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Small square green circuit board with silver sockets and black heatsinks

ASRock

ASRock X299E-ITX/AC LGA 2066 Intel X299 Mini ITX motherboard

SKU CH-06PT-745B5

Mini ITX board for LGA 2066 Core X CPUs with quad-channel DDR4, dual gigabit LAN, 802.11 ac Wi-Fi and three M.2 slots

  • ProcessorCore X series (LGA2066) * Supports 28 and 44 PCIe lane proce
  • ChipsetIntel X299
  • Form factorMini ITX
  • CPU socketLGA 2066
  • CPU technologiesTurbo Boost Technology 3.0
  • Memory slot count4 × 260pin
  • Quad-channel DDR4 up to 4000 MHz OC for high memory bandwidth
  • Dual Intel Gigabit LAN with I219-V and I211-AT controllers
  • Intel 802.11 ac Wi-Fi 8265 with MU-MIMO and dual-band 2.4/5 GHz
  • Three Ultra M.2 sockets supporting 2230, 2242, 2260 and 2280 modules
  • Six SATA3 6.0 Gb/s ports with RAID 0, 1, 5, 10 support

LGA 2066 Mini ITX platform

The ASRock X299E-ITX/AC is an Intel X299 motherboard in the Mini ITX form factor. It accepts Core X series processors that expose 28 or 44 PCIe lanes. Four-core models with 16 lanes are not supported. Builders needing high core counts in a compact chassis can use this board.

Quad channel DDR4 and PCIe 3.0 x16 limits

Four SO-DIMM slots deliver quad channel DDR4 up to 64 GB with overclocked speeds reaching 4000 MHz. A single PCI Express 3.0 x16 slot runs at x16 electrical mode, so only one graphics card or accelerator fits. Six SATA3 6.0 Gb/s ports provide RAID 0, 1, 5 and 10 alongside NCQ and hot plug.

Three M.2 sockets with mixed wiring

One Ultra M.2 socket supports both SATA and PCIe Gen3 x4 drives up to 32 Gb/s in 2230, 2242, 2260 and 2280 lengths. Two additional Ultra M.2 sockets accept 2280 PCIe modules only. The mix of SATA and PCIe wiring on the first slot decides which drive types can be installed simultaneously.

How it compares

Measured against everything we stock in Motherboards for Intel CPUs, at today’s prices. Recalculated every night.

Price $241.99
Pricier than about 86% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameASRock
Processor
CPU socketLGA 2066
ChipsetIntel X299
CPU technologiesTurbo Boost Technology 3.0
Memory
Memory slot count4 × 260pin
Max supported RAM64 GB
Memory channelsQuad Channel
Storage
SATA ports6 x SATA3 6.0Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug
M.2 slots1 x Ultra M.2 Socket (M2_1), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x4 (32Gb/s)**
2 x Ultra M.2 Sockets (M2_2 and M2_3), support M Key type 2280 M.2 PCI Express module up to Gen3 x4 (32Gb/s)**
** Supports Intel Optane Technology (M2_1)
** Supports NVMe SSD as boot disks
** Supports Virtual RAID On CPU (M2_2 and M2_3)
SATA and RAID support0/1/5/10
Graphics
Onboard video chipNone
Audio & video
Audio chipRealtek ALC1220
Sound channels7.1 Channels
Connectivity
Ethernet controllerIntel I219-V
Second LAN controllerIntel I211-AT
Maximum network speed2 × 1 Gbit/s
Wi-Fi standardIntel 802.11 ac Wi-Fi Module 8265
Supports IEEE 802.11 a/b/g/n/ac
Supports Dual-Band (2.4/5 GHz with 80 MHz bandwidth and MU-MIMO)
Supports high speed wireless connections up to 867 Mbit/s
2 antennas to support 2 (Transmit) x 2 (Receive) diversity technology
Bluetooth support4.2 / 3.0 + High speed class II
Ports & slots
PCIe 3.0 x16 slots1 x PCI Express 3.0 x16 Slot (PCIE1: x16 mode)
Ethernet port2 x RJ-45 LAN Ports with LED (ACT/LINK LED and SPEED LED)
USB 3.1 ports1 x USB 3.1 Gen2 Type-A Port (10Gb/s) (ASMedia ASM3142) (Supports ESD Protection)
4 x USB 3.1 Gen1 Ports (Supports ESD Protection)
USB-C ports1 x USB 3.1 Gen2 Type-C Port (10Gb/s) (ASMedia ASM3142) (Supports ESD Protection)
S/PDIF output1 x Optical
Audio jacksHD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)
Onboard USB headers1 x USB 2.0 Header (Supports 2 USB 2.0 ports) (Supports ESD Protection)
1 x USB 3.1 Gen1 Header (Supports 2 USB 3.1 Gen1 ports) (ASMedia ASM1074 Hub) (Supports ESD Protection)
Power
Power connectors1 × 24-pin ATX Power Connector (Hi-Density Power Connector)
1 × 8-pin 12 V Power Connector (Hi-Density Power Connector)
Size & build
Form factorMini ITX
Width and length6.7 in × 6.7 in
More details
LightingRGB

Questions about this item

Will a 4-core LGA 2066 processor work with this board?

No, the board only supports 28 and 44 PCIe lane processors (6-core and above). 16-lane 4-core CPUs are not supported.

What is the maximum memory capacity and channel configuration?

The board supports up to 64 GB of DDR4 across four 260-pin slots running in quad-channel mode.

Which M.2 lengths are supported and what interfaces do they use?

One socket accepts 2230, 2242, 2260 and 2280 drives with either SATA 6.0 Gb/s or PCIe 3.0 x4. Two additional sockets accept 2280 PCIe 3.0 x4 drives only.

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