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Black ATX motherboard with silver heatsinks, installed CPU and four black memory modules

Avarum

Avarum ROG STRIX Z390-E Gaming Combo i5-8400 64GB DDR4 embedded solution

SKU CH-3AYD-S2S6M

Pre-built ATX platform combining a Z390 motherboard, Core i5-8400 processor and 64 GB of 2666 MHz DDR4 memory

  • ProcessorCore i7 / i5 / i3 (8th Gen, LGA1151)
  • Memory sizeAvarum DDR4 16 GB 2666 MHz UDIMM * 4
  • ProcessorIntel Core i5-8400
  • Form factorATX
  • CPU socketLGA 1151
  • Network speed10/100/1000 Mbit/s
  • Ready-to-build combo with motherboard, CPU and 64 GB DDR4
  • Intel Core i5-8400 6-core processor for everyday performance
  • ASUS ROG STRIX Z390-E GAMING ATX board with LGA 1151 socket
  • Four 16 GB 2666 MHz DDR4 modules fill all slots
  • Dual-channel memory architecture up to 128 GB maximum

Ready-to-Run Z390 Platform

This bundle pairs an ASUS ROG STRIX Z390-E GAMING motherboard with an Intel Core i5-8400 processor and 64 GB of Avarum DDR4 2666 MHz memory in a four-module kit. The board uses the LGA 1151 socket and Z390 chipset to support 8th and 9th Generation Intel Core, Pentium Gold and Celeron CPUs. It arrives as a matched set so builders can assemble a working system without sourcing parts separately.

Suits Single-Socket Desktop Builds

The combination targets enthusiasts and system integrators who want a pre-validated motherboard, CPU and memory package for a standard ATX chassis. It is not suited for buyers who need a bundled cooler, multi-processor capability or ECC memory support. The four populated DIMM slots leave no room for further memory expansion without removing modules.

Four-Module 64 GB DDR4 2666 Kit

Memory ships as four 16 GB UDIMMs running at 2666 MHz, filling every slot on the dual-channel controller. Maximum supported capacity is 128 GB, but reaching that figure requires replacing the installed kit with higher-density modules. The single specification that decides fit is the 2666 MHz DDR4 UDIMM format across four 288-pin slots.

How it compares

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

Price $811.99
Pricier than about 92% of the 117 comparable items (median $72.99).
Memory size Avarum DDR4 16 GB 2666 MHz UDIMM * 4
Higher than about 60% of the 25 comparable items (median 8 GB).

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 nameASUS
Model nameROG STRIX Z390-E GAMING
Processor
ProcessorIntel Core i5-8400
CPU socketLGA 1151
Memory
Memory sizeAvarum DDR4 16 GB 2666 MHz UDIMM * 4
Memory slot count4 × 288pin
Supported memoryDDR4 2666
Max supported RAM128 GB
Memory channelsDual Channel
Storage
SATA ports6 x SATA 6Gb/s
SATA and RAID support0/1/5/10
Audio & video
Audio chipROG SupremeFX 8-Channel High Definition Audio CODEC S1220A
Sound channels8 Channels * Due to limitations in HDA bandwidth, 32-Bit/192 kHz is not supported for 8-Channel audio.
Connectivity
Network speed10/100/1000 Mbit/s
Ethernet controllerIntel I219-V
Wi-Fi standardIntel Wireless-AC 9560 Wi-Fi 802.11 a/b/g/n/ac Supports dual band frequency 2.4/5 GHz Supports MU-MIMO
Bluetooth support5.0
Ports & slots
PCIe x16 slots2 x PCIe 3.0/2.0 x16 (x16 or dual x8) 1 x PCIe 3.0/2.0 x16 (max at x4 mode)
PCIe x1 slots3 x PCIe 3.0/2.0 x1
Size & build
Form factorATX
Width and length12 in × 9.6 in ( 30.5 cm × 24.4 cm )
More details
Combo typeMotherboard / CPU / Memory Combo
MotherboardASUS ROG STRIX Z390-E GAMING
With coolerNo

Questions about this item

How do I install the CPU into the LGA 1151 socket on this motherboard?

Lift the retention arm, align the triangle on the Intel Core i5-8400 with the socket corner, place it gently without force, lower the arm and lock it. The step people miss is removing the plastic cover only after the CPU sits flat.

What maintenance or replacement will the 64GB DDR4 2666MHz memory need later?

The four 16GB UDIMM modules run at 2666 MHz with no ECC. Dust the slots annually; if a stick fails, replace it with another DDR4 2666MHz non-ECC UDIMM — maximum supported is 128GB across the four 288-pin slots.

What thermal limit appears first when the i5-8400 runs sustained loads without a cooler?

The combo ships with no cooler. Under continuous load the CPU will hit its thermal throttle point within seconds, forcing frequency down to protect itself. A compatible LGA 1151 cooler must be fitted before first power-on.

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