ASRock C621A WS Quick Installation Guide - Page 12
Specifications
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1.2 Specifications Platform • ATX Form Factor • 12 Layer PCB • 2oz Copper PCB CPU • Supports 3rd Generation Intel® Xeon® Scalable Processors • Intel® Socket 4189 (Socket P+) • Digi Power Design • 7 Power Phase Design Chipset • Intel® C621A Memory • Eight Channel Memory Technology (1DPC) • 8 x DDR4 DIMM Slots • Supports DDR4 3200/2933/2666/2400/2133/1866 DDR4 RDIMM/ RDIMM-3DS/ LRDIMM/ LRDIMM-3DS/ Intel®Optane™ Persistent Memory 200 Series • Max. capacity of system memory: RDIMM: 64GB, LRDIMM: 128GB, RDIMM-3DS/ LRDIMM-3DS: 256GB Expansion Slot • 4 x PCIe Gen4x16 Slots (PCIE1/PCIE3/PCIE5/PCIE7)* • 3 x PCIe Gen4x8 Slots (PCIE2/PCIE4/PCIE6)* * If PCIE2 is occupied, PCIE3 will downgrade to x8 mode. If PCIE4 is occupied, PCIE5 will downgrade to x8 mode. If PCIE6 is occupied, PCIE7 will downgrade to x8 mode. Graphics • Aspeed® AST2500 BMC Controller • Supports D-Sub with max. resolution up to 1920x1200 @ 60Hz LAN 2 x 10 Gigabit LAN 100/1000/2500/5000/10000 Mb/s (Intel® X710-AT2) • Supports Wake-On-LAN • Supports Lightning/ESD Protection • Supports Energy Efficient Ethernet 802.3az • Supports PXE English 10