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ATX motherboard, black and silver finish, large VRM heatsinks, integrated rear I/O shield

GIGABYTE

GIGABYTE X870E AORUS MASTER X3D open-box AMD motherboard

SKU CH-TAEY-S95KF MPN X870E AORUS MASTER X3D

Open-box ATX board for AM5 Ryzen 9000/8000/7000 CPUs with 18+2+2 power phases, five M.2 slots, USB4, WIFI7 and 10GbE LAN

  • CPU Socket TypeAM5
  • ChipsetAMD X870E
  • South BridgeAMD x870E
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardDDR5 4800
  • Maximum Memory Supported256GB
  • Supports Ryzen 9000, 8000 and 7000 series processors on AM5 socket
  • Digital Twin 18+2+2 power phase design with 8-layer PCB for steady delivery
  • Five M.2 slots supporting PCIe 5.0 x4 and PCIe 4.0 x4/x2 storage
  • WIFI 7 with directional ultra-high gain antenna plus 10 GbE and 5 GbE LAN
  • PCIe EZ-Latch Plus Duo, M.2 EZ-Latch Click and Plus for screwless DIY assembly

Socket AM5 X870E platform

This ATX motherboard targets AMD Ryzen 9000, 8000 and 7000 series processors on the AM5 socket. It is built for enthusiasts who need strong power delivery and extensive high-speed storage options in a full-size board.

18+2+2 digital twin power phase

The 18+2+2 phase digital twin design with premium chokes and capacitors on an 8-layer PCB delivers steady power for high-core-count CPUs. This specification determines whether the board can sustain heavy all-core workloads without throttling.

Builders wanting five M.2 slots

Suits DIY builders who need five M.2 sockets supporting PCIe 5.0 and 4.0, USB4 Type-C, WIFI 7 and Bluetooth 5.4 in one package. Users requiring more than two SATA ports or legacy PCI slots should consider alternative boards.

Highlights

  • Supports Ryzen 9000, 8000 and 7000 series processors on AM5 socket
  • Digital Twin 18+2+2 power phase design with 8-layer PCB for steady delivery
  • Five M.2 slots supporting PCIe 5.0 x4 and PCIe 4.0 x4/x2 storage
  • WIFI 7 with directional ultra-high gain antenna plus 10 GbE and 5 GbE LAN
  • PCIe EZ-Latch Plus Duo, M.2 EZ-Latch Click and Plus for screwless DIY assembly

Specifications

BrandGIGABYTE
SeriesAORUS
CPU Socket TypeAM5
ChipsetAMD X870E
South BridgeAMD x870E
Number of Memory Slots4x288pin (DDR5)
Memory StandardDDR5 4800
Maximum Memory Supported256GB
Channel SupportedDual Channel
Memory Performance ProfileAMD EXPO / Intel XMP
ECC SupportedNon-ECC
Buffer SupportedUn-buffered
PCI Express 5.0 x161 x PCI Express 5.0 x16
PCI Express 4.0 x161 x PCI Express 4.0 x16
PCI Express x163 x PCI Express x16
PCI Express x41 x PCI Express x4
Serial ATA (SATA)2 x SATA 6Gb/s
M.25 x M.2 (Support PCIe 5.0 x4 & PCIe 4.0 x4/x2)
SATA RAID0/1
Onboard Video ChipsetAMD Radeon Graphics
Audio ChipsetRealtek ALC1220
Audio Channels5.1 Channels
LAN ChipsetRealtek 5GbE, Realtek 10GbE
Second LAN ChipsetRealtek 10GbE LAN chip
Max LAN Speed10Gbps + 5Gbps
Wireless LANWiFi IEEE 802.11 a / b / g / ac / ax / be
BluetoothYes
Back I/O Ports1 x Q-Flash Plus button, 1 x Clear CMOS button, 1 x reset button, 1 x power button, 1 x HDMI, 2 x USB4 Type-C, 1 x USB Type-C (USB 3.2 Gen 2), 1 x USB Type-C (USB 3.2 Gen 2x2), 7 x USB 3.2 Gen 2 Type-A, 2 x RJ-45, 2 x antenna connectors, 2 x audio jacks, 1 x optical S/PDIF Out
Video PortsHDMI + 2 x USB Type-C
S-VideoNo
HDMI1 x HDMI port
RJ452 x RJ45
DisplayPort2 x DisplayPort
USB 3.111 x USB 3.1
USB 3.08 x USB 3.0
USB 1.1/2.04 x USB 2.0/1.1 ports
USB Type-C2 x USB4 USB Type-C® ports
1 x USB Type-C® port, with USB 3.2 Gen 2 support
1 x USB Type-C® port, with USB 3.2 Gen 2x2 support
1 x USB Type-C® port with USB 3.2 Gen 2x2 support, available through the internal USB header (Supports up to 65W PD 3.0/QC 4+ fast charging)
S/PDIF Out1 x Optical
Audio Ports3 Ports
Onboard USB1 x USB Type-C® header, with USB 3.2 Gen 2x2 + 2 x USB 3.2 + 2 x USB 2.0
Form FactorATX
LED LightingRGB
Dimensions (W x L)30.5cm x 24.4cm
Power Pin24 Pin
Windows 11Supported
Shipping weight3.81 kg
Package size343 × 312 × 94 mm

Questions about this item

What does the 18+2+2 power phase design mean for a Ryzen 9000 series CPU in daily use?

The 18+2+2 digital twin power phases deliver stable current to the CPU socket, helping maintain boost clocks on Ryzen 9000 series processors under sustained loads.

How does the PCIe 5.0 x16 slot limit graphics card bandwidth compared to the PCIe 4.0 x16 slot?

The single PCIe 5.0 x16 slot provides up to twice the theoretical bandwidth of the PCIe 4.0 x16 slot for compatible GPUs.

What clearance does the ATX form factor and integrated I/O shield need in a standard case?

The board follows the ATX layout with an integrated I/O shield, so it fits any case that supports standard ATX motherboards.

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