ASUS Prime Z390-P Motherboard

ASUS Prime Z390-P

Brand
ASUS
Model
Prime Z390-P
UPC
192876128497
$133–$147estimated range · from catalog price Sep 3, 2026

ASUS Prime Z390‑P: high‑end Z390 ATX for 8th/9th‑gen Intel with CPU/DDR4 OC, PCIe 3.0, single NVMe slot—ideal for K‑series Coffee Lake builds.

TierHigh end?GixCore tierWhat a part was built to do — not what it costs.EntryBudgetMainstreamHigh endEnthusiastFlagship A part can be cheap because it is an ageing flagship, or because it is a current entry-level model. The tier tells you which.
ReleasedOct 2018
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SocketFCLGA1151
ChipsetZ390
MemoryDDR4
Max RAM speed4266 MT/s
Form factorATX
RAM slots4
M.2 slots1
PCIe x161
GixCore Editorial

Product overview

Released on October 8, 2018, the ASUS Prime Z390-P belongs to Intel’s Z390/Coffee Lake Refresh platform for 8th‑ and 9th‑gen LGA1151 CPUs.Sourceasus.com

Positioned as a high_end Z‑series ATX board, it exists to bring CPU and memory overclocking and the core Z390 feature set to cost‑conscious builds. It supports PCIe 3.0 expansion, DDR4 with four slots up to 128 GB and 4266 MT/s (OC), a single NVMe M.2 slot, and USB 3.1 Gen2 on the rear I/O. Best for overclocking K‑series Coffee Lake chips, running high‑speed memory, and straightforward first‑time ATX builds. Notable: the BIOS includes an “Above 4G Decoding” toggle useful for multi‑GPU mining or PCIe passthrough labs.Sourceintel.com

Best for
  • overclocking
  • high-speed memory
  • first-time builders

Specifications

At a glance iEach dot represents a catalog model. Farther right means a higher measured value, not necessarily a better fit.Measured against the motherboards catalog
Current modelCatalog models
Max RAM speed4266 MT/s
Higher than 16% of motherboards
RAM slots4
Higher than 93% of motherboards
M.2 slots1
Higher than 19% of motherboards
Socket
FCLGA1151
Memory
DDR4
WiFi
Yes
Integrated Graphics
Yes
USB
3.1
Max Memory Size
128 GB
ECC Support
No
Chipset
Z390
Max RAM speed
4266 MT/s
Form factor
ATX
RAM slots
4
M.2 slots
1
PCIe x16
1
Processor Generation
8, 9
Pci E
3.0
M 2
SATA/PCI-E
Sata Slots
4
Sata Speed
6Gb/s
Pci E Slots
1
Tdp
40 W
Nvme
Yes
Pci E X1
4
Cpu Brand
Intel
Pairing fit

Compatible CPUs

Compatible options ranked for this part's performance class.

Budget pairings6 lower-tier compatible options
Pairing fit

Compatible RAM kits

Compatible options ranked for this part's performance class.

Budget pairings6 lower-tier compatible options
Pairing fit

Compatible Cases

Compatible options ranked for this part's performance class.

Budget pairings6 lower-tier compatible options
Pairing fit

Compatible Power supplies

Compatible options ranked for this part's performance class.

Budget pairings6 lower-tier compatible options