ASRock

ASRock Motherboard (Z390M PRO4)

Name: ASRock Motherboard (Z390M PRO4)
Brand: ASRock
SKU: B07HYR7CKR

Status: ASRock Motherboard: Unavailable on Amazon as of 2026-10-03 16:20 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

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Bottom line: The ASRock Motherboard: Runs both 9th and 8th Gen Intel Core CPUs on LGA1151 via the Z390 chipset; main trade-off: second x16 slot drops to x4 bandwidth, so dual-GPU scaling is uneven.

Unavailable on Amazon as of 2026-10-03 16:20 UTC

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-03

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ Runs both 9th and 8th Gen Intel Core CPUs on LGA1151 via the Z390 chipset
✓ Four DDR4 DIMM slots, dual channel, up to 64GB - rare on a microATX board
✓ Two PCIe 3.0 x16 slots support AMD Quad CrossFireX dual-GPU setups
✓ Onboard M.2 plus SATA3 and USB 3.1 covers modern NVMe and fast peripherals

Cons

✗ Second x16 slot drops to x4 bandwidth, so dual-GPU scaling is uneven
✗ Z390 and LGA1151 are end-of-line - no upgrade path past 9th Gen Intel
✗ 64GB memory ceiling is limiting for heavy VM or large-model workloads
✗ MicroATX layout means fewer expansion slots than a full ATX Z390 board

Manufacturer description

ASRock Z390M PRO4 LGA1151/ Intel Z390/ DDR4/ Quad CrossFireX/ SATA3&USB3.1/ M.2/ A&GbE/ MicroATX Motherboard

SpecPicks Verdict

SpecPicks scored ASRock Motherboard using a rating × review-volume × price-fit model applied to published specs and reviews across the motherboards category. ASRock's motherboards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for motherboards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

LGA1151 Supports 9th and 8th Generation Intel Core Processors
Chipset: Intel Z390
Memory: 4x DDR4 DIMM Slots, Dual Channel, Non-ECC, Unbuffered, Max Capacity of 64GB
Slots: 2x PCI-Express 3.0 x16 Slots (run single at x16 or dual at x16/x4), 2x PCI-Express 3.0 x1 Slots (Flexible PCIe)
Multi-Graphics: Supports AMD Quad CrossFireX, CrossFireX Technology

Full Specifications

Brand	ASRock
Slots	2x PCI-Express 3.0 x16 Slots (run single at x16 or dual at x16/x4), 2x PCI-Express 3.0 x1 Slots (Flexible PCIe)
Memory	4x DDR4 DIMM Slots, Dual Channel, Non-ECC, Unbuffered, Max Capacity of 64GB
Chipset	Intel Z390
USB 2.0	2
Platform	Windows 10
CPU Model	Core i9
CPU Socket	LGA 1151
Model Name	Z390M PRO4
Chipset Type	Intel Z390
Model Number	Z390M PRO4
Built-In Media	Motherboard
Item Type Name	Motherboard
Multi-Graphics	Supports AMD Quad CrossFireX, CrossFireX Technology
Mfr Part Number	Z390M PRO4
Number of Items	1
Number of Ports	14
Total Usb Ports	8
Processor Socket	LGA 1151
Total PCIe Ports	4

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