Product Comparison: ASRock Z390 Phantom Gaming-ITX/AC vs ASUS ROG Strix Z390-I Gaming
General Specifications
                Brand
                                
                                            ASRock                                        
                                        
                                            ASUS                                        
                                    Model
                                
                                            Z390 Phantom Gaming-ITX/AC                                        
                                        
                                            ROG Strix Z390-I Gaming                                        
                                    Origin
                                
                                            China                                        
                                        
                                            China                                        
                                    About the Product
                                
                                            Seriously high quality Mini-ITX motherboard packing an 8 layer PCB, a good amount of cooling for a board of its size. This little board packs a 5-phase VRM which in itself isn’t that impressive.                                        
                                        
                                            Fully command your gaming experience on 9th generation Intel Core processors with the ROG Strix Z390-I Gaming featuring 5-Way Optimization for dynamic system control with AI overclocking.                                        
                                    Key Specs
                Form Factor
                                
                                            Mini-ITX                                        
                                        
                                            Mini-ITX                                        
                                    Socket
                                
                                            LGA1151                                        
                                        
                                            LGA1151                                        
                                    Chipset
                                
                                            Intel Z390                                        
                                        
                                            Intel Z390                                        
                                    Supported Processors
                                
                                            Supports 9th and 8th Gen Intel Core                                        
                                        
                                            Supports 9th / 8th Gen Intel Core / Pentium Gold / Celeron                                        
                                    Memory Slot Type
                                
                                            288 pin                                        
                                        
                                            288 pin                                        
                                    
                            What customers say about "Key Specs"
                        
                               ASRock Z390 Phantom Gaming-ITX/AC Motherboard
                                       - I bought this as I have always wanted to do a mini-ITX build.
- The build quality is superb. Good for my case. Easy install.
- Installation was easy into my box. Perfect board for my build.
- I'm a big fan of ASRock motherboards. This ITX board is loaded with great built-in peripherals.
- Everything seems to be working quite well. Fits my box well. I like it.
ASUS ROG Strix Z390-I Gaming Motherboard
                                       - Decent overclocks with my 9700K.
- I love this compact form factor.
- Perfectly fits new Intel processors.
- This board has an excellent list of supported processors.
- Superior form factor coupled with socket.
Size & Weight
                Height
                                
                                            6.7 in.                                        
                                        
                                            6.7 in.                                        
                                    Width
                                
                                            6.7 in.                                        
                                        
                                            6.7 in.                                        
                                    Depth
                                
                                            1 in.                                        
                                        
                                            1 in.                                        
                                    Weight
                                
                                            2.2 lbs.                                        
                                        
                                            2.23 lbs.                                        
                                    Memory
                Memory Type
                                
                                            DDR4                                        
                                        
                                            DDR4                                        
                                    Maximum Speed
                                
                                            4500 MHz                                        
                                        
                                            4500 MHz                                        
                                    Number Of Memory Slots
                                
                                            2                                        
                                        
                                            2                                        
                                    Max. Memory Supported
                                
                                            64 GB                                        
                                        
                                            64 GB                                        
                                    
                            What customers say about "Memory"
                        
                               ASRock Z390 Phantom Gaming-ITX/AC Motherboard
                                       - Amazing little power-pack with good memory support.
- My DDR4 memory works well with this motherboard.
- Wonderful board. Works good with my DDR4 memory.
- Great support of memory. I like this board.
- So far so good. Great box with support DDR4 memory.
ASUS ROG Strix Z390-I Gaming Motherboard
                                       - Ports are working fine, both ram slots worked good.
- Beautiful design and came insanely quick! Works great with DDR4 memory.
- I have been using it for 2 years and not a single memory error.
- Works great with two memory slots.
- Doesn't want to work with 64GB of memory, an error constantly pops up.
Connectivity
                PCI
                                
                                            1                                        
                                        
                                            1                                        
                                    PCI-E
                                
                                            PCIe 3.0 x16                                        
                                        
                                            PCIe 3.0 x16                                        
                                    HDMI
                                
                                            1                                        
                                        
                                            1                                        
                                    USB
                                
                                            2x USB 2.0, 4x USB 3.1 Gen1, 4x USB 3.1 Gen2                                        
                                        
                                            3x USB 3.1 Gen2, 4x USB 3.1 Gen1, USB Type-C, 4x USB 2.0                                        
                                    SATA
                                
                                            4                                        
                                        
                                            4                                        
                                    Other Interfaces
                                
                                            M.2, 2x Ultra M.2, 2x Antenna Ports, PS/2, DisplayPоrt, Optical S/PDIF out, RJ-45, 6x audio jacks                                        
                                        
                                            DisplayPоrt, RJ-45, Optical S/PDIF out, 5x audio jacks, 2x M.2                                        
                                    
                            What customers say about "Connectivity"
                        
                               ASRock Z390 Phantom Gaming-ITX/AC Motherboard
                                       - Love the M.2 slots, and build quality is fantastic.
- USB 3.0 ports provide at least 450MB/s read and write performance.
- Everything just worked right from the first boot. Durable ports here!
- Nice board with a lot of good ports.
- Stable ports. All works well on this board.
ASUS ROG Strix Z390-I Gaming Motherboard
                                       - The quality is excellent like the ports provided.
- Nice selection of ports and headers.
- Highly recommend. An excellent motherboard with the right ports.
- I'm surprised that such a small motherboard can accommodate so many ports.
Features
                Native Audio
                                
                                            Realtek ALC1220                                        
                                        
                                            Realtek S1220A                                        
                                    Additional Accessories Included
                                
                                            Support CD, I/O Shield, 2x SATA cables, WiFi antenna, 2x M.2 Screw                                        
                                        
                                            M.2 2242 mounting kit, 4x SATA cables, 2x M.2 Screw, Driver disk, ASUS 2T2R dual band Wi-Fi moving antennas, 10-in-1 ROG cable label                                        
                                    Extras
                                
                                            ASRock Super Alloy, Premium 60A Power Choke, Matte Black PCB, High Density Glass Fabric PCB, ASRock Steel Slots, ASRock Full Spike Protection, ASRock Live Update & APP Shop                                        
                                        
                                            OC Design - ASUS PRO Clock Technology, 5-Way Optimization by Dual Intelligent Processors 5, ASUS TPU, Gamer's Guardian, ASUS Optimem II, Aura lighting control, AI Suite 3, Ai Charger, ASUS EZ DIY, ASUS Q-Design, Digi+VRM                                        
                                    
                            What customers say about "Features"
                        
                               ASRock Z390 Phantom Gaming-ITX/AC Motherboard
                                       - Great performance, and features. I like it.
- Has the great feature set. Would recommend.
- The BIOS UI is easy to navigate and offers a ton of features.
- Super small with tons of features!
- The RGB lighting is pretty neat feature with lots of color options.
ASUS ROG Strix Z390-I Gaming Motherboard
                                       - Build Quality is fantastic, unboxing presentation is great.
- Really liked that it has WiFi and Bluetooth.
- Decent quality like most higher-end Asus boards.
- VRM heatsink is integrated into the backplane cover and is massive.
- UEFI has no options whatsoever to power the system on via keyboard keypress or press of a mouse button.
Power
                Power Connectors
                                
                                            24-pin ATX, 8-pin 12V                                        
                                        
                                            24-pin EATX, 8-pin ATX 12V                                        
                                    Warranty / Certifications
                Manufacturer Warranty
                                
                                            1 year(s)                                        
                                        
                                            1 year(s)                                        
                                    Certifications
                                
                                            CE, FCC                                        
                                        
                                            CE, FCC                                        
                                    Other Information
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