Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | ASRock - X870E Taichi | MSI - MEG Z890 Ace |
|---|---|---|
| Max memory | 256 GB | 192 GB |
| M.2 slots | 5 | 6 |
Between the X870E Taichi and MEG Z890 Ace, the X870E Taichi comes out ahead in max memory, while the MEG Z890 Ace wins on m.2 slots. Overall, the X870E Taichi scores 74.6 and the MEG Z890 Ace scores 76.2 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (74.6 vs 76.2). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the X870E Taichi if you care most about max memory. The biggest gaps in its favor are max memory. The single most decisive one: Max memory — 33.33% more. 256 GB vs 192 GB.
Pick the MEG Z890 Ace if you care most about m.2 slots. Its strongest claims are m.2 slots. The single most decisive one: M.2 slots — 1.00 more. 6 vs 5.
Both ship with comparable ram slots, pcie slots, wi-fi 7, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: ASRock - X870E Taichi or MSI - MEG Z890 Ace?
MSI - MEG Z890 Ace leads the current Mars Score by 1.6 points.The more useful decision is the trade-off behind that result: compare m.2 slots, max memory against the way you will actually use the product.
Choose ASRock - X870E Taichi if…
ASRock - X870E Taichi has the measurable edge on max memory gb.
Choose MSI - MEG Z890 Ace if…
MSI - MEG Z890 Ace has the measurable edge on m2 slots.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why ASRock - X870E Taichi wins
- ▲Max memory — 33.33% more. 256 GB vs 192 GB.
Why MSI - MEG Z890 Ace wins
- ▲M.2 slots — 1.00 more. 6 vs 5.
Spec comparison
Platform
Expansion
| Spec | ASRock - X870E Taichi | MSI - MEG Z890 Ace |
|---|---|---|
| RAM slots | 4 | 4 |
| Max memory | 256 GBlead | 192 GB |
| PCIe slots | 3 | 3 |
| M.2 slotsⓘ | 5 | 6lead |
I/O
| Spec | ASRock - X870E Taichi | MSI - MEG Z890 Ace |
|---|---|---|
| USB ports | 13 | 14lead |
| 2.5GbE LAN | true | true |
| Wi-Fi 7ⓘ | true | true |