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Computer Hardware
ASUS WS C621E Sage EEB Server Motherboard Dual LGA 3647 Intel C621


WS C621E Sage

Supported CPU

CPU Socket Type
Dual LGA 3647
CPU Type
Dual Intel Socket P (LGA 3647) for Intel Xeon Scalable Processors Family (205W)


North Bridge
Intel C621


DDR4 Standard
DDR4 2666 / 2400 MHz RDIMM, LR-DIMM Memory
Maximum Memory Supported

Expansion Slots

PCI Express 3.0 x16
3 x PCIe 3.0 x16 (x16 mode) 
2 x PCIe 3.0 x16 (Single at x16, dual at x8/x8) 
2 x PCIe 3.0 x16 (x8 mode)
Other Slots
2 x PCIe 3.0 x16 (x16 mode) 
2 x PCIe 3.0 x16 (Single at x16, dual at x8/x8) 
1 x PCIe 3.0 x4 (x4 mode)

Storage Devices

8 x SATA 6.0Gb/s

Onboard Video

Onboard Video Chipset
Aspeed AST2500 with 64MB VRAM

Onboard LAN

LAN Chipset
Intel I210-AT
LAN Speed
Second LAN Chipset
Intel I210-AT
Second LAN Speed

Rear Panel Ports

1 x PS/2 keyboard/mouse port
2 x RJ45


Intel C621 Chipset: 8 x SATA 6Gb/s port (s), Support Raid 0, 1, 5, 10
ASMedia SATA 6Gb/s controller: 2 x SATA 6Gb/s port (s), 4 x U.2 connector, 1 x M.2 Socket 3, with M Key, type 2242/2260/2280/22110 storage devices support (both SATA & PCIE mode)

USB Ports:
ASMedia USB 3.1 Gen 2 controller: 2 x USB port (s) (2 at back panel , Type-A + USB Type-CTM)
Intel C621 Chipset: 8 x USB 3.1 Gen 1 port (s) (4 at back panel , 4 at mid-board)
Intel C621 Chipset: 4 x USB 2.0 port (s) (2 at back panel , 2 at mid-board)

Designed for Dual 7th generation LGA2066 socket Intel Xeon W-Series processors with quad U.2, M.2, USB 3.1 Gen2, Dual Intel Gigabit LAN, support for 12 DIMMs of ECC DDR4, Thunderbolt EX3, Intel VROC and Intel Optane Memory compatibility

Winner of 18 #1 Benchmark World Records by the Standard Performance Evaluation Corporation (SPEC)

2-Way Overclocking Performance unlocks the full power of the dual Xeon processors

Next-gen transfer speeds with up to 32 Gbps M.2 and U.2, plus up to 10 Gbps USB 3.1 Type-A and Type-C connections

Industry-leading 7.1-channel HD audio enhanced by ASUS exclusive Realtek S1220A featuring DTS Headphone:X and driven by Japanese capacitors for warm, immersive sound

Patent-pending SafeSlot features an injection molding process that integrates metal framing for stronger, firmly anchored PCIe slots built for heavyweight GPUs, ideal for supporting 4-Way NVIDIA SLI or AMD CrossfireX

Complete IT Infrastructure Management with ASMB9 Out-of-band remote management and In-band ASUS Control Center providing a complete server management solution reducing IT operating costs with features like remote BIOS updating, monitoring multiple systems via mobile device, and one-click software updates / dispatching


Form Factor
Dimensions (W x L)
12.0" x 13.0"
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