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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

  • ProcessorSupports Intel Xeon E-2400 series and Intel Pentium Gold G74
  • Form factorMicro ATX
  • CPU socketLGA 1700
  • Network speed10/100/1000 Mbit/s
  • Supported CPU count1
  • ChipsetIntel C262
  • 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.

How it compares

Measured against everything we stock in Server & Workstation Boards, at today’s prices. Recalculated every night.

Price $273.99
Pricier than about 54% of the 776 comparable items (median $254.49).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameAsRock Rack
Model nameEC262D4U
Processor
ProcessorSupports Intel Xeon E-2400 series and Intel Pentium Gold G7400/G7400T processors
CPU socketLGA 1700
Supported CPU count1
ChipsetIntel C262
Memory
RAM slots4 x DDR5 288-pin
Supported memoryDDR5 4400
Max supported RAM128 GB
ECC supportYes
Storage
SATA ports8 x SATA 6.0Gb/s
M.2 slots1 M-key (PCIe4.0 x4); support 2280/2260/2242/2230 form factor [PCH]
Graphics
Onboard video chipAspeed AST2600
Connectivity
Network speed10/100/1000 Mbit/s
Ethernet controllerIntel I210
Maximum network speed2 × 1 Gbit/s
Ports & slots
PCIe 5.0 x16 slotsSLOT6: PCIe5.0 x16 [CPU]
PCIe x4 slotsSLOT7: PCIe4.0 x4* [CPU]
*SLOT7 share lanes with OCuLink4. OCuLink4 will disable when SLOT7 is populated
PCIe x1 slotsSLOT4: PCIe4.0 x1 [PCH]
Additional 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
Rear panel ports1 x COM (Serial Port) / 1 x D-Sub / 2 x LAN (RJ45) / 2 x USB 3.2 Gen 1 Type-A
Onboard USB headersUSB 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)
Size & build
Form factorMicro ATX
Width and length9.6 in × 9.6 in
Shipping weight0.91 kg
Package size302 × 290 × 76 mm
More details
BIOSAMI 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

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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