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ASRock

ASRock Z370 Killer SLI/ac Intel motherboard

SKU CH-M39R-0P8ER

ATX Intel Z370 board supporting 8th Gen Core CPUs with DDR4 up to 4266 MHz, dual Ultra M.2, 7.1 audio, Intel Gigabit LAN and 802.11ac Wi-Fi

  • Supports 8th Gen Intel Core processors on LGA 1151 socket
  • 10-phase digital PWM design delivers stable CPU power
  • DDR4 memory overclocking up to 4266 MHz for high-speed performance
  • 1-channel HD audio with Realtek ALC892 and Nichicon capacitors
  • Dual Ultra M.2 slots plus six SATA3 ports for flexible storage

Socket 1151 Z370 Board

This ASRock Z370 Killer SLI/ac motherboard accepts 8th Generation Intel Core processors on the LGA 1151 socket. It is aimed at enthusiasts building a high-performance desktop around that specific platform. The 10-phase digital PWM design feeds the CPU for stable overclocking headroom. Builders needing support for newer or older Intel generations cannot use this board.

DDR4 OC Limits And Connectivity

Memory can be pushed to DDR4 4266+(OC) with validated steps at 4133, 4000, 3866 and 3800 MT/s. Expansion includes two PCIe 3.0 x16 slots, four PCIe 3.0 x1 slots and one M.2 Key E slot for wireless. Storage offers six SATA3 ports and two Ultra M.2 sockets running PCIe Gen3 x4 or SATA3. Rear I/O supplies nine USB 3.1 Gen1 ports including one Type-C, plus HDMI and DVI-D video outputs.

Standard ATX Install With Wireless Antennas

The ATX form factor fits standard chassis mounting points and uses common 24-pin and 8-pin power connectors. Integrated Intel Gigabit LAN and Intel 802.11ac WiFi with BT 4.2 require the supplied external antennas for best signal. Audio uses a Realtek ALC892 codec with Nichicon Fine Gold caps and 7.1-channel output. RGB LED headers are present for lighting control.

How it compares

Measured against everything we stock in Motherboards for Intel CPUs, at today’s prices. Recalculated every night.

Price $80.99
Cheaper than about 61% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameASRock

Questions about this item

Should I choose the 4266+(OC) DDR4 speed or a lower JEDEC speed for daily use?

The board lists DDR4 4266+(OC) as the top overclocked speed; lower validated steps include 4133(OC), 4000(OC), 3866(OC) and 3800, so pick the highest kit your CPU and cooling can sustain stably.

What does the 10 power phase design mean when the system is under load?

The 10 digital PWM phases spread CPU current across more components, reducing per-phase heat and improving voltage stability during heavy workloads.

How does the PCIe 3.0 interface limit the two Ultra M.2 slots in practice?

Each Ultra M.2 slot runs at PCIe Gen3 x4, capping sequential throughput to the bandwidth of a four-lane PCIe 3.0 connection.

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