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White extended ATX motherboard with silver heatsinks and two DDR5 slots

GIGABYTE

GIGABYTE X870 A TACHYON ICE AMD motherboard

SKU CH-Y804-9BMA0 MPN X870 A TACHYON ICE

Extended ATX AM5 board with 18+2+2 phase VRM, dual DDR5 slots to 128 GB, PCIe 5.0 x16, four SATA ports, one CPU-linked M.2 slot, 5 GbE LAN and Wi-Fi 802.11 be

  • ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD X870
  • Form factorExtended ATX
  • CPU socketAM5
  • Memory slot count2 × 288pin (DDR5)
  • Supported memorySupport for DDR5 9600(OC)/ 9200(OC)/ 8800(OC)/ 8600(OC)/ 840
  • Supports Ryzen 7000, 8000 and 9000 series CPUs on AM5 socket
  • DDR5 memory overclocked up to 9600 MT/s via EXPO and XMP 3.0
  • 128 GB maximum capacity across two dual-channel slots
  • Digital twin 18+2+2 phase VRM delivers clean power for extreme overclocking
  • Screwless EZ-Latch M.2 heatsinks and PCIe quick-release simplify hardware installation

X870 Tachyon Ice AM5 Motherboard

This extended ATX board targets extreme overclockers and enthusiasts who push Ryzen 7000, 8000 and 9000 series CPUs to their limits. A digital twin 18+2+2 phase VRM and an onboard overclocking kit provide the headroom for sustained high frequency operation.

Check AM5 CPU Cooler Clearance and PSU Connectors

Verify your AM5 cooler mounting pattern fits the board layout and that your power supply delivers enough 8 pin EPS connectors for the 18+2+2 phase design. Only two DDR5 slots exist, so populate both with a matched kit to reach dual channel 128 GB maximum.

Upgrade From X870 Boards Lacking 5Gbps LAN

Move up when you need 5Gbps wired networking, Wi-Fi 802.11 be and a CPU attached PCIe 5.0 M.2 slot supporting 22110 and 25110 drives. The jump is worth it if your workload demands DDR5 speeds beyond 8000 MT/s and RAID 5 on NVMe with Ryzen 9000 series.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $377.99
Pricier than about 61% of the 1,906 comparable items (median $224.49).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameGIGABYTE
Model nameX870 AORUS TACHYON ICE
Processor
ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
CPU socketAM5
ChipsetAMD X870
Memory
Memory slot count2 × 288pin (DDR5)
Supported memorySupport for DDR5 9600(OC)/ 9200(OC)/ 8800(OC)/ 8600(OC)/ 8400(OC)/ 8200(OC)/ 8000(OC)/ 7800(OC)/ 7600(OC)/ 7200(OC)/ 7000(OC)/ 6800(OC)/ 6666(OC)/ 6600(OC)/ 6400(OC)/ 6200(OC)/ 6000(OC)/ 5600(OC)/ 5200/ 4800/ 4400 MT/s
Max supported RAM128 GB
Memory channelsDual Channel
Memory profilesIntel XMP 3.0 / AMD EXPO
ECC supportYes
BufferingUn-buffered
Storage
SATA ports4 x SATA 6Gb/s
M.2 slots1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 25110/22110/2580/2280 SSDs:
- AMD Ryzen 9000/7000 Series Processors support PCIe 5.0 x4/x2 SSDs
- AMD Ryzen 8000 Series-Phoenix 1 Processors support PCIe 4.0 x4/x2 SSDs
- AMD Ryzen 8000 Series-Phoenix 2 Processors support PCIe 4.0 x4/x2 SSDs
1 x M.2 connector (M2D_SB), integrated in the Chipset, supporting Socket 3, M key, type 22110/2280 PCIe 4.0 x2 SSDs
1 x M.2 connector (M2B_SB), integrated in the Chipset, supporting Socket 3, M key, type 22110/2280 PCIe 4.0 x4/x2 SSDs
SATA and RAID supportRAID 0, RAID 1, RAID 5, and RAID 10 support for NVMe SSD storage devices
* RAID 5 is only available on AMD Ryzen 9000 Series Processors.
RAID 0, RAID 1, and RAID 10 support for SATA storage devices
Audio & video
Audio chipRealtek ALC1220
Sound channels7.1 Channels
Connectivity
Maximum network speed5 Gbit/s
Wi-Fi standardWi-Fi 802.11 be
Bluetooth support5.4
Ports & slots
Rear panel ports1 x Q-Flash Plus button
1 x OC Ignition button
1 x PS/2 keyboard port
1 x PS/2 mouse port
1 x HDMI port (Note)
4 x USB 3.2 Gen 1 ports
3 x USB 3.2 Gen 2 Type-A ports (red)
1 x USB4 USB Type-C port (DisplayPort (Note))
1 x RJ-45 port
2 x antenna connectors (2T2R)
2 x audio jacks
1 x optical S/PDIF Out connector
Onboard USB headers1 x USB Type-C header, with USB 3.2 Gen 2 × 2 support
1 x USB 3.2 Gen 1 header
2 x USB 2.0/1.1 headers
Power
Power connectors1 × 24-pin ATX main power connector
2 × 8-pin ATX 12 V power connectors
Size & build
Form factorExtended ATX
Width and length12.0 in × 11.2 in
Shipping weight3.22 kg
Package size368 × 330 × 94 mm
More details
BIOS2 × 256 Mbit flash
Use of licensed AMI UEFI BIOS
Support for DualBIOS
PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0

Questions about this item

What comes in the box with the GIGABYTE X870 A TACHYON ICE and what must I buy separately?

The motherboard ships with the board itself, a Wi-Fi antenna, SATA cables and installation screws. You must purchase a compatible AM5 processor, DDR5 memory modules, an M.2 SSD, a power supply, a CPU cooler and a chassis separately.

The specs list DDR5 speeds from 4800 MT/s up to 9600 MT/s (OC). Which speed should I choose for this board?

For guaranteed stability without manual tuning, select a 4800 MT/s or 5200 MT/s kit with AMD EXPO or Intel XMP 3.0 profiles. If you plan to overclock, a 6000 MT/s or 6400 MT/s EXPO kit offers strong headroom toward the 9600 MT/s OC ceiling.

The headline feature mentions DDR5 OC up to 9600 MT/s. What does that actually deliver once the system is built?

With a Ryzen 9000 or 7000 series CPU and a high-quality DDR5 kit, the board can run memory at 9600 MT/s through EXPO or manual overclocking, giving maximum bandwidth for gaming and compute workloads. Achieving that speed depends on CPU memory-controller quality, cooling and BIOS tuning.

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