The Comparator

ASUS Prime B450M-A II

The current ASUS Prime B450M-A II price from retailers, its key specifications, and how it performs for each job.

ASUS · MOBO · AM4

Tracked offers
No current tracked offers
Last observed $204 · 2026-11-02
Historical observation — not today's price
Capability grades stay current · methodology mobo-value-v6.1

Check a price you found Plan an upgrade

C
Small-Case Fitbest grade of 1 scenarios
Socket
AM4
Chipset
AMD B450
Form factor
Micro ATX
Memory
DDR4
M.2 slots
2

What it is good for

Scenariothis productCapability grade
◉Small-Case FitScenario capabilityGradeC

A grade answers “how well does this handle that job?” — price is never part of it. We are not tracking a verified offer right now, so there is no Relative Value to show against it.

Compare these grades with the full tier list

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Performance and where it ranks

Two different questions, side by side. Performance compares what the hardware can do; Value compares what that capability costs at today’s price. A product can rank high on one and low on the other — that gap is the point.

Performance Balanced

How much it can do. Price plays no part in this ranking.

#567 of 968 graded motherboards

  1. #564 MSIMSI MPG B550 GAMING EDGE WIFI 62
  2. #565 MSIMSI MPG B550 GAMING PLUS 62
  3. #566 MSIMSI MPG B550I GAMING EDGE MAX WIFI 62
  4. #567 ASUSASUS Prime B450M-A II 62
  5. #568 ASUSASUS Z170-A 59
  6. #569 ASUSASUS Z170-DELUXE 59
  7. #570 ASUSASUS Z170M-PLUS 59

ASUS Prime B450M-A II in today's market

We are not tracking a current offer for ASUS Prime B450M-A II in United States right now. The last offers we observed are listed below as history; capability, ranks and specifications do not depend on them.

Last observed offers

RetailerConditionPrice thenObserved
NeweggNew$204last observed 2026-11-02
NeweggNew$204last observed 2026-11-01

These are historical snapshots from tracked retailers. They are not presented as currently available, and they never count toward Value, rankings or our offer data.

Someone is offering you a ASUS Prime B450M-A II? Check that price

Enter the asking price: it is scored against today's market under your priorities. Capability is the same at any price; only Value changes. Nothing is saved unless you save it as your deal.

Upgrade planner

Judge the change in the active scenario, then make the cash gap explicit.

Using page scenario

Capability differences are expressed as tiers and index points, not as benchmark percentages we did not measure.

What replaces the ASUS Prime B450M-A II today

Chosen for Balanced

Closest current replacement ASUSASUS TUF GAMING B450M-PRO S
Price$151
Relative Value48
Capability+0%
Lower-cost current alternative GigabyteGigabyte B550M K
PriceCheck on Amazon
Relative Value80
Capability+0%
Meaningful upgrade GigabyteGigabyte X870 GAMING WIFI6
Price$160
Relative Value78
Capability+44%

Chosen by capability in the same scenario against today's market: the closest current product that is not a downgrade, the cheapest current product within 10% of its capability, and the best Value among products at least 30% more capable.

More head-to-head comparisons in this category

Specifications and compatibility

What this product is, and what to check before it goes into your build.

Memory

Type
DDR4

Power / Interface

Socket
AM4
Chipset
AMD B450
Form factor
Micro ATX

Physical / Outputs

M.2 slots
2
USB ports
3
Show all specifications

Warranty

Warranty
3 years
Manufacturer part number
Prime B450M-A II, 90MB15Z0-M0AAY0

Hover any value to see where it came from: a manufacturer specification, or a figure The Comparator calculated.

Sources: Comparator offer frame 2026-11-02–2026-11-09

What to check in your build

CPU socket Required

AM4

Takes AM4 processors — a matching socket is necessary but not sufficient, check the vendor's CPU support list

Find compatible processors

Case form factor Required

Micro ATX

Micro ATX — the case must accept this size

Memory Required

DDR4

Takes DDR4 memory only — another DDR generation does not fit the slots

Find compatible RAM memory kits

Found an error? Report this specification Email the field, corrected value and an optional source.

Compatibility guidance is practical help, not a score. Missing data is shown as unknown, never invented.

Compare ASUS Prime B450M-A II with current hardware

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FAQ

Why is there no current price for the ASUS Prime B450M-A II?

None of the retailers we track lists a new ASUS Prime B450M-A II today. We keep the last offers we observed as dated history, but we do not present them as today's price and they never enter Value or rankings. Capability grades and specifications do not depend on an offer and stay current.

What is a fair used price for the ASUS Prime B450M-A II?

It depends on what today's market offers for the same money, not on a percentage of an old price. Enter the asking price in the price check on this page: it scores the ASUS Prime B450M-A II at that price against current products under your priorities and shows the prices at which its Value would be strong.

What should I upgrade to from the ASUS Prime B450M-A II?

For the same capability today, the closest current product is ASUS TUF GAMING B450M-PRO S; for a meaningful step up, Gigabyte X870 GAMING WIFI6 is the best Value among products at least 30% more capable. The upgrade planner on this page ranks options by what they add for the money you actually spend after selling your ASUS Prime B450M-A II.

Useful links & sources

offer frame 2026-11-02–2026-11-09 · formula mobo-value-v6.1 · facts facts-2026-11-09 · Relative Value is an estimate from our current dataset, the selected weights and dated market prices — not an official product rating and not a price forecast. Target prices are calculation thresholds, not predictions. Methodology We are not a shop. Affiliate links may earn us a commission; they never change the calculations or the ranking.