OEM AM4 Motherboard Makes an Appearance

In the ongoing, agonising, wait for Zen, Bristol Ridge will be an appetiser. With OEMs already building systems based on the platform, it was only a matter of time until we saw the first board make an appearance.

That has happened today, with HP’s ‘Willow‘ board. As you can see above, the board is sort of a Micro-ATX motherboard (albeit closer to DTX than M-ATX), with dual DDR4 RAM slots. a single PCIe x16 slot, and some interesting component locations. The board is featured in the HP Elitedesk 705 G3 SFF.


With the ongoing rumours and misinformation regarding cooler mounting, we can see from the image that the cooler mounting uses a square pattern. While this could be correct, it’s more likely that this is HP designing a board to save costs by utilising the same coolers for both Intel and AMD platform, so take it with a grain of salt.


Dimensions 22.0 x 20.5 cm
Chipset AMD Promontory FCH (B350)
Processor Upgrade Info TDP 65w Max, Socket AM4
Possible Processors AMD PRO A12-9800 APU with Radeon™ R7 Graphics (3.8 GHz up to 4.2 GHz, 2 MB cache, 4 cores)
AMD PRO A10-9700 APU with Radeon™ R7 Graphics (3.5 GHz up to 3.8 GHz, 2 MB cache, 4 cores)
AMD PRO A8-9600 APU with Radeon™ R7 Graphics (3.1 GHz up to 3.4 GHz, 2 MB cache, 4 cores)
AMD PRO A6-9500 APU with Radeon™ R5 Graphics (3.5 GHz up to 3.8 GHz, 1 MB cache, 2 cores)
Memory Dual Channel, DDR4 up to PC4-17000 (DDR4-2133)
Supports 4 GB and 8 GB UDIMMs
Graphics APU or dGPU graphics
Audio Audio Codec: ALC3863-CG, Azalia 5.1
LAN Realtek RTL8161, 10/100/1000 Mb/s
Expansion Slots One M.2 socket 1, key A
One PCIe x16
Rear IO
  1. VGA
  2. HDMI
  3. USB 3.0: 2
  4. LAN (Ethernet)
  5. USB 2.0: 2
  6. Audio: Line in
  7. Audio: Line out
  8. Audio: Microphone

An AM4 Athlon has also been sighted, along with a close up of the socket;

amd_athlon_x4_950_pro_socket_am4_zdroj_baidu_01 amd-am4-socket amd-zen-bristol-ridge-chip-backside-840x539

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