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ATX motherboard with black PCB, grey heatsinks, silver PCIe slot and rear I/O shield

ASRock

ASRock Z390 Phantom Gaming 4S Intel motherboard

SKU CH-6PS4-ZGC5F MPN Z390

ATX motherboard with Intel LGA 1151 socket, Z390 chipset and DDR4 memory up to 128GB

  • CPU Socket TypeLGA 1151
  • CPU TypeCore i7 / i5 / i3 / Pentium / Celeron (LGA1151)
  • ChipsetZ390
  • Memory StandardDDR4
  • Maximum Memory Supported128GB
  • PCI Express 3.0 x161x PCI Express 3.0 x16
  • Supports up to 128GB DDR4 memory capacity
  • Z390 chipset enables 9th and 8th Gen Intel Core processors
  • Single M.2 slot provides high-speed storage expansion
  • ATX form factor fits standard desktop chassis
  • PCI Express 3.0 x16 slot accommodates modern graphics cards

Socket and chipset

The ASRock Z390 Phantom Gaming 4S is an ATX motherboard built around the Intel Z390 chipset and LGA 1151 socket. It accepts Core i7, i5, i3, Pentium and Celeron processors that use this socket. The board provides four DDR4 memory slots with support up to 128 GB. A single PCI Express 3.0 x16 slot and one legacy PCI slot handle expansion cards. One M.2 socket is available for storage.

Included accessories

The package contains the motherboard and an I/O shield only. No driver disc, user manual, SLI bridge or additional cables are supplied. SATA cables, M.2 mounting hardware and a Wi-Fi antenna are not included with this unit. Buyers must source those items separately before assembly.

Who this suits

This board suits builders replacing a failed Z390 motherboard or assembling a system with an existing LGA 1151 processor. It is not suited for anyone needing multiple M.2 drives, additional PCIe x16 slots or integrated Wi-Fi. Buyers who require a newer socket or chipset should look elsewhere.

Highlights

  • Supports up to 128GB DDR4 memory capacity
  • Z390 chipset enables 9th and 8th Gen Intel Core processors
  • Single M.2 slot provides high-speed storage expansion
  • ATX form factor fits standard desktop chassis
  • PCI Express 3.0 x16 slot accommodates modern graphics cards

Specifications

BrandASRock
ModelZ390 PHANTOM GAMING 4S
CPU Socket TypeLGA 1151
CPU TypeCore i7 / i5 / i3 / Pentium / Celeron (LGA1151)
ChipsetZ390
Memory StandardDDR4
Maximum Memory Supported128GB
PCI Express 3.0 x161x PCI Express 3.0 x16
PCI Express x161
PCI Slots1 x PCI Slot
M.21 x M.2
RJ451 x RJ45
USB 3.11 x USB 3.1
Form FactorATX

Questions about this item

Will the board's single M.2 slot need an upgrade later?

The motherboard provides one M.2 slot for storage; adding a second drive requires a PCIe adapter card in the x16 or PCI slot.

What limits sustained loads first on the Z390 chipset?

The Z390 chipset handles I/O and PCIe 3.0 lanes; heavy multi-device traffic saturates its upstream link before the CPU becomes the bottleneck.

How loud and hot does the board run during all-day use?

Passive heatsinks cool the VRM and chipset; noise depends on case fans, and temperatures stay within normal ATX limits with standard airflow.

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