Serial ATA (SATA): 4 x SATA3 6.0Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug*
* M2_2 and SATA3_3_4 share lanes. If either one of them is in use, the other one will be disabled.
Memory Standard: 5133(OC)/5000(OC)/4800(OC)/4700(OC)/ 4600(OC)/4500(OC)/4400(OC)/4266(OC)/4133(OC)/4000(OC)/3866(OC)/MHz Non-ECC, Un-buffered Memory*
Dual Channel Memory Architecture
Supports Intel Extreme Memory Profile (XMP)
OptiMem II
* 10th Gen Intel Core i7/i9 processors support 2933/2800/2666/2400/2133 natively, others will run at the maximum transfer rate of DDR4 2666MHz.
* 11th Gen Intel processors support 3200/2933/2800/2666/2400/2133 natively.
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.
Memory Standard: Intel Xeon W-1290/W-1270 series processors / Intel Core i9/i7 processors:
Support for DDR4 2933/ 2666/ 2400/ 2133 MHz
Intel Xeon W-1250 series processors / Intel Core i5/i3/Pentium/Celeron processors:
Support for DDR4 2666/ 2400/ 2133 MHz
Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules
* To support ECC, you must install an Intel Xeon processor.
Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
Support for Extreme Memory Profile (XMP) memory modules
Number of Memory Slots: 4x288pin (DDR4)
Audio Chipset: Realtek ALC1220-VB codec
* The back panel line out jack supports DSD audio.
Memory Standard: Supports DDR4 4600+(OC)*/ 4500/ 4400/ 4333/ 4266(OC)/ 4133(OC)/ 4000(OC)/ 3866(OC)/ 3800(OC)/ 3733(OC)/ 3600(OC)/ 3200(OC)/ 2933/ 2800/ 2666/ 2400/ 2133 non-ECC, un-buffered memory
- Supports ECC UDIMM memory modules with Intel Xeon processors
- Supports DDR4 ECC, un-buffered memory with Intel Xeon processors W series in the LGA 1200 Socket
* Please refer to Memory Support List on ASRock's website for more information.
* Xeon W (WE3/WE2) support DDR4 up to 2933, Xeon W (WE1) support DDR4 up to 2666.
CPU Type: Supports AMD EPYC 7003/7002 Series Processor
(The latest AMD EPYC 7003 Series Processor with AMD 3D V-Cache Technology requires BIOS version 2.3 or newer)
Memory Standard: Intel Xeon W-1290/W-1270 series processors / Intel Core i9/i7 processors:
Support for DDR4 2933/ 2666/ 2400/ 2133 MHz memory modules
Intel Xeon W-1250 series processors / Intel Core i5/i3/Pentium/Celeron processors:
Support for DDR4 2666/ 2400/ 2133 MHz memory modules
Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules
* To support ECC, you must install an Intel Xeon processor.
Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules