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ASRock C621A WS LGA 4189 Intel C621A ATX Intel Motherboard

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  • Intel C621A
  • Supports 3rd Generation Intel Xeon Scalable Processors
  • Digi Power Design
  • 7 Power Phase Design
  • Supports DDR4 3200 / 2933 / 2666 / 2400 / 2133/1866 DDR4 RDIMM/ RDIMM-3DS/ LRDIMM/ LRDIMM-3DS/IntelOptane Persistent Memory 200 Series
🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available
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Learn more about the ASRock C621A WS

Model
Brand ASRock
Model C621A WS
Supported CPU
CPU Socket Type LGA 4189
CPU Type Supports 3rd Generation Intel Xeon Scalable Processors
Digi Power Design
7 Power Phase Design
Chipsets
Chipset Intel C621A
Onboard Video
Onboard Video Chipset Aspeed AST2500 BMC Controller
Supports D-Sub with max. resolution up to 1920x1200 @ 60Hz
Memory
Number of Memory Slots 8x288pin (DDR4)
Memory Standard Supports DDR4 3200 / 2933 / 2666 / 2400 / 2133/1866 DDR4 RDIMM/ RDIMM-3DS/ LRDIMM/ LRDIMM-3DS/IntelOptane Persistent Memory 200 Series
Maximum Memory Supported RDIMM: 64GB, LRDIMM: 128GB, RDIMM-3DS/ LRDIMM-3DS: 256GB*

*Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows 32-bit OS. For Windows 64-bit OS with 64-bit CPU, there is no such limitation.
Channel Supported Eight Channel Memory Technology (1DPC)
Expansion Slots
PCI Express 4.0 x16 4 x PCIe Gen4x16 Slots (PCIE1/PCIE3/PCIE5/PCIE7)*

*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.
PCI Express x8 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 Devices
Serial ATA (SATA) 2 x SATA3 6.0 Gb/s Connectors
M.2 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
Intel Optane Ready Yes
SATA 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
SAS 1 x Mini-SAS HD Connector
Onboard LAN
LAN Chipset 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
Second LAN Chipset 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
Max LAN Speed 10Gbps + 2 x 1Gbps
Rear Panel Ports
Back I/O Ports 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
Internal I/O Connectors
Onboard USB 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)
Other Connectors 1 x SPI TPM Header
1 x LPC TPM Header
1 x COM Port Header
5 x System Fan Connectors (6-pin)
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
Software Feature
Windows 11 Ready
Physical Spec
Form Factor ATX
Dimensions (W x L) 12.0" x 9.6"
Power 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)
Features
Features BIOS:
- 256Mb AMI UEFI Legal BIOS
- ACPI 5.0 Compliant wake up events
- SMBIOS 2.3 Support

Unique Feature:
UEFI
- ASRock Instant Flash

Support CD:
- Drivers, Utilities, AntiVirus Software (Client OS, Trial Version)

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

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
*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)
Packaging
Package Contents 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
Additional Information
First Listed on Newegg September 19, 2022

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Return Policies

Manufacturer Contact Info

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