We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Green Micro-ATX server board with silver CPU socket, four black DDR4 slots, three PCIe slots, two M.2 sockets, eight SATA ports

ASRock Rack

ASRock Rack E3C256D4U-2L2T server motherboard

SKU CH-Z66K-JQX8W MPN E3C256D4U-2L2T

Micro-ATX server motherboard supporting Intel Xeon E-2300 or 10th Gen Pentium CPUs with four DDR4 ECC slots, dual 10GbE and dual 1GbE LAN, eight SATA ports, plus two M.2 and three PCIe expansion slots

  • CPU Socket TypeSingle Socket H5 (LGA1200)
  • CPU TypeSupports Intel Xeon E-2300 and 10th Gen Intel Pentium series
  • Number of Processor Support1
  • North BridgeIntel C256
  • Number of DDR4 Slots4 DIMM slots (2DPC)
  • DDR4 StandardSupported Type: Supports DDR4 288-pin ECC/non-ECC UDIMM Max.
  • Supports Intel Xeon E-2300 and 10th Gen Intel Pentium processors
  • 4 DDR4 DIMM slots with ECC and non-ECC UDIMM support up to 32GB each
  • Dual 10GbE and dual 1GbE LAN ports for high-speed networking
  • 8 SATA 6Gb/s ports with RAID 0/1/5/10 support
  • Two M.2 slots and three PCIe slots including PCIe 4.0 x16

Micro-ATX server board for single-socket Xeon

The ASRock Rack E3C256D4U-2L2T fits Micro-ATX chassis and accepts one LGA1200 processor from the Intel Xeon E-2300 or 10th Gen Pentium families. Four DDR4 DIMM slots support ECC or non-ECC UDIMM up to 32 GB each. Dual 10 GbE and dual 1 GbE ports handle segregated traffic without extra cards.

Sustained-load behaviour with PCIe lane allocation

Under continuous throughput the primary x16 and x4 slots run at PCIe 4.0 speeds when a Xeon E-2300 CPU is installed, while 10th Gen Pentium processors limit the x16 slot to PCIe 3.0 and disable the x4 slot. The Aspeed AST2500 provides constant remote management video independent of the main GPU. Eight SATA 6 Gb/s ports with RAID 0, 1, 5, 10 maintain steady array performance during rebuilds.

LGA1200 socket decides processor compatibility

Only Intel Xeon E-2300 and 10th Gen Pentium series CPUs listed in the vendor support list will operate on this board. Builders needing other socket types or newer processor generations must select a different motherboard.

Highlights

  • Supports Intel Xeon E-2300 and 10th Gen Intel Pentium processors
  • 4 DDR4 DIMM slots with ECC and non-ECC UDIMM support up to 32GB each
  • Dual 10GbE and dual 1GbE LAN ports for high-speed networking
  • 8 SATA 6Gb/s ports with RAID 0/1/5/10 support
  • Two M.2 slots and three PCIe slots including PCIe 4.0 x16

Specifications

BrandAsRock Rack
ModelE3C256D4U-2L2T
CPU Socket TypeSingle Socket H5 (LGA1200)
CPU TypeSupports Intel Xeon E-2300 and 10th Gen Intel Pentium series processors
Number of Processor Support1
North BridgeIntel C256
Number of DDR4 Slots4 DIMM slots (2DPC)
DDR4 StandardSupported Type: Supports DDR4 288-pin ECC/non-ECC UDIMM
Max. DIMM Frequency:
ECC/non-ECC UDIMM: max. 3200*MHz
*Up to DDR4 2666MHz when installing 10th Gen Intel Pentium Series Processors
Maximum Memory SupportedMax. Capacity per DIMM: ECC/non-ECC UDIMM: up to 32GB
PCI Express 4.0 x16SLOT6: PCIe4.0* x16 [CPU]
*When installing 10th Gen Intel Pentium Series Processors, SLOT6 supports PCIe3.0 only and SLOT4 will not function
PCI Express x4SLOT4: PCIe4.0* x4 [CPU]
PCI Express x1SLOT7: PCIe3.0 x1 [PCH]
SATA8 x SATA 6.0Gb/s
SATA RAID0/1/5/10
M.21 M-key* (PCIe3.0 x4 or SATA 6Gb/s); support 22110/2280/2260 form factor [PCH]
1 M-key (PCIe3.0 x4); support 2280/2260 form factor [PCH]
*SATA0 will be disabled when M2_1 populated with SATA device
Onboard Video ChipsetAspeed AST2500
LAN ChipsetIntel X710-AT2: 2 RJ45 (10GbE)
LAN Speed10Gbps
Second LAN ChipsetIntel i210: 2 RJ45 (1GbE)
Second LAN Speed10/100/1000Mbps
Max LAN Speed10Gbps
Back I/O Ports1 DB15, 1 DB9, 4 Type-A (USB3.2 Gen1), 2 RJ45 (10GbE), 2 RJ45 (1GbE), 1 HDMI, 1 dedicated IPMI LAN port
Other ConnectorsInternal Connector/Headers
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
Video output: 1
Speaker Header: 1
Buzzer: 1
Fan Header: 7 (4-pin)
Thermal Sensor Header: 1
TPM Header: 1 (13-pin, SPI)
SGPIO Header: 1
SMBus header: 1
PMB header: 1
IPMB Header: 1
Clear CMOS: 1 (contact pads)
Front Lan LED Connector: 1
USB 3.2 (Gen1) Header: 1 (19-pin, 2 USB3.2 Gen1)
USB 2.0 Header: 1 (9-pin, 2 USB2.0)
NMI Header: 1
Power Connector: 1 (24-pin, A
Form FactorMicro ATX
Dimensions (W x L)9.6" x 9.6"
Shipping weight1.09 kg
Package size305 × 287 × 71 mm

Questions about this item

How much power does the Aspeed AST2500 video chipset draw during continuous operation?

The Aspeed AST2500 is a low-power management controller; its draw is a small fraction of the board total, which is dominated by the installed Xeon E-2300 or Pentium processor and DDR4 memory population.

Which processor and memory must I supply for this LGA1200 board to POST?

You need one Intel Xeon E-2300 or 10th Gen Pentium CPU plus at least one DDR4 288-pin ECC or non-ECC UDIMM up to 32 GB per slot.

Will my existing PCIe 3.0 x8 RAID card work in the PCIe 4.0 x16 slot when I keep a 10th Gen Pentium CPU?

With a 10th Gen Pentium the x16 slot runs at PCIe 3.0 speeds, so a PCIe 3.0 x8 card will function normally; the x4 slot is disabled in that configuration.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.