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ATX Intel motherboard, black PCB with silver heatsinks, four DDR4 slots, PCIe x16 and x1 slots, M.2 socket, four SATA ports

ASUS

ASUS Prime Z390-P LGA 1151 Intel Motherboard

SKU CH-GEQR-75HMC

ATX motherboard for 8th and 9th generation Intel Core processors with dual-channel DDR4 up to 64 GB, one full-length PCIe 3.0 x16 slot, four SATA 6.0 Gb/s ports and an M.2 socket supporting 2242.

  • ProcessorCore i7 / i5 / i3 / Pentium / Celeron (LGA1151)
  • ChipsetIntel Z390
  • Form factorATX
  • CPU socketLGA 1151 (300 Series)
  • CPU technologiesSupports Intel Turbo Boost Technology 2.0* The Intel Turbo B
  • Memory slot count4 × 288pin (DDR4)
  • Supports 9th and 8th Gen Intel Core CPUs for broad processor choice
  • Four DDR4 slots handle up to 64 GB for large memory capacity
  • Realtek ALC887 codec delivers 8-channel HD audio for immersive sound
  • Two M.2 sockets accept 2242, 2260 and 2280 drives for flexible storage options
  • 5X Protection III hardware safeguards shield components for long-term reliability

Prime Z390-P for 8th and 9th Generation Intel Core

This ATX motherboard uses the Intel Z390 chipset and an LGA 1151 socket to support Core i7, i5, i3, Pentium and Celeron processors. Four DDR4 slots accept up to 64 GB of memory with speeds ranging from 2133 to 4266 MHz when overclocked. The board targets builders who want a mainstream platform with current connectivity.

Build quality and daily connectivity

The 5X Protection III suite adds SafeSlot Core reinforcement on the primary PCIe 3.0 x16 slot, LANGuard for the Realtek RTL8111H network controller and overvoltage protection across the PCB. Four SATA 6.0 Gb/s ports handle traditional drives while a single M.2 Socket 3 accepts 2242, 2260 or 2280 devices in SATA or PCIe 3.0 x2 mode. Four PCIe 3.0 x1 slots and an M.2 Key E slot for a CNVi Wi-Fi module complete the expansion options.

Bundled software and accessories

FanXpert 4 software provides automatic fan tuning and includes a dedicated AIO pump header for liquid-cooling control. The Realtek ALC887 codec drives 8-channel HD audio through the rear panel and front-panel header. ASUS OptiMem II topology improves trace routing for better DRAM overclocking stability, while Intel Optane memory readiness allows caching of a mechanical drive when a compatible module is installed.

How it compares

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

Price $88.99
Cheaper than about 56% of the 2,965 comparable items (median $97.99).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameASUS
Model namePrime Z390-P
Processor
ProcessorCore i7 / i5 / i3 / Pentium / Celeron (LGA1151)
CPU socketLGA 1151 (300 Series)
ChipsetIntel Z390
CPU technologiesSupports Intel Turbo Boost Technology 2.0* The Intel Turbo Boost Technology 2.0 support depends on the CPU types.
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3733(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3400(O.C.)/ 3333(O.C.)/ 3300(O.C.)/ 3200(O.C.)/ 3000(O.C.)/ 2800(O.C.)/ 2666/ 2400/ 2133* The maximum memory frequency supported varies by processor** Refer to www.asus.com for the Memory QVL (Qualified Vendors List)
Max supported RAM64 GB
Memory channelsDual Channel
Storage
SATA ports4 x SATA 6.0Gb/s ports (gray)
M.2 slots1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x4 mode)*1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x2 mode)* When a device in SATA mode is installed on the M.2_1 socket, SATA_2 port cannot be used.
Optane memory supportYes
SATA and RAID support0/1/5/10
Audio & video
Audio chipRealtek ALC887
Sound channels8 Channels* Choose the chassis with HD audio module in front panel to support 8-channel audio output.
Connectivity
Ethernet controllerRealtek RTL8111H
Maximum network speed1 Gbit/s
Ports & slots
PCIe 3.0 x16 slots1 x PCIe 3.0/2.0 x16 (x16 or x8+x4+x4)1 x PCIe 3.0/2.0 x16 (max at x4 mode) * For 3 SSD on CPU support, install a Hyper M.2 X16 card (sold separately) into the PCIeX16_1 slot, enable this card under BIOS settings.
PCIe x1 slots4 x PCI Express 3.0/2.0 x1 slots
Additional slots1 x M.2 Socket (Key E), supports type 2230 Wi-Fi/BT and Intel CNVi (Integrated Wi-Fi/BT) module** The Wi-Fi/BT module is purchased separately
Rear panel ports1 x PS/2 keyboard (purple)1 x PS/2 mouse (green)1 x DisplayPort1 x HDMI1 x LAN (RJ45) port(s)2 x USB 3.1 Gen 2 Type-A4 x USB 3.1 Gen 1 Type-A3 × 8-channel Audio I/O
Power
Power connectors1 × 24-pin EATX Power connector1 × 8-pin EATX 12 V Power connector
Size & build
Form factorATX
Width and length12.0 in × 9.2 in
In the box
In the boxAccessories:User's manualI/O Shield2 x SATA 6Gb/s cable(s)2 x M.2 Screw Package1 x SCD

Questions about this item

What PCI Express 3.0 x16 link widths does the Prime Z390-P support?

The board provides one x16 slot that runs at x16 or splits to x8+x4+x4, and a second x16 slot limited to x4 mode.

What clearance does the ATX form factor and SafeSlot Core require in the chassis?

Standard ATX dimensions apply; the fortified SafeSlot Core needs a case with enough rear-bracket depth for heavyweight graphics cards.

How is the M.2 storage drive installed and what step is often missed?

Insert the 2242, 2260 or 2280 drive into the M-key socket at a 30° angle, secure with the standoff screw, and enable PCIe 3.0 x4 or SATA mode in BIOS.

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