ASROCK X399 TAICHI MOTHERBOARD - SYSTEM BOARD ( 1 ) ONE AMD TR4 SOCKET ( 8 ) EIGHT DDR4-3600 DIMM SLOTS ( 3 ) THREE ULTRA M.2 2280 / 2260 / 2242 INTERFACES ( 1 ) ONE U.2 CONNECTOR ( TAICHI/A/ASRK ) video
ASROCK X399 TAICHI MOTHERBOARD - SYSTEM BOARD ( 1 ) ONE AMD TR4 SOCKET ( 8 ) EIGHT DDR4-3600 DIMM SLOTS ( 3 ) THREE ULTRA M.2 2280 / 2260 / 2242 INTERFACES ( 1 ) ONE U.2 CONNECTOR ( TAICHI/A/ASRK ) preview image #0
ASROCK X399 TAICHI MOTHERBOARD - SYSTEM BOARD ( 1 ) ONE AMD TR4 SOCKET ( 8 ) EIGHT DDR4-3600 DIMM SLOTS ( 3 ) THREE ULTRA M.2 2280 / 2260 / 2242 INTERFACES ( 1 ) ONE U.2 CONNECTOR ( TAICHI/A/ASRK ) preview image #1
ASROCK X399 TAICHI MOTHERBOARD - SYSTEM BOARD ( 1 ) ONE AMD TR4 SOCKET ( 8 ) EIGHT DDR4-3600 DIMM SLOTS ( 3 ) THREE ULTRA M.2 2280 / 2260 / 2242 INTERFACES ( 1 ) ONE U.2 CONNECTOR ( TAICHI/A/ASRK ) preview image #2
ASROCK X399 TAICHI MOTHERBOARD - SYSTEM BOARD ( 1 ) ONE AMD TR4 SOCKET ( 8 ) EIGHT DDR4-3600 DIMM SLOTS ( 3 ) THREE ULTRA M.2 2280 / 2260 / 2242 INTERFACES ( 1 ) ONE U.2 CONNECTOR ( TAICHI/A/ASRK ) preview image #3
ASROCK X399 TAICHI MOTHERBOARD - SYSTEM BOARD ( 1 ) ONE AMD TR4 SOCKET ( 8 ) EIGHT DDR4-3600 DIMM SLOTS ( 3 ) THREE ULTRA M.2 2280 / 2260 / 2242 INTERFACES ( 1 ) ONE U.2 CONNECTOR ( TAICHI/A/ASRK ) preview image #4

ASROCK X399 TAICHI MOTHERBOARD - SYSTEM BOARD ( 1 ) ONE AMD TR4 SOCKET ( 8 ) EIGHT DDR4-3600 DIMM SLOTS ( 3 ) THREE ULTRA M.2 2280 / 2260 / 2242 INTERFACES ( 1 ) ONE U.2 CONNECTOR ( TAICHI/A/ASRK ) (90-MXB5R0-A0UAYZ)

Part Number: 90-MXB5R0-A0UAYZ

Condition: Refurbished

Availability: ETA 3-4 days

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as of 04/03/2026 12:00:00 AM PDT

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Product Details:

ASROCK X399 TAICHI MOTHERBOARD - SYSTEM BOARD ( 1 ) ONE AMD TR4 SOCKET ( 8 ) EIGHT DDR4-3600 DIMM SLOTS ( 3 ) THREE ULTRA M.2 2280 / 2260 / 2242 INTERFACES ( 1 ) ONE U.2 CONNECTOR ( TAICHI/A/ASRK )

MANUFACTURER: ASUS
PART NUMBER: 90-MXB5R0-A0UAYZ

PROCESSOR DETAIL

NUMBER OF PROCESSORS SUPPORTED: ( 1 ) ONE PROCESSOR
SOCKET TYPE: TR4 SOCKET
PROCESSOR TYPE: AMD RYZEN THREADRIPPER SERIES

MEMORY DETAIL

NUMBER OF MEMORY SLOTS: 8 TOTAL MEMORY SLOTS
MEMORY TYPE: DDR4 3600 OC / 3200 OC / 2933 OC / 2667 / 2400 / 2133 ECC OR NON ECC, UNBUFFERED ( QUAD CHANNEL )
MEMORY SIZE CAPACITY: UP TO 128GB

STORAGE DETAIL

CONNECTORS: INTEL X399 CHIPSET: X8 SATA 6GB/S / X1 U.2 CONNECTOR
RAID SUPPORT: RAID 0, RAID 1, RAID 10
INTERFACES: X2 ULTRA M.2 M KEY SLOT ( PCIE X4 32GB/S OR SATA3 2280 / 2260 / 2242 ) / X1 ULTRA M.2 M KEY SLOT ( PCIE X4 32GB/S OR SATA3 2280 / 2260 / 2242 / 2230 )

SLOT DETAIL

INTERFACES: ( 4 ) FOUR PCI-E 3.0 X16 SLOTS ( 1 ) ONE PCI-E 2.0 X1 SLOT

ADDITIONAL INFORMATION

FORM FACTOR: ADVANCED TECHNOLOGY EXTENDED ( ATX 12 INCH X 9.6 INCH )
OPERATING SYSTEMS SUPPORTED: MICROSOFT WINDOWS 10 64 BIT
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