ASUS
ASUS ROG STRIX B850-A GAMING WIFI S Motherboard & AMD Ryzen 9 9900X CPU Combo
Pairs an AM5 board with 16+2 70A power stages, PCIe 5.0 x16 and dual M.2 slots, WiFi 6E and 2.5G LAN with a 12-core 24-thread Ryzen 9 9900X reaching 5.6 GHz boost
- CPU Socket TypeAM5
- ChipsetAMD B850
Motherboard ROG STRIX B850-A GAMING WIFI S
- ROG STRIX B850-A GAMING WIFI S
- ROG STRIX B850-G Gaming WiFi S
- ROG STRIX B850-I GAMING WIFI
- ROG STRIX B850-F GAMING WIFI
- ROG STRIX B850-E GAMING WIFI
- TUF GAMING B850M-PLUS WIFI
- TUF GAMING B850M-PLUS
- TUF GAMING B850M-E WIFI
- TUF GAMING B850 - PLUS WIFI
- TUF GAMING B850-E WIFI
- TUF GAMING B850-BTF WIFI W
- PRIME B850M-K
ดูตัวเลือกเพิ่มอีก 3 แบบ
CPU + Ryzen 9 9900X
- Stable overclocking headroom from 16+2 power stages rated at 70A each
- Next-gen storage speed via one PCIe 5.0 x16 slot and dual M.2 slots
- Sustained performance under load through VRM heatsinks with stacked fins and M.2 heatshields
- Fast wired and wireless networking with 2.5G LAN plus WiFi 6E
- 12 cores and 24 threads on Zen 5 architecture reaching 5.6 GHz max boost
AM5 Platform Ready for Ryzen 9000 Series
This combo pairs an ASUS ROG STRIX B850-A GAMING WIFI S motherboard with a 12-core AMD Ryzen 9 9900X processor. The board supports Ryzen 7000, 8000 and 9000 series CPUs on the AM5 socket. The CPU delivers 24 threads, a 5.6 GHz max boost and 64 MB L3 cache for demanding workloads and high-frame-rate gaming.
Straightforward Install with Clear Steps
The motherboard uses a 16+2 power stage design rated at 70A with alloy chokes and durable capacitors. DDR5 memory slots accept 5600 MT/s modules. One PCIe 5.0 x16 SafeSlot and two M.2 slots (one PCIe 5.0 x4, one PCIe 4.0 x4) are keyed to prevent misalignment. Rear I/O includes WiFi 6E, 2.5G LAN, USB 3.2 Gen 2x2 Type-C at 20 Gbps and a USB4 header. Common issues: forgetting to update BIOS for the 9000 series CPU, seating the CPU without the cooler installed, and leaving the M.2 heatshield screws loose.
Sustained Load Stability Through Robust Cooling
VRM heatsinks with stacked fins and M.2 heatshields with thermal pads dissipate heat during extended sessions. Multiple hybrid fan headers including AIO pump support allow flexible cooling curves. The 70A power stages maintain stable voltage under continuous all-core loads. DDR5-5600 operation remains consistent without throttling. PCIe 5.0 graphics and storage bandwidth hold steady during prolonged rendering or compilation tasks.
จุดเด่น
- Stable overclocking headroom from 16+2 power stages rated at 70A each
- Next-gen storage speed via one PCIe 5.0 x16 slot and dual M.2 slots
- Sustained performance under load through VRM heatsinks with stacked fins and M.2 heatshields
- Fast wired and wireless networking with 2.5G LAN plus WiFi 6E
- 12 cores and 24 threads on Zen 5 architecture reaching 5.6 GHz max boost
ข้อมูลจำเพาะ
| Brand | ASUS |
|---|---|
| Model | ROG STRIX B850-A GAMING WIFI S Motherboard + Ryzen 9 9900X |
| CPU Socket Type | AM5 |
| Chipset | AMD B850 |
รุ่นอื่นในตระกูลเดียวกัน
อีก 5 รุ่นในตระกูลเดียวกัน
ตระกูลเดียวกัน แต่หน่วยความจำ คูลเลอร์ หรือสัญญาณนาฬิกาต่างกัน — เปรียบเทียบก่อนตัดสินใจ
ASUS TUF GAMING B850-E WIFI + Ryzen 7 9800X3D AMD motherboard combo
- AM5
ASUS TUF GAMING B850-BTF WIFI W AMD motherboard with Ryzen 7 9800X3D CPU
- AM5
ASUS PRIME B850-PLUS WIFI + Ryzen 7 9800X3D AMD motherboard combo
- AM5
ASUS TUF GAMING B850-PLUS WIFI & Ryzen 7 9800X3D AMD motherboard
- DDR5
- 192GB
คำถามเกี่ยวกับสินค้านี้
How do I verify the 16+2 power stages are delivering clean voltage to the Ryzen 9 9900X after assembly?
Enter the UEFI and monitor the Vcore and VRM temperature readings under load; stable voltages and temperatures within specification confirm the 70A power stages are operating correctly.
What components are included in the combo box and which essential parts must be purchased separately?
The box contains the ROG STRIX B850-A GAMING WIFI S motherboard and the Ryzen 9 9900X processor; you must buy DDR5 memory, a CPU cooler, storage drives, a power supply, a case and a graphics card separately.
Which DDR5 speed should I select to match the Ryzen 9 9900X specifications?
Choose DDR5-5600 modules, as the processor officially supports that data rate and the motherboard is optimised for it.
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