ASRock Z390 Phantom Gaming 7 Motherboard Preview

ASRock Z390 Phantom Gaming 7 Motherboard Preview

We take a quick look at the ASRock Z390 Phantom Gaming 7, check it out!

@StevenBassiriTT
Published Fri, May 17 2019 10:00 AM CDT   |   Updated Tue, Sep 24 2019 12:29 AM CDT

Introduction, Specifications, and Pricing

ASRock Z390 Phantom Gaming 7 Motherboard Preview 01 | TweakTown.com
VIEW GALLERY - 32 IMAGES

Today we look at the Z390 Phantom Gaming 7, which was actually under NDA until just recently. While we are unsure of why this motherboard was under NDA, it does have a healthy feature set, ASRock's first integrated IO shield, and it's the first motherboard that uses USB-IF's new USB 3.2 renaming scheme. Let's see what this motherboard has in store for us today.

Specifications

The Z390 Phantom Gaming 7 features two M.2 slots, 2.5G LAN, Intel LAN, USB 3.2 (USB 3.0 and USB 3.1), and SATA6Gb/s.

Pricing

The Z390 Phantom Gaming 7 cost is currently unknown, but probably cheaper than the Phantom Gaming 9.

Packaging and Z390 Phantom Gaming 7 Overview

Packaging and Overview

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The box has the same design as the other Z390 Phantom Gaming motherboards, and the packaging is well done.

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The accessory package includes four SATA6Gb/s cables, SLI HB bridge, M.2 screws, Post Card, Driver DVD, manual, and a case badge.

ASRock Z390 Phantom Gaming 7 Motherboard Preview 06 | TweakTown.comASRock Z390 Phantom Gaming 7 Motherboard Preview 07 | TweakTown.com

There are five fan headers on this motherboard. The one circled in red is a 1A PWM header for the CPU cooler fan. The other four headers circled in blue are capable of up to 2A of current and can operate as DC or PWM mode fans. The motherboards color theme includes both the silkscreen on the PCB and the colors on the heat sinks. The rear of the motherboard has some chips, but it's pretty barren otherwise.

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The rear IO panel features PS/2 Keyboard and Mouse, four USB 3.0 (5Gb/s) ports, a USB 3.1 (10Gb/s, labeled USB 3.2) type-A port, a USB 3.1 (10Gb/s, labeled USB 3.2) type-C port, DisplayPort, HDMI, 2.5G LAN, two 1G LAN, and gold plated 7.1 audio outputs with S/PDIF.

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The PCI-E layout is as follows, x16/x0/x4 or x8/x8/x4. Both M.2 slots operate at x4 PCI-E, and it looks as if they share bandwidth with some of the SATA ports. Both M.2 slots have heat sinks, but the heat sink on the top one can be a bit tough to get off since it has a thermal pad that kind of glues it to the PCH heat sink. It's possible to separate it from the PCH heat sink, but it requires some pressure. There is also a WIFI M.2 card slot.

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There are eight SATA6Gb/s ports, two of which come from an ASMedia controller while the rest are from the PCH. There are two USB 3.0 internal headers and a USB 3.0 type-C header.

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At the top right of the motherboard, we find a power button and a reset button. In the bottom right corner of the motherboard, we find our front panel headers, a TPM header, and two USB 2.0 internal headers.

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We also find an addressable RGB LED header near two RGB LED headers, a Thunderbolt GPIO header, and our HD audio header. The motherboard offers one 8-pin power header and one optional 4-pin power header for CPU power.

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The motherboard's heat sinks are all screwed into the motherboard. The motherboard is also the first ASRock motherboard with an integrated IO shield.

ASRock Z390 Phantom Gaming 7 Circuit Analysis

Circuit Analysis

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The Z390 Phantom Gaming 7 shows us the goods with the heat sinks removed!

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It looks like ASRock has embraced the DrMOS trend of these mid to high-end Z390 motherboards. The CPU VCore is eight phases doubled by four ISL6617 doublers, the iGPU is two phases, and the VCCIO and VCCSA are single phases. The PWM controller is a digital PWM from Intersil, the ISL69138 in a 4+2 phase configuration. The power stages are Vishay DrMOS SiC632A for the iGPU phases and DrMOS SiC634 for the CPU VCore, and both are rated 50A.

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The VCCSA and VCCIO are controlled by APW8720 integrated PWM/driver chips and control smaller MOSFETs from ON Semiconductor. The memory VRM is two phases using the same PWM and double the number of power stage components as the VCCIO or VCCSA phases.

ASRock Z390 Phantom Gaming 7 Circuit Analysis Continued

Z390 Phantom Gaming 7 Circuit Analysis Continued

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The audio solution consists of a Realtek ALC1220 rated up to 120dB with integrated amplifier going to the rear IO panel, an added NE5532 for front audio amplification, and Gold series audio capacitors.

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We find Realtek's 2.5Gbit Gaming LAN controller on the back of the motherboard, RTL8125. The Intel i219V is the GBit Intel chip for the 1Gbit LAN port.

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The rear USB 3.1 (10Gb/s, called USB 3.2 on rear IO panel) are re-driven by the Pericom PI3EQX, and the type-C port on the rear gets an ASMedia ASM1543 type-C switch chip. The internal USB 3.0 type-C header gets its own ASM1543 type-C switch chip.

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An ASMedia ASM1074 is used as a USB 3.0 hub to produce two USB 3.0 internal headers. The ASMedia ASM1061 provides two SATA6Gb/s ports.

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The Nuvoton NCT6791D is used as the SuperIO controller. The Nuvoton N76E885AT is the microcontroller used to control the RGB LEDs.

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A Hyper BCLK chip is used to allow for better BCLK overclocking. The motherboard has two 128Mbit (16MB) BIOS ROM chips for redundancy.

Steven went from a fledgling forum reader in 2003 to one of the internet's brightest tech stars by 2010. Armed with an information systems degree, a deep understanding of circuitry, and a passion for tech, Steven (handle Sin0822) enjoys sharing his deep knowledge with others. Steven details products down to the component level to highlight seldom explained, and often misunderstood architectures. Steven is also a highly decorated overclocker with several world records.

We openly invite the companies who provide us with review samples / who are mentioned or discussed to express their opinion. If any company representative wishes to respond, we will publish the response here. Please contact us if you wish to respond.

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