ASRock C621A WS

Motherboards

Graphics Card

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C621A WS

Supports 3^rd gen Intel^® Xeon^® Scalable Processors
1 LGA4189 Socket (Socket P+)
Supports DDR4 RDIMM/ RDIMM-3DS/ LRDIMM/ LRDIMM-3DS/Intel^® Optane ™ Persistent Memory 200 Series
4 PCIe 4.0 x16, 3 PCIe 4.0 x8
1 D-Sub
1 mini-SAS HD connector, 2 SATA, 1 Ultra M.2 (PCIe3.0 x4/SATA), 1 M.2 (PCIe3.0 x1/SATA)
2 Front USB3.2 Gen2 Type-C, 6 USB3.2 Gen1 (4 Rear, 2 Front), 3 USB2.0 (1 Vertical, 2 Front)
2 x 10 GbE LAN (Intel^® X710-AT2), 2 x 1 GbE LAN (Intel^® i210)
IPMI2.0 with iKVM and vMedia support (ASPEED AST2500)

This model may not be sold worldwide. Please contact your local dealer for the availability of this model in your region.

Overview
Specification
Support

Where to Buy

CPU
- Supports 3^rd 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/IntelOptane™ Persistent Memory 200 Series
- DIMM Size Per DIMM: RDIMM: up to 64GB, LRDIMM: up to 128GB, RDIMM-3DS/ LRDIMM-3DS: up to 256GB
BIOS
- 256Mb AMI UEFI Legal BIOS
- ACPI 5.0 Compliant wake up events
- SMBIOS 2.3 Support
Graphics
- Aspeed AST2500 BMC Controller
- Supports D-Sub with max. resolution up to 1920x1200 @ 60Hz
Audio
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
2 x Gigabit LAN 10/100/1000 Mb/s (Intel^® I210)
- Supports Wake-On-LAN
- Supports Lightning/ESD Protection
- Supports Energy Efficient Ethernet 802.3az
- Supports PXE
1 x Dedicated IPMI (ASPEED AST2500)
- Supports iKVM and vMedia
Slots
- 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.
Storage
- 2 x SATA3 6.0 Gb/s Connectors
- 1 x Mini-SAS HD Connector
- 1 x Ultra M.2 Socket (M2_1, Key M), supports type 2242/2280/22110 SATA3 6.0 Gb/s & PCIe Gen3x4 (32 Gb/s) modes*
- 1 x M.2 Socket (M2_2, Key M), supports type 2242/2280/22110 SATA3 6.0 Gb/s & PCIe Gen3x1 (8 Gb/s) modes*

*Supports Intel^® Optane™ Technology
Supports NVMe SSD as boot disks
Supports ASRock U.2 Kit
RAID
- Supports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA storage devices
- Supports RAID 0, RAID 1, RAID 5 for M.2 NVMe storage devices
Connector
- 1 x SPI TPM Header
- 1 x LPC TPM Header
- 1 x COM Port Header
- 5 x System Fan Connectors (6-pin)
- 1 x 24 pin ATX Power Connector (Hi-Density Power Connector)
- 1 x 8 pin 12V Power Connector (Hi-Density Power Connector)
- 1 x 4 pin 12V Power Connector (Hi-Density Power Connector)
- 1 x Vertical Type A USB 2.0
- 1 x USB 2.0 Header (Supports 2 USB 2.0 ports) (Supports ESD Protection)
- 1 x USB 3.2 Gen1 Headers (Support 2 USB 3.2 Gen1 ports) (Supports ESD Protection)
- 2 x USB3.2 Gen2 ports (2 Type-C headers)
- 2 x Front Panel Type C USB 3.2 Gen2 Headers (Supports ESD Protection)
- 2 x SGPIO Headers
- 1 x Auxiliary Panel Header
- 1 x Intelligent Platform Management Bus Header
- 1 x Backplane PCI Express Hot-Plug Connector Header
- 1 x SMBus Header
- 1 x PMbus Header
- 1 x CPU HP-SMBus Connector
- 1 x Thermal Sensor Header
- 1 x Virtual RAID On CPU Header
- 1 x BMC Heartbeat LED
- 1 x StandbyPower LED
- 5 x FanFail LED
- 1 x Non Maskable Interrupt Button Header
- 1 x Buzzer
- 1 x Dr. Debug with LED
Rear Panel I/O
- 1 x UID Switch w/ LED
- 1 x D-Sub Port
- 4 x USB 3.2 Gen1 Ports (Supports ESD Protection)
- 2 x RJ45 (10GbE), 2 x RJ45 (1GbE)
- 1 x RJ45 Dedicated IPMI LAN port
Unique Feature
UEFI
- ASRock Instant Flash
Support CD
- Drivers, Utilities, AntiVirus Software (Client OS, Trial Version)
Accessories
- Quick Installation Guide, Support CD, I/O Shield
- 1 x TPM-SPI module
- 1 x CPU Non-Fabric Carrier
- 1 x Mini SAS HD to 4 x SATA Cable (60cm)
- 1 x SATA3 Data Cable (60cm)
- 2 x Screws for M.2 Sockets
Hardware Monitor
- Temperature Sensing: CPU, PCH, MB, Card Side
- Fan Tachometer: CPU, Rear, Front Fan Tachometer
- Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU Fan
- Fan Multi-Speed Control: CPU, Rear, Front Fan
- Voltage Monitoring: CPU1_PVCCIN, PVDDQ_ABCD,PVDDQ_EFGH, 1.05V_PCH,1.8V_PCH, +BAT,PVNN_PCH, 3.3V,5V,12V,3.3VSB, 5VSB
Form Factor
- ATX Form Factor: 12.0-in x 9.6-in, 30.5 cm x 24.4 cm
- 12 Layer PCB
- 2oz Copper PCB
OS
- Microsoft^® Windows
10 64-bit / 11 64-bit*
Server 2012 R2 (64 bit)
Server 2016 (64 bit)
- Linux RedHat Enterprise Linux Server 6.8 (64 bit) / 7.4 (64 bit) CentOS 6.8 (64 bit) / 7. 4 (64 bit) SUSE Enterprise Linux Server 11 SP4 (64 bit) / 12 SP3 (64 bit) Ubuntu 16.04 (64 bit) / 18.04 (64 bit) FreeBSD 11.1 (64 bit)**
- Virtual VMWare ESXi 6.5 u1 Win hyper-V Server 2012 R2

*Before you install Microsoft^® Windows^® 11 OS, please make sure that the TPM-SPI module is plugged.

**On Ubuntu 16.04 (64bit) system, Intel^® Raid mode only supports UEFI BOOT.
Ubuntu 18.04 (64bit) does not support Intel^® Raid mode (AHCI only).

Certifications

- FCC, CE
- ErP/EuP ready (ErP/EuP ready power supply is required)

Description	Language	Download
User Manual	English	Global	China
BSMI	Multi-Language	Global	China
Quick Installation Guide	Multi-Language	Global	China
RAID Installation Guide	English	Global	China
Intel Rapid Storage Guide	English	Global	China

The specification is subject to change without notice in advance. The brand and product names are trademarks of their respective companies. Any configuration other than original product specification is not guaranteed.

The above user interface picture is a sample for reference. The actual user interface may vary with the updated software version.