's not from chipset itself because B550 chipset only has PCIe 3.0 x4 and shares its bandwidth between second, third PCIe x16 slot, and some SATA ports.
www.gigabyte.com

B550 AORUS MASTER (rev. 1.0) Specification | Motherboard - GIGABYTE Global

Lasting Quality from GIGABYTE.GIGABYTE Ultra Durable™ motherboards bring together a unique blend of features and technologies that offer users the absolute ...
www.gigabyte.com www.gigabyte.com
1592612273281.png
 
T

TitusTroy

Senior member
Dec 17, 2005
331
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91
are there any B550 boards that stand out as really good price/performance motherboards?...sort of like the MSI X570 Tomahawk
 
C

Chicken76

Senior member
Jun 10, 2013
254
40
91
Can anyone test the SATA performance of a B550 board? There were reports that X570 was a regression in SATA performance compared to 400 and even 300 series boards.
 
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