ASUS PRIME B860M-K
The current ASUS PRIME B860M-K price from retailers, its key specifications, and how it performs for each job.
ASUS · MOBO · LGA1851
Retailer photo of ASUS PRIME B860M-K (Micro ATX). View this offer in Where to buy
Trade-offs: you want strong value with Balanced priorities specifically
- Socket
- LGA 1851
- Chipset
- Intel B860
- Form factor
- Micro ATX
- Memory
- DDR5 · 2 slots
- M.2 slots
- 4
Move a slider and the page re-scores this product against the same market frame.
What does it cost today, and is that a good price?
Market confidence: LowAt CAD 298 the ASUS PRIME B860M-K is priced in line with its CAD 298 representative market level. Only one retailer currently backs that price, so the level is a single data point rather than a market.
Limited market: only one retailer currently has a verified offer, so treat this price as a single data point.
Prices & availability
ASUS PRIME B860M-K: current price and offers
Compare the offers we track for this model, across variants and retailers.
1 tracked offers · 1 retailers
| Variant | Store | Condition | Price (snapshot) | Value · Balanced | Checked | Offer link |
|---|---|---|---|---|---|---|
| ASUS PRIME B860M-K (Micro ATX) | Newegg | New | CAD 298 | 30 | 2026-10-29 | View offer → |
| ASUS PRIME B860M-KMultiple variants available | Amazon Affiliate | Varies | Find on Amazon | Not tracked | No price snapshot | Find on Amazon → |
Prices are dated snapshots, not live quotes — confirm the final price at the store. New, refurbished and used offers are listed separately; used offers carry warranty and seller risk.
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.
#500 of 703 graded motherboards
- #497 ASUSASUS PRIME B860M-A 49
- #498 ASUSASUS PRIME B860M-A WIFI 49
- #499 ASUSASUS PRIME B860M-A WIFI-CSM 49
- #500 ASUSASUS PRIME B860M-K 49
- #501 ASUSASUS Pro B860M-CT-CSM 49
- #502 ASUSASUS ROG STRIX B860-F GAMING WIFI 49
- #503 ASUSASUS ROG STRIX B860-I GAMING WIFI 49
Value Balanced
How much of that you get for today’s price.
#409 of 727 currently priced motherboards
- #406 MSIMSI PRO B760-P DDR4 II 30
- #407 ASUSASUS TUF GAMING B550M-E WIFI 30
- #408 ASUSASUS ROG Maximus XIII Extreme 30
- #409 ASUSASUS PRIME B860M-K 30
- #410 GigabyteGigabyte Z890 AERO D 30
- #411 ASUSASUS Prime X470-Pro 30
- #412 ASUSASUS ROG STRIX B760-I GAMING WIFI 30
Performance Gaming Build
How much it can do. Price plays no part in this ranking.
#360 of 685 graded motherboards
- #357 ASUSASUS ROG ZENITH EXTREME 78
- #358 ASRockASRock B860M Pro-A WiFi 78
- #359 ASRockASRock B860M-X 78
- #360 ASUSASUS PRIME B860M-K 78
- #361 ASUSASUS ROG STRIX B860-F GAMING WIFI 78
- #362 ASUSASUS ROG STRIX B860-I GAMING WIFI 78
- #363 ASUSASUS TUF GAMING B860-PLUS WIFI 78
Value Gaming Build
How much of that you get for today’s price.
#460 of 727 currently priced motherboards
- #457 GigabyteGigabyte B760M GAMING X AX DDR4 22
- #458 GigabyteGigabyte B760M GAMING WIFI PLUS 22
- #459 MSIMSI B450 GAMING PRO CARBON MAX WIFI 22
- #460 ASUSASUS PRIME B860M-K 22
- #461 ASUSASUS TUF Z390-PLUS GAMING 21
- #462 GigabyteGigabyte X570 UD 21
- #463 MSIMSI PRO X870E-S EVO WIFI 21
Performance Workstation
How much it can do. Price plays no part in this ranking.
#560 of 680 graded motherboards
- #557 ASUSASUS PRIME B460M-A 35
- #558 ASUSASUS B860M AYW GAMING WIFI 35
- #559 ASUSASUS B860M-BRO 35
- #560 ASUSASUS PRIME B860M-K 35
- #561 ASUSASUS ROG STRIX Z690-I GAMING WIFI 35
- #562 ASUSASUS b650m-ayw-wifi 34
- #563 ASUSASUS PRIME B650M-K 34
Value Workstation
How much of that you get for today’s price.
#485 of 727 currently priced motherboards
- #482 ASUSASUS PRIME Z370-P II 10
- #483 MSIMSI MAG B660M MORTAR WIFI DDR4 10
- #484 MSIMSI Z390-A PRO 10
- #485 ASUSASUS PRIME B860M-K 10
- #486 ASUSASUS PRIME B660M-A WIFI D4 10
- #487 ASRockASRock B450M PRO4 R2.0 10
- #488 ASUSASUS Strix Z370-E Gaming 10
Performance Small-Case Fit
How much it can do. Price plays no part in this ranking.
#107 of 703 graded motherboards
- #104 ASUSASUS TUF GAMING B850M-PLUS WIFI7 74
- #105 ASRockASRock B860M Pro-A WiFi 74
- #106 ASRockASRock B860M-X 74
- #107 ASUSASUS PRIME B860M-K 74
- #108 ASUSASUS TUF GAMING B860M-PLUS 74
- #109 ASUSASUS TUF GAMING B860M-PLUS WIFI 74
- #110 ASUSASUS PRIME B760M-A AX 73
Value Small-Case Fit
How much of that you get for today’s price.
#150 of 727 currently priced motherboards
- #147 ASUSASUS PRIME B660M-A D4 38
- #148 ASUSASUS PRIME B760M-A D4 37
- #149 MSIMSI B650M GAMING WIFI 37
- #150 ASUSASUS PRIME B860M-K 37
- #151 MSIMSI PRO B650M-B 37
- #152 GigabyteGigabyte B650I AX 37
- #153 ASUSASUS TUF GAMING B760M-BTF WIFI 37
These ladders follow the preset scenario shown above. Your own weights re-score this product, not the whole field.
What it is good for
| Scenario | this productCapability grade · Value at current price | Higher capability | Higher Value with current priorities |
|---|---|---|---|
| Balanced (all-round)Weighted all-round view | GradeNo grade Value30 | Higher capability MSI PRO X870E-S EVO WIFI 20 +104% capability · +4% price | Higher Value with current priorities ASRock B650 Pro RS WiFi 100 +58% capability · -36% price |
| Gaming BuildScenario capability | GradeB Value22 | Higher capability MSI PRO B650-P WIFI S 81 +28% capability · +9% price | Higher Value with current priorities Gigabyte X870 GAMING WIFI6 A 97 +17% capability · +8% price |
| WorkstationScenario capability | GradeD Value10 | Higher capability Gigabyte X870 AORUS ELITE WIFI7 ICE A 88 +168% capability · +12% price | Higher Value with current priorities Gigabyte X870 GAMING WIFI6 B 82 +141% capability · +8% price |
| Small-Case FitScenario capability | GradeC Value37 | Higher capability Higher capability · Higher Value with current priorities ASUS ROG STRIX Z690-I GAMING WIFI S 98 +35% capability · -6% price | |
Balanced has no letter: it is a weighting preset, not a capability rubric. A grade answers “how well does this handle that job?” — price is never part of it. Relative Value puts the current market price back in.
Compare these grades with the full tier list
Browse shortlists for different uses
Trade-offs
Works well if
- Gaming Build is your main prioritygraded B for Gaming Build on the same rubric as the tier list
Consider other options if
- You want strong value with Balanced priorities specificallycompeting products deliver so much more per dollar that no price this model realistically trades at reaches the strong-value mark for this job
- Value for money matters more to you than this exact modelASRock B650 Pro RS WiFi holds Relative Value 100 against its 30 with Balanced priorities, at CAD 190
- Not the pick if Workstation is your main useit grades only D there
Works well if
- Gaming Build is your main prioritygraded B for Gaming Build on the same rubric as the tier list
Consider other options if
- You want strong value for Gaming Build specificallycompeting products deliver so much more for Gaming Build per dollar that no price this model realistically trades at reaches the strong-value mark for this job
- Not the pick if Workstation is your main useit grades only D there
- You are buying for Gaming Build and want no asterisksthe rubric caps this grade: entry chipset — no cpu overclocking headroom
For the selected scenario this is not a strong fit — the grade above is the reason, and the models below suit it better.
Works well if
- Workstation is not actually your main job — Gaming Build isit grades D for Workstation, but B for Gaming Build
Consider other options if
- Not the pick if Workstation is your main useit grades D there; Gigabyte X870 AORUS ELITE WIFI7 ICE grades A at CAD 333
- You are buying for Workstation and want no asterisksthe rubric caps this grade: expansion data not collected for this board — graded on platform only
For the selected scenario this is not a strong fit — the grade above is the reason, and the models below suit it better.
Works well if
- Small-Case Fit is not actually your main job — Gaming Build isit grades C for Small-Case Fit, but B for Gaming Build
Consider other options if
- Not the pick if Small-Case Fit is your main useit grades C there; ASUS ROG STRIX Z690-I GAMING WIFI grades S at CAD 280
- You want strong value for Small-Case Fit specificallycompeting products deliver so much more for Small-Case Fit per dollar that no price this model realistically trades at reaches the strong-value mark for this job
- Value for money matters more to you than this exact modelASUS ROG STRIX Z690-I GAMING WIFI holds Relative Value 98 against its 37 for Small-Case Fit, at CAD 280
Every line states the fact it was derived from, for the scenario selected above. Thresholds are calculated points on our value curve — information about where the maths turns, not instructions about what to pay.
Similar options to the ASUS PRIME B860M-K
Chosen for Balanced
Chosen for Gaming Build
Chosen for Workstation
Chosen for Small-Case Fit
Alternatives stay near this product’s price range. Step-up options may exceed the standard budget envelope when the capability gain is meaningful.
More head-to-head comparisons in this category
Upgrade planner
Judge the change in the active scenario, then make the cash gap explicit.
Using page scenarioWhat are you upgrading from? These are the axes we compare on, and where this product stands in the current market.
Capability differences are expressed as tiers and index points, not as benchmark percentages we did not measure.
Specifications and compatibility
What this product is, and what to check before it goes into your build.
Memory
Power / Interface
- Socket
- LGA 1851
- Chipset
- Intel B860
- Form factor
- Micro ATX
Physical / Outputs
- M.2 slots
- 4
- SATA ports
- 4
- PCIe ×16 slots
- 1
- USB ports
- 4
- Ethernet
- 2.5 Gb/s
Show all specifications
Features
- RAID
- Yes
Warranty
- Warranty
- 3 years
- Manufacturer part number
- PRIME B860M-K
Hover any value to see where it came from: a manufacturer specification, or a figure The Comparator calculated.
Sources: Comparator offer frame 2026-10-29
What to check in your build
LGA 1851
Takes LGA 1851 processors — a matching socket is necessary but not sufficient, check the vendor's CPU support list
Micro ATX
Micro ATX — the case must accept this size
DDR5 · 2 slots · up to 128 GB
Takes DDR5 memory only — another DDR generation does not fit the slots
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.
Summary
ASUS PRIME B860M-K offers a balanced view across an all-round mix of priorities. It ranks #500 by capability in the current modelled field. Its clearest measured strength is feature score 61. ASRock B650 Pro RS WiFi currently clears the same practical bar with stronger Relative Value.
ASUS PRIME B860M-K offers B-grade capability for Gaming Build. It ranks #360 by capability in the current modelled field. Its clearest measured strength is feature score 61. ASRock B650 Pro RS WiFi currently clears the same practical bar with stronger Relative Value.
ASUS PRIME B860M-K offers D-grade capability for Workstation. It ranks #560 by capability in the current modelled field. Its clearest measured strength is feature score 61. The D grade is the decisive limitation for this workload.
ASUS PRIME B860M-K offers C-grade capability for Small-Case Fit. It ranks #107 by capability in the current modelled field. Its clearest measured strength is feature score 61. The C grade is the decisive limitation for this workload.
FAQ
Why does Relative Value change when I choose another scenario?
Each scenario changes the weights applied to capability, price and the other published factors. The hardware facts stay fixed, but the value question changes, so its score and rank can change too.
Why can Amazon appear without a tracked price?
Amazon listing snapshots can participate in Value while fresh. We show Check on Amazon instead of its price; confirm the current price and availability at the store. When no current listing snapshot exists, Amazon is a search link only.
Useful links & sources
offer frame 2026-10-29 · formula mobo-value-v1.4 · facts facts-2026-10-29 · 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.