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ATX motherboard with grey heatsinks and steel-reinforced PCIe slot

ASRock

ASRock Z590 STEEL LEGEND Intel Motherboard

SKU CH-RFTN-19K3B

LGA 1200 ATX board with Intel Z590 chipset supports 10th and 11th Gen Intel Core processors, 128 GB DDR4, PCIe 4.0 M.2, 2.5 Gb LAN and 7.1 audio

  • CPU Socket TypeLGA 1200
  • CPU TypeSupports 10th Gen Intel Core Processors Supports 11th Gen In
  • Supported CPU TechnologiesTurbo Boost Technology 3.0
  • ChipsetIntel Z590
  • Number of Memory Slots4x288pin (DDR4)
  • Memory Standard11th Gen Intel Core Processors support DDR4 non-ECC, un-buff
  • Supports 10th and 11th Gen Intel Core CPUs on LGA 1200 socket
  • 14-phase Digi Power design delivers stable power for unlocked K-series processors
  • Four DDR4 slots accept up to 128 GB memory at 4800 MHz with 11th Gen
  • Hyper M.2 socket runs at PCIe 4.0 x4 for 64 Gb/s throughput with 11th Gen CPUs
  • 5 Gigabit LAN and 7.1-channel Realtek ALC897 audio for fast networking and surround sound

LGA 1200 Z590 ATX motherboard for Intel Core

This ASRock Z590 STEEL LEGEND board fits LGA 1200 processors from the 10th and 11th generations. It uses the Intel Z590 chipset and a 14 phase power design to support unlocked K-series CPUs. The ATX form factor provides four DDR4 slots, three PCI Express 3.0 x1 slots and six SATA 6Gb/s ports for storage expansion.

CPU generation decides PCI Express 4.0

With an 11th Gen Core i9, i7 or i5 installed the top PCI Express x16 slot runs at Gen4x16 and the Hyper M.2 socket reaches Gen4x4 64 Gb/s, while DDR4 can reach 4800+(OC) and 3200 native. A 10th Gen Core i9 or i7 limits the primary slot to Gen3x16, caps the M.2 at Gen3x4 and restricts DDR4 to 4666+(OC) with 2933 native; Core i5, i3, Pentium or Celeron drop native DDR4 further to 2666.

Standard ATX install with POST checker and full

The board mounts with regular ATX standoffs and uses a 24-pin plus 8-pin CPU power layout. A Full Coverage M.2 heatsink covers the primary slot so the drive stays cool without extra parts. The POST Status Checker displays two-digit codes for quick troubleshooting, and Full Spike Protection guards USB, audio and LAN ports against surges.

Highlights

  • Supports 10th and 11th Gen Intel Core CPUs on LGA 1200 socket
  • 14-phase Digi Power design delivers stable power for unlocked K-series processors
  • Four DDR4 slots accept up to 128 GB memory at 4800 MHz with 11th Gen
  • Hyper M.2 socket runs at PCIe 4.0 x4 for 64 Gb/s throughput with 11th Gen CPUs
  • 5 Gigabit LAN and 7.1-channel Realtek ALC897 audio for fast networking and surround sound

Specifications

BrandASRock
ModelZ590 STEEL LEGEND
CPU Socket TypeLGA 1200
CPU TypeSupports 10th Gen Intel Core Processors
Supports 11th Gen Intel Core Processors
Supported CPU TechnologiesTurbo Boost Technology 3.0
ChipsetIntel Z590
Number of Memory Slots4x288pin (DDR4)
Memory Standard11th Gen Intel Core Processors support DDR4 non-ECC, un-buffered memory up to 4800+(OC)*
10th Gen Intel Core Processors support DDR4 non-ECC, un-buffered memory up to 4666+(OC)*
* 11th Gen Intel Core (i9/i7/i5) support DDR4 up to 3200; Core (i3), Pentium and Celeron support DDR4 up to 2666.
* 10th Gen Intel Core (i9/i7) support DDR4 up to 2933; Core (i5/i3), Pentium and Celeron support DDR4 up to 2666.
* Please refer to Memory Support List on ASRock's website for more information. (http://www.asrock.com/)
Maximum Memory Supported128GB
Channel SupportedDual Channel
PCI Express 4.0 x1611th Gen Intel Core Processors: 2 x PCI Express x16 Slots (PCIE1/PCIE3: single at Gen4x16 (PCIE1); dual at Gen4x16 (PCIE1) / Gen3x4 (PCIE3))*
10th Gen Intel Core Processors: 2 x PCI Express x16 Slots (PCIE1/PCIE3: single at Gen3x16 (PCIE1); dual at Gen3x16 (PCIE1) / Gen3x4 (PCIE3))*
* Supports NVMe SSD as boot disks
PCI Express 3.0 x161 x PCI Express 3.0 x16
PCI Express x13 x PCI Express 3.0 x1
Serial ATA (SATA)6 x SATA 6Gb/s
M.21 x Hyper M.2 Socket (M2_1), supports M Key type 2260/2280 M.2 PCI Express module up to Gen4x4 (64 Gb/s) (Only supported with 11th Gen Intel Core Processors)**
1 x Ultra M.2 Socket (M2_2), supports M Key type 2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s)**
1 x Ultra M.2 Socket (M2_3), supports M Key type 2260/2280/22110 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s)**
** Supports Intel Optane Technology
** Supports NVMe SSD as boot disks
** Supports ASRock U.2 Kit
SATA RAID0/1/5/10, Intel Rapid Storage Technology 18
Audio ChipsetRealtek ALC897
Audio Channels7.1 Channels
LAN ChipsetDragon RTL8125BG
Max LAN Speed2.5 Gigabit LAN 10/100/1000/2500 Mb/s
Back I/O Ports2 x Antenna Mounting Points
1 x PS/2 Mouse/Keyboard Port
1 x HDMI Port
1 x DisplayPort 1.4
1 x Optical SPDIF Out Port
1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (ReDriver) (Supports ESD Protection)
1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (ReDriver) (Supports ESD Protection)
2 x USB 3.2 Gen1 Ports (Supports ESD Protection)
* Ultra USB Power is supported on USB3_12 ports.
* ACPI wake-up function is not supported on USB3_12 ports.
2 x USB 2.0 Ports (Supports ESD Protection)
1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Fron
Other Connectors1 x SPI TPM Header
1 x Power LED and Speaker Header
2 x RGB LED Headers
* Support in total up to 12V/3A, 36W LED Strip
2 x Addressable LED Headers
* Support in total up to 5V/3A, 15W LED Strip
1 x CPU Fan Connector (4-pin)
* The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)
* The CPU/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power.
5 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)
* The Chassis/Water Pump Fan supports the water cooler fan of maxi
Windows 11Supported
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
FeaturesASRock USB 3.2 Gen2
- ASRock Front Panel Type C USB 3.2 Gen2x2 Header (20 Gb/s)
- ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s)
- ASRock USB 3.2 Gen2 Type-C Port (10 Gb/s)
ASRock Super Alloy
- XXL Aluminum Alloy Heatsink
- Premium Power Choke
- 50A Dr.MOS
- Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors)
- I/O Armor
- Matte Black PCB
- High Density Glass Fabric PCB
- 2oz Copper PCB
2.5G LAN
ASRock Steel Slot
ASRock Full Coverage M.2 Heatsink
ASRock Hyper M.2 (PCIe Gen4x4)
ASRock Ultra USB Power
ASRock POST Status Checker (PSC)
ASRock Full Spike Protec
Package ContentsQuick Installation Guide, Support CD
2 x SATA Data Cables
4 x Screws for M.2 Sockets
2 x Standoffs for M.2 Sockets
1 x Graphics Card Holder

Questions about this item

Will this board run an 11th Gen Core i5 at its full PCIe 4.0 speed for both the graphics card and the primary M.2 drive?

Yes — with an 11th Gen processor the top x16 slot and the Hyper M.2 socket both operate at Gen4 speeds.

What is the highest DDR4 frequency I can expect with a 10th Gen Core i7 installed?

The memory controller on 10th Gen Core i7 officially supports up to 2933 MT/s; higher speeds require overclocking.

Does the rear I/O include a 2.5 Gb Ethernet port?

Yes, the Dragon RTL8125BG controller provides a single 2.5 Gb LAN connection.

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