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ASUS ROG MAXIMUS Z890 HERO motherboard with Intel Core Ultra 7 265K CPU installed in LGA 1851 socket

ASUS

ASUS ROG MAXIMUS Z890 HERO Intel motherboard & Core Ultra 7 265K CPU combo

SKU CH-4K1X-S56PJ

Z890 ATX motherboard paired with a Core Ultra 7 265K, DDR5 up to 9200 MT/s, WiFi 7, Thunderbolt 4 and a 22+2+1+2 stage VRM

  • ProcessorIntel Core Ultra Processors (Series 2)
  • ChipsetIntel Z890
  • Form factorATX
  • CPU socketLGA 1851
  • Memory slot count4 × 288pin (DDR5)
  • Max supported RAM256 GB

Motherboard ROG MAXIMUS Z890 HERO

CPU +Ultra 7 265K

  • AI-ready platform for advanced computing workloads
  • 22+2+1+2 power stages deliver stable CPU current
  • DDR5 support up to 9200 MT/s for high memory bandwidth
  • WiFi 7 and Bluetooth 5.4 provide fast wireless connectivity
  • Thunderbolt 4 ports enable high-speed peripheral expansion

Ready for Advanced AI PCs

This motherboard and CPU combo targets builders who want an LGA 1851 platform ready for Intel Core Ultra Series 2 processors. The Z890 chipset and 125W Arrow Lake chip deliver the compute headroom needed for demanding AI workloads and high-refresh gaming.

Installation notes and common pitfalls

The ATX board uses a 22+2+1+2 stage VRM with 110A, 90A and 80A power stages, so CPU power connectors must be fully seated. Four DDR5 slots support up to 256GB at 9200 MT/s, but populating all four can limit top frequency. The primary PCIe 5.0 x16 slot drops to x8 when M.2_3 or M.2_4 are populated, a frequent oversight.

Capacity and headroom

Dual-channel DDR5 scales to 256GB, giving ample room for large datasets and heavy multitasking. The CPU provides 30MB L3 and 36MB L2 cache plus integrated Intel Graphics for quick-sync tasks. Storage includes one PCIe 5.0 M.2, additional PCIe 4.0 M.2 slots, and four SATA 6Gb/s ports. Networking tops out at 5Gbps and 2.5Gbps LAN plus WiFi 7 and Bluetooth 5.4.

How it compares

Measured against everything we stock in Motherboards for Intel CPUs, at today’s prices. Recalculated every night.

Price $1,071.99
Pricier than about 93% of the 2,965 comparable items (median $97.99).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameASUS
Product lineROG MAXIMUS Z890 HERO+Ultra 7 265K
Model nameROG MAXIMUS Z890 HERO+Ultra 7 265K
Processor
ProcessorIntel Core Ultra Processors (Series 2)
CPU socketLGA 1851
ChipsetIntel Z890
Memory
Memory slot count4 × 288pin (DDR5)
Max supported RAM256 GB
Memory channelsDual Channel
Storage
SATA ports4 x SATA 6Gb/s
M.2 slotsIntel Core Ultra Processors (Series 2) *
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 5.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)**
M.2_4 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)
Intel Z890 Chipset
M.2_5 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
M.2_6 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
SlimSAS slot supports PCIe 4.0 x4 mode or up to 4 SATA devices via a transfer cable. The cable is purchased separa
SATA and RAID support* Intel Rapid Storage Technology supports PCIe RAID 0/1/5/10, SATA RAID 0/1/5/10, M.2 slot from CPU only supports RAID 0/1/5
Audio & video
Sound channels7.1 Channels
Connectivity
Maximum network speed5 Gbit/s + 2.5 Gbit/s
Wi-Fi standardWi-Fi 802.11 be
Bluetooth support5.4
Ports & slots
PCIe 5.0 x16 slotsIntel Core Ultra Processors (Series 2)*
1 x PCIe 5.0 x16 slot (supports x16 or x8/x4/x4 modes)**
** When M.2_3 or M.2_4 is enabled, PCIEX16(G5) will run x8 only.
PCIe 4.0 x16 slotsIntel Z890 Chipset
1 x PCIe 4.0 x16 slot (supports x4 mode)
PCIe x4 slots1 x PCIe 4.0 x1 slot
Power
Power connectors1 × 24-pin Main Power connector
2 × 8-pin +12 V CPU Power connectors
1 × 8-pin PCIe Power connector
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Compatibility
Windows 11 support(22H2 & later)
More details
BIOS256 Mb Flash ROM, UEFI AMI BIOS

Other versions of this model

5 more in the same range

Questions about this item

How do I verify the ASUS AI Overclocking and AI Cooling II features are active after I build the system?

Enter the UEFI and confirm AI Overclocking shows a predicted frequency for the Core Ultra 7 265K, then check that AI Cooling II has calibrated fan curves for the 22+2+1+2 power-stage VRM and chassis headers.

What comes in the combo box and which essential parts must I purchase separately?

The package includes the ROG MAXIMUS Z890 HERO motherboard and the Core Ultra 7 265K processor only; you must add DDR5 memory modules, an M.2 SSD, a graphics card, a CPU cooler, a power supply, and a case.

Which DDR5 speed should I choose for the four 288-pin slots that support up to 256 GB?

Pick a kit rated for the board's validated 9200+ MT/s XMP profile if you want maximum bandwidth, or any lower-speed DDR5 kit that fits your budget and capacity needs.

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