Asrock EC266D4-4L motherboard Intel C266 LGA 1700 ATX

SKU

EC266D4-4L

In Stock: 8 available

ATX, 305 mm x 244 mm, Single Socket V1 (LGA 1700), Supports Intel Xeon 6300-series, Xeon E-2400 series, and Pentium Gold G7400/G7400T processors

ATX (12" x 9.6")
Supports Intel® Xeon® 6300-series, Xeon® E-2400 series, and Pentium® Gold G7400/G7400T processors
4 DIMM slots (2DPC), supports DDR5 ECC UDIMM
1 PCIe5.0 x16, 1 PCIe5.0 x8, 2 PCIe4.0 x4
2 M.2 (PCIe4.0 x4)
Up to 14 SATA 6Gb/s
4 RJ45 (1GbE) by Intel® i210
Remote Management (IPMI)

Internal I/O
Number of M.2 (M) slots	2
Supported storage drive interfaces	M.2, SATA III
USB 3.2 Gen 1 (3.1 Gen 1) connectors	4
TPM connector	Yes
Peripheral (Molex) power connectors (4-pin)	1
Number of SATA III connectors	14
ATX Power connector (24-pin)	Yes
Technical details
Motherboard chipset family	Intel
Motherboard chipset	Intel C266
Supported processor sockets	LGA 1700
PC health monitoring	CPU, Fan
Motherboard form factor	ATX
Performance
Motherboard chipset family	Intel
Motherboard chipset	Intel C266
RAID levels	0, 1, 5, 10
Supported processor sockets	LGA 1700
PC health monitoring	CPU, Fan
Motherboard form factor	ATX
Processor
Processor manufacturer	Intel
Compatible processor series	Intel® Pentium® Gold, Intel® Xeon®, Intel Xeon E
Supported processor sockets	LGA 1700
Processor socket	LGA 1700
Memory
Number of memory slots	4
Supported memory types	DDR5-SDRAM
Memory voltage	1.1 V
Maximum internal memory	32 GB
Supported memory clock speed (max)	4400 MHz
ECC сompatibility	ECC
Storage controllers
Supported storage drive interfaces	M.2, SATA III
RAID levels	0, 1, 5, 10
RAID support	Yes
Graphics
On-board graphics card model	Aspeed AST2600

Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2
VGA (D-Sub) ports quantity	1
Serial ports quantity	1
Ethernet LAN (RJ-45) ports	4
Network
Ethernet LAN	Yes
Wi-Fi	No
Features
Motherboard chipset family	Intel
Motherboard chipset	Intel C266
Supported processor sockets	LGA 1700
PC health monitoring	CPU, Fan
Compatible operating systems	Microsoft® Windows® - Server 2022 (64 bit) - Server 2025 (64 bit) Linux - Red Hat Enterprise Linux Server 8.5 ( 64 bit) / 9.2 ( 64 bit) - SUSE Enterprise Linux Server 15 SP3 ( 64 bit) / 15 SP5 ( 64 bit) - Ubuntu 21.04 (64 bit) / 22.04.2 ( 64 bit)
Motherboard form factor	ATX
Expansion slots
Number of M.2 (M) slots	2
PCI Express x16 (Gen 5.x) slots	1
PCI Express x4 (Gen 4.x) slots	2
PCI Express x8 (Gen 5.x) slots	1
BIOS
BIOS type	AMI
BIOS memory size	256 Mbit
ACPI version	6.4
System Management BIOS (SMBIOS) version	2.8
Operational conditions
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	10 - 35 °C
Storage relative humidity (H-H)	20 - 90%
Weight & dimensions
Width	305 mm
Depth	244 mm
Other features
Compatible operating systems	Microsoft® Windows® - Server 2022 (64 bit) - Server 2025 (64 bit) Linux - Red Hat Enterprise Linux Server 8.5 ( 64 bit) / 9.2 ( 64 bit) - SUSE Enterprise Linux Server 15 SP3 ( 64 bit) / 15 SP5 ( 64 bit) - Ubuntu 21.04 (64 bit) / 22.04.2 ( 64 bit)

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SKU	EC266D4-4L	B550D4ID-2L2T	90MB1DZ0-M0EAY0	B650D4U-2L2T/BCM	90MB1FA0-M0EAY0	AM5D4ID-2T/BCM
Manufacturer	Asrock	Asrock	ASUS	Asrock	ASUS	Asrock
Motherboard form factor	ATX	mini ITX	ATX	micro ATX	micro ATX	mini ITX
Processor socket	LGA 1700	Socket AM4	LGA 1700	Socket AM5	LGA 1700	Socket AM5
Supported memory types	DDR5-SDRAM	DDR4-SDRAM	DDR5-SDRAM	DDR5-SDRAM	DDR5-SDRAM	DDR5-SDRAM
Number of memory slots	4 to 6	4 to 6	4 to 6	4 to 6	4 to 6	4 to 6
Processor manufacturer	Intel	AMD	Intel	AMD	Intel	AMD
Component for	N/A	Server	PC	Server	PC	Server