The Comparator

ASRock B550M-ITX vs ASUS PRIME B550-PLUS AC-HES

Compare ASRock B550M-ITX and ASUS PRIME B550-PLUS AC-HES in the United States side by side across price, specifications, capability by use case and the price at which the answer changes.

Market snapshot Oct 29, 2026 · USD

Specifications, performance and current prices compared in United States · USD · prices checked through Oct 29, 2026

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ASRock B550M-ITX

ASRock

Current comparison price

$130Value · Balanced19

from 3 offers at 3 retailers · checked Oct 29

Capability highlights · price excluded

  • A Small-Case Fit
+2 more · view all grades
  • B Gaming Build
  • D Workstation
  • A Small-Case Fit

Key differences at a glance

Capabilityprice excluded

Scenarios won: ASRock B550M-ITX 1, ASUS PRIME B550-PLUS AC-HES 0, even 2. ASRock B550M-ITX is ahead for Small-Case Fit. View grades →

Valueunder Balanced

ASUS PRIME B550-PLUS AC-HES has the higher Value under these priorities (47 vs 19).

Pricecurrent market snapshot

ASUS PRIME B550-PLUS AC-HES costs less right now ($129 vs $130, 1% apart).

How priorities change the comparison Presets with the higher Value: ASRock B550M-ITX 1 · ASUS PRIME B550-PLUS AC-HES 3 · even 0
Priority ASRock B550M-ITX ASUS PRIME B550-PLUS AC-HES
1947
1334
317
2817

Pick a preset to compare under it: the whole page follows. Within 2 points counts as even.

Price difference and break-even price

Under Balanced, each product holds or loses the higher Value at one price, with the other held at its current price. Enter the prices you were actually offered to see the answer for your deal.

ASRock B550M-ITX

Current comparison price

$130 19

ASRock B550M-ITX matches the Value of ASUS PRIME B550-PLUS AC-HES (at $129) at $36 or less.

ASUS PRIME B550-PLUS AC-HES

Current comparison price

$129 47

ASUS PRIME B550-PLUS AC-HES keeps the higher Value up to $460 (with ASRock B550M-ITX at $130).

A crossover is a calculation under the active priorities and today's market frame, not a price forecast.

Price comparison: current offers

New offers we track in United States (USD), cheapest first, with the date each was checked. Amazon appears as a link only: its price is not shown and never enters Value.

ASRock B550M-ITX

  1. Check on AmazonAmazonAffiliate link · price shown on AmazonCheck price →
  2. $130Best priceASRock B550M-ITX (Mini)CentralComputer · checked Go to offer →
  3. $160ASRock B550M-ITX (Mini)Newegg · checked · Affiliate linkGo to offer →
  4. $173ASRock B550M-ITX (Mini)MemoryC · checked · Affiliate linkGo to offer →

ASUS PRIME B550-PLUS AC-HES

  1. Check on AmazonAmazonAffiliate link · price shown on AmazonCheck price →
  2. $129Best priceASUS PRIME B550-PLUS AC-HES (ATX)B&H · checked Go to offer →
  3. $129ASUS PRIME B550-PLUS AC-HES (ATX)Newegg · checked · Affiliate linkGo to offer →
  4. $130ASUS PRIME B550-PLUS AC-HES (ATX)ASUS · checked · Affiliate linkGo to offer →
  5. $164ASUS PRIME B550-PLUS AC-HES (ATX)MemoryC · checked · Affiliate linkGo to offer →

Affiliate links may earn us a commission. They never change the prices shown here, the ranking or Value.

Performance and key differences

What each product can do for a job, graded S to F with price left out, and the measured indexes behind it.

View full tier list and performance rankings

ASRock B550M-ITX ASUS PRIME B550-PLUS AC-HES
Gaming BuildB #509B #472
WorkstationD #860D #521
Small-Case FitA #23D #745
Features4197
Connectivity915
Memory support2856

Where each one leads

  • Lower current price · Higher Value with these priorities · More offers

Specifications compared

Facts true of every board a product groups; a range or "varies" marks a fact that differs between boards.

6 identical facts hidden

ASRock B550M-ITX ASUS PRIME B550-PLUS AC-HES
Platform
Form factorMini-ITXATX
Memory
Memory slots24
Storage and connectivity
M.2 slots24
Product
BrandASRockASUS

Not tracked means the source data does not have this fact. It is not assumed to be absent.

Which one to choose: where each wins

Conditions drawn from the data above, not a universal recommendation. The better choice depends on which of these matter to you.

ASRock B550M-ITX fits better when…

  • the job is Small-Case Fit: higher capability grade

ASUS PRIME B550-PLUS AC-HES fits better when…

  • Features matters: higher index
  • Connectivity matters: higher index
  • Memory support matters: higher index
  • your priorities are Balanced: higher Value
  • the budget decides: 1% lower current price

Nearby market alternative

Worth considering instead
ASRock B650 PG LIGHTNING — same A-tier capability for Gaming Build, about $29 cheaper · Value 57.
Neither of the two above is the only answer — this one clears the same bar for less. ⇄ Compare all three

Questions and methodology

Which one is better, ASRock B550M-ITX or ASUS PRIME B550-PLUS AC-HES?

It depends on the question. For capability (price left out) see the grades by use case; for how good the current price is for what you get, see Value under your priorities; and for the cheapest option today, see current prices. This page keeps the three apart and does not name one overall winner.

Which has the higher Value right now?

Under Balanced, ASUS PRIME B550-PLUS AC-HES has the higher Value (47 vs 19) in the market snapshot of Oct 29, 2026. Value changes with your priorities and with prices.

At what price does the answer change?

Under Balanced, with ASUS PRIME B550-PLUS AC-HES at its current price, ASRock B550M-ITX reaches equal Value at $36. It is a calculation, not a price forecast.

Which one is more capable, ignoring price?

Scenarios won: ASRock B550M-ITX 1, ASUS PRIME B550-PLUS AC-HES 0, even 2. ASRock B550M-ITX is ahead for Small-Case Fit.

Where can I compare current offers?

The offers section lists every new offer we track for both products in United States, with the date each price was checked. Open in Compare to add more products.

How we measure →