From Wikipedia, the free encyclopedia
Model Release date PCIe support [a] Multi-GPU USB support [b] Storage features Processor
overclocking
TDP CPU support Architecture
CrossFire SLI SATA ports RAID AMD StoreMI Excavator Zen Zen+ Zen 2 Zen 3
A300 Feb 2017 None Untested None None Yes [1] No [2] No ~120 μW [c] No Yes [3] [4] Knoll Express [5]
X300 Yes Yes [6]
Pro 500 Jan 2020 [7] Un­known No Partial [d]
A320 Feb 2017 [8] [9] PCIe 2.0 ×4 No No 1, 2, 6 4 0,
1,
10
No Limited [e] ~5.8 W [10] Yes Yes Yes Varies [f] Promontory
B350 PCIe 2.0 ×6 Yes 2, 2, 6 Yes
X370 PCIe 2.0 ×8 Yes 2, 6, 6 8
B450 Mar 2018 [11] PCIe 2.0 ×6 No 2, 2, 6 4 Yes Yes,
with PBO
Varies [g] Yes Varies [g] [12]
X470 PCIe 2.0 ×8 Yes 2, 6, 6 8
A520 Aug 2020 [13] PCIe 3.0 ×6 No 1, 2, 6 4 No Varies
B550 [h] Jun 2020 [14] [15] PCIe 3.0 ×10 Yes Varies 2, 2, 6 6 Yes,
with PBO
~7W
X570 Jul 2019 [16] [17] PCIe 4.0 ×16 Yes 8, 0, 4 12 ~15 W [18] [19] [i] No Yes Yes Bixby
  1. ^ PCIe lanes provided by the chipset. The CPU provides other PCIe 3.0 or 4.0 lanes.
  2. ^ USB 3.2 Gen 2, USB 3.2 Gen 1, USB 2.0
  3. ^ Knoll chipsets consume "insignificant power ...after [boot] in sleep mode", power figure based on a typical SPI controller
  4. ^ Limited to specific SKUs branded as Ryzen Pro and Athlon Pro
  5. ^ Only pre-Zen CPUs can be overclocked.
  6. ^ BIOS update needed. Availability may depend on manufacturer.
  7. ^ a b Beta BIOS updates may be made available by motherboard manufacturers.
  8. ^ OEM-only B550A is a rebranded B450
  9. ^ 7 watts on passive cooling (termed X570s).
  1. ^ "AMD Socket AM4 Chipset". AMD. Retrieved 26 January 2023.
From Wikipedia, the free encyclopedia
Model Release date PCIe support [a] Multi-GPU USB support [b] Storage features Processor
overclocking
TDP CPU support Architecture
CrossFire SLI SATA ports RAID AMD StoreMI Excavator Zen Zen+ Zen 2 Zen 3
A300 Feb 2017 None Untested None None Yes [1] No [2] No ~120 μW [c] No Yes [3] [4] Knoll Express [5]
X300 Yes Yes [6]
Pro 500 Jan 2020 [7] Un­known No Partial [d]
A320 Feb 2017 [8] [9] PCIe 2.0 ×4 No No 1, 2, 6 4 0,
1,
10
No Limited [e] ~5.8 W [10] Yes Yes Yes Varies [f] Promontory
B350 PCIe 2.0 ×6 Yes 2, 2, 6 Yes
X370 PCIe 2.0 ×8 Yes 2, 6, 6 8
B450 Mar 2018 [11] PCIe 2.0 ×6 No 2, 2, 6 4 Yes Yes,
with PBO
Varies [g] Yes Varies [g] [12]
X470 PCIe 2.0 ×8 Yes 2, 6, 6 8
A520 Aug 2020 [13] PCIe 3.0 ×6 No 1, 2, 6 4 No Varies
B550 [h] Jun 2020 [14] [15] PCIe 3.0 ×10 Yes Varies 2, 2, 6 6 Yes,
with PBO
~7W
X570 Jul 2019 [16] [17] PCIe 4.0 ×16 Yes 8, 0, 4 12 ~15 W [18] [19] [i] No Yes Yes Bixby
  1. ^ PCIe lanes provided by the chipset. The CPU provides other PCIe 3.0 or 4.0 lanes.
  2. ^ USB 3.2 Gen 2, USB 3.2 Gen 1, USB 2.0
  3. ^ Knoll chipsets consume "insignificant power ...after [boot] in sleep mode", power figure based on a typical SPI controller
  4. ^ Limited to specific SKUs branded as Ryzen Pro and Athlon Pro
  5. ^ Only pre-Zen CPUs can be overclocked.
  6. ^ BIOS update needed. Availability may depend on manufacturer.
  7. ^ a b Beta BIOS updates may be made available by motherboard manufacturers.
  8. ^ OEM-only B550A is a rebranded B450
  9. ^ 7 watts on passive cooling (termed X570s).
  1. ^ "AMD Socket AM4 Chipset". AMD. Retrieved 26 January 2023.

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