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ASUS Z170-A ATX motherboard, black PCB with silver heatsinks and blue accents, LGA 1151 socket, four DDR4 slots, multiple PCIe slots

ASUS

ASUS Z170-A LGA 1151 Intel Z170 ATX Motherboard

SKU CH-136F-4EWGC

ATX motherboard for LGA 1151 CPUs with DDR4 memory up to 3400 MHz, USB 3.1 Type-C, M.2 storage and Intel LAN

  • ProcessorCore i7 / i5 / i3 / Pentium / Celeron (LGA1151)
  • ChipsetIntel Z170
  • Form factorATX
  • CPU socketLGA 1151
  • Onboard video chipIntegrated Graphics Processor - Intel HD Graphics supportMul
  • Memory slot count4 × 288pin (DDR4)
  • Supports 6th and 7th generation Intel Core processors via LGA 1151 socket
  • Four DDR4 slots accept up to 64GB of memory running at 2133 to 3400 MHz
  • Two PCI Express 3.0 x16 slots run at x16 or x8/x8 for multi-GPU configurations
  • M.2 Socket 3 with M Key fits 2242 to 22110 drives in both SATA and PCIe modes
  • Realtek ALC892 8-channel audio with Intel I219-V LAN and Turbo LAN software

Z170-A LGA 1151 ATX motherboard

The ASUS Z170-A is an ATX board built around the Intel Z170 chipset for LGA 1151 processors including Core i7, i5, i3, Pentium and Celeron. It provides four DDR4 slots supporting speeds up to 3400 MHz and a maximum of 64 GB in dual-channel mode. Integrated graphics are routed through DisplayPort 1.2, HDMI 1.4b, DVI-D and VGA outputs.

Build integration and expansion

Two PCI Express 3.0 x16 slots run at x16 or x8/x8, a third x16 slot operates at x4 and shares bandwidth with SATA ports, while three x1 slots and one legacy PCI slot handle add-in cards. Six SATA 6.0 Gb/s ports and one SATA Express connector provide drive connectivity, and a single M.2 Socket 3 with M key accepts 2242, 2260, 2280 or 22110 modules in SATA or PCIe mode.

Bundled features and protection

5-Way Optimization automates system tuning, while Pro Clock Technology isolates the base clock for finer overclocking control. Crystal Sound 2 uses the Realtek ALC892 codec for 8-channel audio, and Intel I219-V LAN with Turbo LAN software prioritises network traffic. A reversible USB 3.1 Type-C port and 5X Protection II hardware safeguards complete the package.

How it compares

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

Price $63.99
Cheaper than about 74% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameASUS
Model nameZ170-A
Processor
ProcessorCore i7 / i5 / i3 / Pentium / Celeron (LGA1151)
CPU socketLGA 1151
ChipsetIntel Z170
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4 3400*(*O.C.)/ 3333*/ 3200*/ 3100*/ 3000*/ 2933*/ 2800*/ 2666*/ 2600*/ 2400*/ 2133
Max supported RAM64 GB
Memory channelsDual Channel
Storage
SATA ports6 x SATA 6.0 Gb/s ports (gray, 2 from SATA Express)
SATA and RAID support0/1/5/10
Audio & video
Audio chipRealtek ALC892
Sound channels8 Channels
Connectivity
Ethernet controllerIntel I219-V
Maximum network speed1 Gbit/s
Ports & slots
PCIe x1 slots3 x PCI Express 3.0/2.0 x1 slots
PCI slots1 x PCI Slot
PS/2 ports1 x PS/2 keyboard/mouse port
Video connectors1 x DVI-D
HDMI ports1 x HDMI
Ethernet port1 x RJ45
DisplayPort connectors1 x DisplayPort
USB 3.1 ports1 x USB 3.1/3.0/2.0 ports (teal blue, Type A)1 x USB 3.1/3.0/2.0 ports (Type C)
USB 3.0 ports2 x USB 3.0/2.0 ports (blue)
USB 2.0 ports2 x USB 2.0 ports
S/PDIF output1 x Optical
Audio jacks8-channel Audio I/O ports
Onboard USB headers2 x USB 3.0/2.0 connectors support additional 4 USB ports (19-pin)2 x USB 2.0/1/1 connectors support additional 4 USB ports
Power
Power connectors24 Pin
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
More details
SATA express1 x SATA Express port (compatible with 2 x SATA 6.0 Gb/s ports)

Questions about this item

How much DDR4 memory can the board address before the limit is reached?

The board supports up to 64 GB of DDR4 across its four 288-pin slots, so the memory ceiling is 64 GB.

What thermal or acoustic load appears when the system runs continuously?

The board uses passive heatsinks and no onboard fans, so sustained operation adds no extra noise; heat output follows the installed CPU and VRM load.

Which CPU cooler mounting pattern must the cooler already match?

The socket is LGA 1151, so the cooler must use the standard LGA 1151 mounting pattern.

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