ASRock Z390 Steel Legend


ASRock Inc. is established in 2002, specialized in the field of motherboards. ASRock strives to build up its own brand. With the 3C design concept, “Creativity, Consideration, Cost-effectiveness”, the company explores the limit of motherboards manufacturing while paying attention on the eco issue at the same time, developing products with the consideration of eco-friendly concept.

Official product link:


Packaging and accessories

The motherboard is packaged in a cardboard box with the standard dimensions. The design of the box is characteristic of the Steel Legend series of products, using a gunmetal grey brushed texture on all sides of the packaging. The front side of the box is simple and has as the center piece the name of the motherboard alongside the Steel Legend logo. On the lower side there are printed some of the main features of the board above an RGB strip.


The back of the packaging features a top down photo of the motherboard and the I/O panel with all the connectors labeled. Lower the full technical specifications of the board are listed next to the main features of the motherboard.


The sides of the box serve mainly as aesthetic elements, with little technical information printed. The name of the motherboard and the ASRock logo are located at the center, with two Intel logos placed on the left side.



The product comes with the following accessories:
– 1x User Manual
– 1x Quick Installation Guide,
– 1x Support CD
– 1x I/O Shield
– 2x SATA 6 Gb/s cables
– 3x M.2 mounting screws
– 2x M.2 standoff
– 1x ASRock sticker





MODEL: Z390 Steel Legend
CPU SUPPORT: 9th and 8th Gen Intel® Core™ Processors
SOCKET: 1151
CHIPSET: Intel Z390
– CPU: 6 Power Phase design
– Memory: 2 Power Phase design
FORM FACTOR: ATX 30.5 cm x 24.4 cm
– DDR4 4266+(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3200(OC) / 2933(OC) / 2800(OC) / 2666 / 2400 / 2133 non-ECC, un-buffered memory.
– Max. capacity of system memory: 128GB
BIOS: 128Mb AMI UEFI Legal BIOS with GUI support
Expansion Slots:
– 2x PCI Express 3.0 x16 Slots (PCIE1/PCIE4: single at x16 (PCIE1); dual at x16 (PCIE1) / x4 (PCIE4)
– 3x PCI Express 3.0 x1 Slots
– 6x SATA3 6.0 Gb/s Connectors, support RAID ((RAID 0, RAID 1, RAID 5, RAID 10), NCQ, AHCI and Hot Plug
– 2x Ultra M.2 Socket (M2_1), supports M Key type 2230/2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32 Gb/s)
– 1x 10 Gigabit LAN 10/100/1000 Mb/s
– 1x Giga PHY Intel® I219V
– 1x Antenna Bracket
– 1x PS/2 Mouse/Keyboard Port
– 1x HDMI Port
– 1x DisplayPort 1.2
– 1x Optical SPDIF Out Port
– 2x USB 2.0 Ports (Supports ESD Protection)
– 1x USB 3.2 Gen2 Type-A Port (10 Gb/s) (ReDriver) (Supports ESD Protection)
– 1x USB 3.2 Gen2 Type-C Port (10 Gb/s) (ReDriver) (Supports ESD Protection)
– 2x USB 3.2 Gen1 Ports (Intel® Z390) (Supports ESD Protection)
– 1x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
– HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)
AUDIO: 7.1 CH HD Audio with Content Protection (Realtek ALC1220 Audio Codec)


– XXL Aluminum Alloy Heatsink
– Premium 60A Power Choke
– Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors)
– High Density Glass Fabric PCB
– ASRock USB 3.2 Gen2
– ASRock Steel Slot
– ASRock Full Coverage M.2 Heatsink
– ASRock Ultra M.2 (PCIe Gen3 x4 & SATA3)
– ASRock Full Spike Protection (for all USB, Audio, LAN Ports)

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