ASRock
ASRock B365M PRO4 LGA1151/ Intel B365/ DDR4/ Quad CrossFireX/ SATA3&USB3.1/ M.2/ A&GbE/ MicroATX Motherboard
Bottom line: The ASRock B365M PRO4 LGA1151/ Intel B365/ DDR4/ Quad CrossFireX/: Runs both 9th and 8th Gen Intel Core LGA1151 chips, up to 95W TDP; main trade-off: LGA1151 is a dead-end socket - no upgrade path past 9th Gen.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ Runs both 9th and 8th Gen Intel Core LGA1151 chips, up to 95W TDP
- ✓ Four DDR4 DIMM slots, dual channel, 64GB max capacity
- ✓ Two PCIe 3.0 x16 slots, x16 single or x16/x4 dual
- ✓ Onboard M.2 plus SATA3 and USB 3.1 skip add-in cards
Cons
- ✗ LGA1151 is a dead-end socket - no upgrade path past 9th Gen
- ✗ DDR4-2666 memory ceiling, no faster validated speeds listed
- ✗ B365 chipset does not support CPU overclocking
- ✗ Second x16 slot drops to x4 bandwidth in dual-GPU mode
Manufacturer description
The ASRock B365M PRO4 is a MicroATX board built for LGA1151 builds running 9th or 8th Generation Intel Core processors up to 95W, which makes it a practical foundation for a Coffee Lake revival rig or a period-correct Windows 10 workstation. The Intel B365 chipset pairs with four DDR4 DIMM slots running at 2666, 2400, or 2133 speeds in dual channel, non-ECC and unbuffered, topping out at 64GB - enough headroom to keep an older platform useful for editing, emulation, or a home lab node. Expansion is generous for the form factor: two PCI Express 3.0 x16 slots that run a single card at x16 or…
SpecPicks Verdict
SpecPicks scored ASRock B365M PRO4 LGA1151/ Intel B365/ DDR4/ Quad CrossFireX/… using a rating × review-volume × price-fit model applied to published specs and reviews across the retro motherboards category. ASRock's retro 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 retro 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.
Frequently Asked Questions
Which CPUs work with the ASRock B365M PRO4?
It uses the LGA1151 socket and supports 9th and 8th Generation Intel Core processors with a TDP up to 95W. Confirm the exact SKU against ASRock's CPU support list before buying.
How much RAM can this motherboard hold?
Four DDR4 DIMM slots supporting DDR4-2666, 2400, and 2133 in dual channel, non-ECC and unbuffered, with a maximum capacity of 64GB.
Can I run two graphics cards on the B365M PRO4?
Yes. It has two PCIe 3.0 x16 slots and supports AMD Quad CrossFireX and CrossFireX. A single card runs at full x16; with two cards the slots run x16 and x4.
Does it have an M.2 slot for NVMe storage?
Yes, the board includes onboard M.2 alongside SATA3 ports and USB 3.1 connectivity. Check the product listing for the specific M.2 key type and supported lengths.
What operating system does this board support?
ASRock lists Microsoft Windows 10 64-bit as the supported operating system for the B365M PRO4.
Key Features
- CPU: LGA1151, Supports 9th/ 8th Generation Intel Core Processors, CPU up to 95W
- Chipset: Intel B365
- Memory: 4x DDR4-2666/ 2400/ 2133 DIMM Slots, Dual Channel, Non-ECC, Unbuffered, Max Capacity of 64GB
- Slots: 2x PCI-Express 3.0 x16 Slots (single at x16; dual at x16/ x4), 1x PCI Express 3.0 x1 Slot (Flexible PCIe)
- Multi-Graphics: Supports AMD Quad CrossFireX and CrossFireX Technology
Full Specifications
| CPU | LGA1151, Supports 9th/ 8th Generation Intel Core Processors, CPU up to 95W |
|---|---|
| Brand | ASRock |
| Slots | 2x PCI-Express 3.0 x16 Slots (single at x16; dual at x16/ x4), 1x PCI Express 3.0 x1 Slot (Flexible PCIe) |
| Memory | 4x DDR4-2666/ 2400/ 2133 DIMM Slots, Dual Channel, Non-ECC, Unbuffered, Max Capacity of 64GB |
| Chipset | Intel B365 |
| USB 2.0 | 2 |
| Platform | Windows |
| CPU Model | Core i5 |
| CPU Socket | LGA 1151 |
| Model Name | B365M PRO4 |
| Chipset Type | Intel B365 |
| Model Number | B365M PRO4 |
| Built-In Media | - Quick Installation Guide, Support CD, I/O Shield - 2 x SATA Data Cables - 3 x Screws for M.2 Sockets - 1 x Standoff for M.2 Socket |
| Multi-Graphics | Supports AMD Quad CrossFireX and CrossFireX Technology |
| Mfr Part Number | B365M PRO4 |
| Number of Items | 1 |
| Number of Ports | 23 |
| Total Usb Ports | 9 |
| Processor Socket | LGA 1151 |
| Total PCIe Ports | 3 |
Ready to buy?
ASRock B365M PRO4 LGA1151/ Intel B365/ DDR4/ Quad CrossFireX/ SATA3&USB3.1/ M.2/ A&GbE/ MicroATX Motherboard is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
Related Retro Motherboards
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- Best Retro Handhelds in 2026 — From $35 to $500
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- How to Build a Windows 98 Retro PC in 2026
- Best 1440p Gaming GPUs in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
More reviews from the SpecPicks archive
Browse all reviews →- Best Controller for PC AAA Gaming in 2026
- Best CPU Cooler for the Ryzen 7 5800X: Air vs 240mm AIO
- Homelab Changes You Wish You'd Made Sooner
- Ollama on the RTX 3060 12GB: Model Sizes and tok/s for 2026
- Sound BlasterX G6 on a Retro PC: Bringing Modern DAC Quality to Pentium III and Athlon XP Builds
- RetroArch PS3 Emulation: What Actually Works in 2026
- Best Budget Gaming CPU in 2026: 5 AM4 and Entry Picks Ranked
- Raspberry Pi AI HAT+ 2: 40 TOPS Hailo-10H Specs and Verdict
- Raspberry Pi 500 Plus: The Real Lineup vs. the Rumors
- Best 4K Monitor Under $400 for Console & PC Gaming 2026: SANSUI vs KOORUI vs ASUS TUF
- Govee vs DAYBETTER vs KSIPZE: Best LED Strip for Desk and Monitor Bias Lighting
- Can the Ryzen 5 5600G Game at 1080p Without a Graphics Card in 2026?
- RTX 5090 AIO Cooler: Liquid Cooling Options in 2026
- Best Wireless Streaming Microphones for Twitch in 2026
- Best AMD Ryzen 5000 CPU for Gaming in 2026: 5 Picks
- Kimi K3 Just Launched: What You Can (and Can't) Run Locally Instead
- Best Streaming Microphone for Twitch in 2026
- Building multi-agent AI orchestrators — LangGraph, DSPy, n8n, and picking the right one
- NVIDIA H200 vs B200 for LLM Inference: What Changes in 2026
- What Handheld Console Should I Buy in 2026? A Decision Framework
- Best Streaming Gear for PC Gamers in 2026
- Local 13B LLM Inference on a $700 Used Build: Ryzen 7 3700X + RTX 3060 12GB Benchmarked
- NVMe vs SATA SSD for Local LLMs: Does Disk Speed Matter?
- Best SATA SSD in 2026: Crucial BX500 vs Samsung 870 EVO vs WD Blue vs SanDisk
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090