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Green Micro-ATX server motherboard with silver LGA 1700 socket and four black DDR5 slots

ASRock Rack

ASRock Rack EC262D4U Micro-ATX Server Motherboard LGA 1700 C262

SKU CH-KCA1-212BC MPN EC262D4U

Micro-ATX server board with LGA 1700 socket, DDR5 ECC memory up to 128 GB, PCIe 5.0 x16 slot, dual 1 GbE LAN and eight SATA ports

  • CPU Socket TypeLGA 1700
  • CPU TypeSupports Intel Xeon E-2400 series and Intel Pentium Gold G74
  • Number of Processor Support1
  • North BridgeIntel C262
  • Memory Slots4 x DDR5 288-pin
  • Memory StandardDDR5 4400
  • Supports Intel Xeon E-2400 series and Pentium Gold G7400 processors for server workloads
  • Four DDR5 288-pin slots with ECC support up to 128GB memory capacity
  • PCIe 5.0 x16 slot plus PCIe 4.0 x4 and x1 expansion options
  • Dual OCuLink ports and eight SATA 6.0Gb/s connectors for flexible storage
  • Dual 1GbE Intel I210 LAN ports with Aspeed AST2600 video for management

Socket and chipset

The ASRock Rack EC262D4U is a Micro-ATX server motherboard built around the Intel C262 chipset and an LGA 1700 socket. It supports a single Intel Xeon E-2400 series processor or an Intel Pentium Gold G7400 or G7400T CPU.

Who it suits and who it does not

This board suits builders who need ECC memory on a compact server platform with dual 1GbE ports and a mix of PCIe 5.0 and 4.0 expansion. It is not for buyers who want more than one processor, 10GbE networking, or a larger ATX form factor with additional slots.

Build integration

Four DDR5 288-pin slots accept up to 128GB of ECC UDIMM memory at 4400 MT/s. A PCIe 5.0 x16 slot and a PCIe 4.0 x4 slot share lanes with an OCuLink connector, while a second OCuLink port can run as PCIe 4.0 x4 or four SATA 6Gb/s links. An M.2 M-key slot supports 2280, 2260, 2242 and 2230 drives. Eight SATA 6Gb/s ports, dual Intel I210 1GbE ports and an Aspeed AST2600 video chipset complete the I/O.

Highlights

  • Supports Intel Xeon E-2400 series and Pentium Gold G7400 processors for server workloads
  • Four DDR5 288-pin slots with ECC support up to 128GB memory capacity
  • PCIe 5.0 x16 slot plus PCIe 4.0 x4 and x1 expansion options
  • Dual OCuLink ports and eight SATA 6.0Gb/s connectors for flexible storage
  • Dual 1GbE Intel I210 LAN ports with Aspeed AST2600 video for management

Specifications

BrandAsRock Rack
ModelEC262D4U
CPU Socket TypeLGA 1700
CPU TypeSupports Intel Xeon E-2400 series and Intel Pentium Gold G7400/G7400T processors
Number of Processor Support1
North BridgeIntel C262
Memory Slots4 x DDR5 288-pin
Memory StandardDDR5 4400
Maximum Memory Supported128GB
ECC SupportedYes
PCI Express 5.0 x16SLOT6: PCIe5.0 x16 [CPU]
PCI Express x4SLOT7: PCIe4.0 x4* [CPU]
*SLOT7 share lanes with OCuLink4. OCuLink4 will disable when SLOT7 is populated
PCI Express x1SLOT4: PCIe4.0 x1 [PCH]
Other Slots1 OCuLink (PCIe4.0 x4)* [CPU]
1 OCuLink (PCIe4.0 x4 or 4 SATA 6Gb/s) [PCH]
*OCulink4 shares lanes with SLOT7 and will be disabled when SLOT7 is populated
SATA8 x SATA 6.0Gb/s
M.21 M-key (PCIe4.0 x4); support 2280/2260/2242/2230 form factor [PCH]
Onboard Video ChipsetAspeed AST2600
LAN ChipsetIntel I210
LAN Speed10/100/1000Mbps
Max LAN Speed2 x 1Gbps
Back I/O Ports1 x COM (Serial Port) / 1 x D-Sub / 2 x LAN (RJ45) / 2 x USB 3.2 Gen 1 Type-A
Onboard USBUSB 3.2 (Gen1) Header: 1 header (19-pin, 2 USB3.2 Gen1)
USB 2.0 Header: 1 header (9-pin, 2 USB2.0)
Type A USB 2.0 Port: 1 vertical Type-A (USB2.0)
Other ConnectorsPower Connector: 1 (24-pin, ATX main power), 2 (8-pin, ATX 12V)
Auxiliary Panel Header: 1 (18-pin): chassis intrusion, system fault LED, LAN1/LAN2 activity LED, locate, SMBus
System Panel: 1 (9-pin): power switch, reset switch, system power LED, HDD activity LED
VGA header: 1
Speaker Header: 1 (4-pin)
Buzzer: 1
Fan Header: 7 (4-pin)
Thermal Sensor Header: 1
TPM Header: 1 (13-pin, SPI)
SGPIO Header: 1
SMBus header: 1
PMBus header: 1
IPMB Header: 1
Clear CMOS: 1 (contact pads)
NMI Header: 1
BIOS FeatureAMI 256Mb SPI Flash ROM
Plug and Play, ACPI 6.4 and above compliance wake up events, SMBIOS 2.8 and above, ASRock Rack Instant Flash
Form FactorMicro ATX
Dimensions (W x L)9.6" x 9.6"
Shipping weight0.91 kg
Package size302 × 290 × 76 mm

Questions about this item

Do I need a DDR5 ECC UDIMM to populate the four 288-pin slots on this board?

Yes, the four slots accept DDR5 4400 ECC UDIMM modules up to 128 GB total capacity.

Will an add-in card installed in the PCIe 4.0 x4 slot disable the second OCuLink connector?

Populating the PCIe 4.0 x4 slot (SLOT7) shares lanes with OCuLink4, so that OCuLink port becomes inactive.

How can I verify the onboard Aspeed AST2600 video is functioning after assembly?

Connect a display to the VGA output; the AST2600 provides basic graphics for BIOS access and OS installation without a discrete GPU.

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