ASUS ROG STRIX X870E-E GAMING WIFI + Ryzen 9 9950X3D AMD motherboard & CPU combo
- AMD X870E
- 4x288pin (DDR5)
ASUS
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
model ROG STRIX X870E-H GAMING WIFI7
+CPU +R9 9900X3D
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.
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.
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.
| Brand | ASUS |
|---|---|
| Model | ROG STRIX X870E-H GAMING WIFI7+R9 9900X3D |
| CPU Socket Type | AM5 |
| Chipset | AMD X870E |
| Number of Memory Slots | 4x288pin (DDR5) |
| Memory Standard | Supports up to 8000+MT/s(OC) with Ryzen |
| Maximum Memory Supported | 256GB |
| Channel Supported | Dual Channel |
| ECC Supported | Non-ECC |
| PCI Express 5.0 x16 | AMD 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 RAID | AMD 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 Channels | 7.1 Channels |
| Max LAN Speed | 5Gbps |
| Back I/O Ports | 2 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 USB | 1 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 Connectors | Fan 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 Factor | ATX |
| Dimensions (W x L) | 12.0" x 9.6" |
| Power Pin | 1 x 24-pin Main Power connector 2 x 8-pin +12V CPU Power connector |
| BIOS Feature | 256 Mb Flash ROM, UEFI AMI BIOS |
| Software | ROG 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 11 | Supported |
| Features | Extreme 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 Contents | 1 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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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.
Both 8-pin +12V CPU power connectors labelled ProCool II must be fully inserted; the board will not post if only one is connected.
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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