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ATX motherboard with silver heatsinks and black PCB, Ryzen 9 9900X3D CPU in AM5 socket

ASUS

ASUS ROG STRIX X870E-H GAMING WIFI7 AMD motherboard & Ryzen 9 9900X3D CPU combo

SKU CH-5WRA-AM8HB

An AMD AM5 motherboard with 16+2+1 80A power stages and four M.2 slots paired with a 12-core Ryzen 9 9900X3D CPU featuring 128MB L3 cache

  • CPU Socket TypeAM5
  • ChipsetAMD X870E
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardSupports up to 8000+MT/s(OC) with Ryzen
  • Maximum Memory Supported256GB
  • Channel SupportedDual Channel

model ROG STRIX X870E-H GAMING WIFI7

+CPU +R9 9900X3D

  • Ready for demanding AI workloads with high power and connectivity
  • 16+2+1 power stages rated at 80A each for stable multi-core performance
  • Two PCIe 5.0 and two PCIe 4.0 M.2 slots with substantial cooling
  • On-board WiFi 7 and Realtek 5Gb Ethernet for high-speed networking
  • Ryzen 9 9900X3D with 128MB L3 cache and AMD Radeon graphics

Combo platform for AI workloads

The bundle pairs an AMD Ryzen 9 9900X3D processor with the ROG STRIX X870E-H GAMING WIFI7 motherboard on the AM5 socket. The CPU delivers 12 cores built on TSMC 4nm FinFET Granite Ridge Zen 5 architecture with a 120W TDP and 128MB L3 cache. The board adds 16+2+1 power stages rated for 80A each, dual ProCool II 8-pin connectors and WiFi 7 802.11be networking. Together they target advanced AI PCs and high-end gaming builds.

Upgrade path from older AM5 CPUs

The motherboard supports Ryzen 9000, 8000 and 7000 series desktop processors, so the combo replaces any earlier AM5 chip without a motherboard swap. Moving from a 7000 or 8000 series CPU to the 9900X3D adds the larger 128MB L3 cache and the newer Zen 5 core design. The jump is worth it when workloads benefit from extra cache and the board's 8000+ MT/s DDR5 OC headroom, plus PCIe 5.0 graphics and storage lanes that earlier chips limited to PCIe 4.0.

Practical limits of the X870E platform

The chipset provides one PCIe 5.0 x16 slot and two PCIe 5.0 M.2 slots directly from the CPU, while the second full-size slot and two more M.2 sockets run at PCIe 4.0 speeds. Rear I/O tops out at 5Gbps Ethernet, two USB4 40Gbps Type-C ports and WiFi 7 802.11be. Memory caps at 256GB across four 288-pin DDR5 slots in dual-channel mode with non-ECC support only. These ceilings define the expansion and throughput boundaries for the build.

Points forts

  • Ready for demanding AI workloads with high power and connectivity
  • 16+2+1 power stages rated at 80A each for stable multi-core performance
  • Two PCIe 5.0 and two PCIe 4.0 M.2 slots with substantial cooling
  • On-board WiFi 7 and Realtek 5Gb Ethernet for high-speed networking
  • Ryzen 9 9900X3D with 128MB L3 cache and AMD Radeon graphics

Caractéristiques

BrandASUS
ModelROG STRIX X870E-H GAMING WIFI7+R9 9900X3D
CPU Socket TypeAM5
ChipsetAMD X870E
Number of Memory Slots4x288pin (DDR5)
Memory StandardSupports up to 8000+MT/s(OC) with Ryzen
Maximum Memory Supported256GB
Channel SupportedDual Channel
ECC SupportedNon-ECC
PCI Express 5.0 x16AMD Ryzen 9000 & 7000 Series Desktop Processors
1 x PCIe 5.0 x16 slot (supports x16 mode)
AMD Ryzen 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x8/x4 mode)
AMD X870E Chipset
1 x PCIe 4.0 x16 slot (supports x4 mode)
SATA RAIDAMD RAIDXpert2 Technology
Ryzen 9000 Series Processors: RAID 0/1/5/10
Ryzen 8000 Series Processors: RAID 0/1
Ryzen 7000 Series Processors: RAID 0/1/10
Audio Channels7.1 Channels
Max LAN Speed5Gbps
Back I/O Ports2 x USB4 (40Gbps) ports(2 x USB Type-C)
4 x USB 10Gbps ports (3 x Type-A + 1 x USB Type-C with up to 30W PD/PPS Fast-charge)
6 x USB 5Gbps ports (6 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x HDMI port
1 x Wi-Fi module
1 x Realtek 5Gb Ethernet
2 x Audio jacks
1 x Optical S/PDIF out port
1 x BIOS FlashBack button
1 x Clear CMOS button
Onboard USB1 x USB 20Gbps connector (supports USB Type-C)
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Other ConnectorsFan and Cooling Related
1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
1 x 4-pin AIO Pump header
5 x 4-pin Chassis Fan headers
Miscellaneous
3 x Addressable RGB Gen 2 headers
1 x Chassis Intrusion header
1 x CPU Over voltage jumper
1 x Front Panel Audio header (F_AUDIO)
1 x Start button
1 x 10-1 pin Front Panel System header
1 x Thermal Sensor header
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24-pin Main Power connector
2 x 8-pin +12V CPU Power connector
BIOS Feature256 Mb Flash ROM, UEFI AMI BIOS
SoftwareROG Exclusive Software
- ROG CPU-Z
- Dolby Atmos
ASUS Exclusive Software
Armoury Crate
- Aura Creator
- Aura Sync
- Fan Xpert 4 (with AI Cooling II)
- GameFirst
ASUS AI Advisor
ASUS DriverHub
- AIDA64 Extreme (60 days free trial)
- HWiNFO
ASUS GlideX
USB Wattage Watcher
TurboV Core
Adobe Creative Cloud (Free Trial)**
Norton 360 for Gamers (60 Days Free Trial)
WinRAR (40 Days Free Trial)
UEFI BIOS
AI Overclocking Guide
AI Cache Boost
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
- ASUS MyHotkey
FlexKey
Windows 11Supported
FeaturesExtreme Engine Digi+
- 5K Black metallic capacitors
ASUS Q-Design
- M.2 Q-Latch
- M.2 Q-Release
- PCIe Slot Q-Release
- Q-Antenna
- Q-Dashboard
- Q-DIMM
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink
- VRM heatsink design
ASUS EZ DIY
- BIOS FlashBack button
- BIOS FlashBack LED
- Clear CMOS button
- ProCool II
- Pre-mounted I/O shield
- SafeSlot
- SafeDIMM
Aura Sync
-Addressable RGB Gen 2 headers
Package Contents1 x AMD Ryzen 9 9900X3D CPU
1 x Shin-Etsu X-23-7868-2D (1.8g)
Cables
2 x SATA 6Gb/s cables
Miscellaneous
1 x ASUS WiFi Q-Antenna
1 x Cable ties package
1 x M.2 Q-Latch package
1 x ROG key chain
1 x ROG Strix stickers
4 x M.2 rubber
Documentation
1 x Quick start guide

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Questions sur cet article

What size case and power connectors does the ATX board with 12.0" x 9.6" dimensions require?

The board fits any ATX case measuring at least 12.0 by 9.6 inches and needs one 24-pin main power connector plus two 8-pin +12V CPU power connectors.

Which CPU power cables must be seated before first boot on the 16+2+1 phase VRM?

Both 8-pin +12V CPU power connectors labelled ProCool II must be fully inserted; the board will not post if only one is connected.

When should the thermal pads on the two PCIe 5.0 and two PCIe 4.0 M.2 heatsinks be inspected or replaced?

Check the pads whenever an M.2 drive is removed or after several years of heavy write workloads; replace if they appear compressed or dried out.

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