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ASUS Pro WS B850M-ACE SE AMD AM5 B850 mATX MicroATX Business motherboard, PCIe 5.0 x 16, DDR5, 2x PCIe 5.0 M.2, PCIe 5.0 MCIO, U.2, 10G & 2.5G LAN, USB4, ASUS Control Center Express Remote Management

ASUS Pro WS B850M-ACE SE AMD AM5 B850 mATX MicroATX Business motherboard
£420.52

New, on Amazon.co.uk · as of

  • £333.80lowest we have recorded, 30 Jan 2026
  • £420.5230-day low
  • £420.5290-day low
  • £426.20typical price, last 90 days
  • 365 dayswe have checked this price for

Check price on Amazon

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Specification

ModelPRO WS B850M-ACE SE
BrandASUS
SocketAM5
ChipsetB850
Form factorMicro-ATX
MemoryDDR5
WiFiNo
First available on AmazonOct 2025 (1 yr old)
Amazon ASINB0FTPDCM57
Amazon sales rank#265,290 (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 B850 chipset guide · AMD AM5 socket guide

Stated in the Amazon listing

M.2 slots2
Newest PCIe generation statedPCIe 5.0
PCIe 5.0 graphics slotYes
PCIe 5.0 M.2 slotYes
Wired LAN2.5GbE
USB4 / ThunderboltUSB4
Fastest USB-C port20 Gbps

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

£300£350£400£450£350.62 from 6 Nov 2025£347.08 from 9 Nov 2025£349.36 from 14 Nov 2025£351.21 from 14 Nov 2025£346.60 from 7 Dec 2025£344.35 from 11 Dec 2025£344.40 from 11 Dec 2025£345.63 from 17 Dec 2025£345.73 from 23 Dec 2025£341.65 from 25 Dec 2025£341.82 from 31 Dec 2025£341.40 from 14 Jan 2026£344.93 from 21 Jan 2026£333.80 from 30 Jan 2026£336.98 from 2 Feb 2026£341.01 from 8 Feb 2026£336.97 from 12 Feb 2026£341.49 from 28 Feb 2026£344.93 from 5 Mar 2026£347.41 from 18 Mar 2026£347.62 from 21 Mar 2026£346.15 from 12 Apr 2026£346.99 from 13 Apr 2026£342.76 from 16 Apr 2026£342.82 from 22 Apr 2026£426.20 from 3 Nov 2026£420.52 from 5 Nov 20266 Nov 2025May 20265 Nov 2026
  • £333.80lowest we have seen
  • £426.20highest
  • £426.20usual price, last 90 days
  • 6 Nov 2025tracked since
Price changes as a table
FromNew price
5 Nov 2026, 12:22£420.52
3 Nov 2026, 18:22£426.20
29 Apr 2026, 11:56no offer
22 Apr 2026, 12:32£342.82
16 Apr 2026, 09:24£342.76
13 Apr 2026, 10:52£346.99
12 Apr 2026, 10:12£346.15
21 Mar 2026, 19:56£347.62
18 Mar 2026, 11:12£347.41
5 Mar 2026, 13:48£344.93
28 Feb 2026, 13:36£341.49
12 Feb 2026, 21:46£336.97
8 Feb 2026, 12:44£341.01
2 Feb 2026, 13:20£336.98
30 Jan 2026, 21:16£333.80
21 Jan 2026, 05:00£344.93
14 Jan 2026, 07:12£341.40
31 Dec 2025, 09:32£341.82
25 Dec 2025, 15:44£341.65
23 Dec 2025, 11:18£345.73
17 Dec 2025, 07:08£345.63
11 Dec 2025, 18:52£344.40
11 Dec 2025, 01:24£344.35
7 Dec 2025, 23:24£346.60
14 Nov 2025, 14:38£351.21
14 Nov 2025, 07:20£349.36
9 Nov 2025, 08:12£347.08
6 Nov 2025, 11:42£350.62

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