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ASUS Prime B450M-A II (AMD AM4 Socket for Ryzen 5000/4000/G/ 3rd/2nd/1st Gen) DDR4 Micro ATX Motherboard with M.2 Support HDMI/DVI-D/D-Sub 1Gb Ethernet BIOS Flashback and Aura Sync RGB

ASUS Prime B450M-A II

No price

Amazon.co.uk had no new offer for this board when we last checked (20 Sep 2026, 02:41 BST). It may be out of stock or sold only by other sellers.

  • £85.07lowest we have recorded, 25 Mar 2026
  • £152.3330-day low
  • £143.1790-day low
  • £156.42typical price, last 90 days
  • 181 dayswe have checked this price for

See it on Amazon

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Specification

ModelPrime B450M-A II
BrandASUS
SocketAM4
ChipsetB450
Form factorMicro-ATX
MemoryDDR4
WiFiNo
First available on AmazonOct 2020 (5 yr 11 mo old)
Amazon ASINB08KH12V25
Amazon sales rank#145,058 (lower sells more)

Read from the Amazon listing title. Confirm the details and the CPU support list on the maker’s website before you buy.

Guides: AMD B450 chipset guide · AMD AM4 socket guide

Stated in the Amazon listing

RAM slots4
Maximum RAM128 GB
Fastest RAM speed stated4,400 MT/s
Wired LAN1GbE
BIOS flashbackYes
ARGB headersYes
Video outputsHDMI

Read automatically from the listing’s title and feature bullets. A feature that is missing here is simply not mentioned in the listing; the board may still have it.

From the Amazon listing

The seller’s own description, as shown on Amazon.co.uk. We have not checked these claims.

Price history

£50£100£150£200£155.53 from 20 May 2026£155.29 from 20 May 2026£155.08 from 20 May 2026£155.97 from 21 May 2026£170.03 from 21 May 2026£154.08 from 22 May 2026£154.05 from 22 May 2026£154.09 from 29 May 2026£154.05 from 29 May 2026£154.12 from 30 May 2026£154.05 from 31 May 2026£148.27 from 8 Jun 2026£154.37 from 19 Jun 2026£156.42 from 27 Jun 2026£147.94 from 13 Jul 2026£143.17 from 29 Jul 2026£144.21 from 1 Aug 2026£143.17 from 1 Aug 2026£154.18 from 2 Aug 2026£157.91 from 5 Aug 2026£154.44 from 6 Aug 2026£171.87 from 6 Aug 2026£154.55 from 14 Aug 2026£154.55 from 15 Aug 2026£169.67 from 15 Aug 2026£169.54 from 16 Aug 2026£169.29 from 16 Aug 2026£169.11 from 16 Aug 2026£168.90 from 16 Aug 2026£168.71 from 16 Aug 2026£168.47 from 16 Aug 2026£168.29 from 16 Aug 2026£168.09 from 17 Aug 2026£167.91 from 17 Aug 2026£167.68 from 17 Aug 2026£167.44 from 17 Aug 2026£156.00 from 17 Aug 2026£159.97 from 17 Aug 2026£159.79 from 18 Aug 2026£169.79 from 18 Aug 2026£169.49 from 18 Aug 2026£166.44 from 18 Aug 2026£166.14 from 18 Aug 2026£165.94 from 19 Aug 2026£165.71 from 19 Aug 2026£165.54 from 19 Aug 2026£165.30 from 19 Aug 2026£165.11 from 19 Aug 2026£164.99 from 19 Aug 2026£164.74 from 20 Aug 2026£164.56 from 20 Aug 2026£164.38 from 20 Aug 2026£164.16 from 20 Aug 2026£163.98 from 20 Aug 2026£162.16 from 20 Aug 2026£161.91 from 21 Aug 2026£161.75 from 21 Aug 2026£161.55 from 21 Aug 2026£161.32 from 21 Aug 2026£152.74 from 21 Aug 2026£161.41 from 21 Aug 2026£161.22 from 22 Aug 2026£161.73 from 22 Aug 2026£161.50 from 22 Aug 2026£161.32 from 22 Aug 2026£168.69 from 22 Aug 2026£168.59 from 22 Aug 2026£161.76 from 22 Aug 2026£161.50 from 23 Aug 2026£161.40 from 23 Aug 2026£162.35 from 23 Aug 2026£162.18 from 23 Aug 2026£161.93 from 23 Aug 2026£161.76 from 23 Aug 2026£161.71 from 24 Aug 2026£161.53 from 24 Aug 2026£161.14 from 24 Aug 2026£161.80 from 24 Aug 2026£161.44 from 24 Aug 2026£161.39 from 24 Aug 2026£162.58 from 25 Aug 2026£162.41 from 25 Aug 2026£162.01 from 25 Aug 2026£161.83 from 25 Aug 2026£161.86 from 25 Aug 2026£161.50 from 26 Aug 2026£169.32 from 26 Aug 2026£169.12 from 26 Aug 2026£168.89 from 26 Aug 2026£168.40 from 26 Aug 2026£168.15 from 26 Aug 2026£167.92 from 27 Aug 2026£167.71 from 27 Aug 2026£167.58 from 27 Aug 2026£167.37 from 27 Aug 2026£167.02 from 27 Aug 2026£166.80 from 27 Aug 2026£166.35 from 28 Aug 2026£166.38 from 28 Aug 2026£166.21 from 28 Aug 2026£165.70 from 28 Aug 2026£165.53 from 28 Aug 2026£152.33 from 28 Aug 2026£165.63 from 29 Aug 2026£165.45 from 29 Aug 2026£165.22 from 29 Aug 2026£165.03 from 29 Aug 2026£180.32 from 29 Aug 2026£180.32 from 1 Sep 2026£180.32 from 2 Sep 2026£180.33 from 2 Sep 2026£180.33 from 3 Sep 2026£180.33 from 3 Sep 2026£180.33 from 4 Sep 2026£180.33 from 4 Sep 2026£180.33 from 5 Sep 2026£180.33 from 5 Sep 2026£180.36 from 6 Sep 2026£161.43 from 7 Sep 2026£161.43 from 9 Sep 202622 Mar 2026Jun 202620 Sep 2026
  • £85.07lowest we have seen
  • £180.36highest
  • £156.42usual price, last 90 days
  • 22 Mar 2026tracked since
Price changes as a table
FromNew price
9 Sep 2026, 01:47£161.43
7 Sep 2026, 19:47£161.43
6 Sep 2026, 18:57£180.36
5 Sep 2026, 19:08£180.33
5 Sep 2026, 03:57£180.33
4 Sep 2026, 16:33£180.33
4 Sep 2026, 01:21£180.33
3 Sep 2026, 08:38£180.33
3 Sep 2026, 00:58£180.33
2 Sep 2026, 09:31£180.33
2 Sep 2026, 05:45£180.32
1 Sep 2026, 17:26£180.32
29 Aug 2026, 20:26£180.32
29 Aug 2026, 16:39£165.03
29 Aug 2026, 12:50£165.22
29 Aug 2026, 09:04£165.45
29 Aug 2026, 05:15£165.63
28 Aug 2026, 21:39£152.33
28 Aug 2026, 17:52£165.53
28 Aug 2026, 14:04£165.70
28 Aug 2026, 10:16£166.21
28 Aug 2026, 06:28£166.38
28 Aug 2026, 02:31£166.35
27 Aug 2026, 22:40£166.80
27 Aug 2026, 18:53£167.02
27 Aug 2026, 15:07£167.37
27 Aug 2026, 11:18£167.58
27 Aug 2026, 07:30£167.71
27 Aug 2026, 03:43£167.92
26 Aug 2026, 23:53£168.15

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