Is this board missing 2 stand-off holes on the right edge?

Not exactly. The two places where the additional holes would be are devoid of components and that section of the board requires no support. Just remove the two standoffs from your case. If the standoffs are welded in place, then two strips of electrical tape on the standoffs to insulate them from the board works great. This was my largest problem with the board, though I’m sure it’s still well within mATX dimensioning spec.

Does the bios have "sync all cores?" Can I change the baseclock and multiplier? What if I want to under clock?

Hit one toggle to set all cores to the same clock. In the case of my 7700K, that meant all 4 cores at 4.5ghz with no fiddling. A second setting lets you select a specific multiplier. I'm not certain if that allowed for sub-40x options.

Technically yes, but in a 16x+4x configuration. If you really want SLI, then an 8x+8x configuration for the PCIe slots is preferable. In addition, the second 16x slot on this board is too far down to put a second card in a mATX case. Really though, skip SLI. Just buy a better single card with the same money. SLI is a poor solution to a rendering problem. In that case, the single 16x slot in this board is great.

I don't see an optical S/PDIF Out port which is listed under "Rear Panel Ports" ?

Thanks for this question. I didn't notice that until you mentioned it.

I do not see a DisplayPort connector, although the NewEgg description says that there is one. Is this an error in the spec listings?

No DisplayPort, just HDMI, DVI, and VGA.

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ASUS PRIME Z270M-PLUS LGA 1151 Intel Z270 HDMI USB 3.1 Micro ATX Motherboards - Intel

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Intel Z270
Intel Socket 1151 for 7th/6th Generation Core i7/Core i5/Core i3/Pentium/Celeron Processors
* Not Compatible with Intel 8th Gen CPUs
DDR4 3866(O.C.)/ 3733(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3400(O.C.)/ 3333(O.C.)/ 3300(O.C.)/ 3200(O.C.)/ 3000(O.C.)/ 2800(O.C.)/ 2666(O.C.)/ 2400(O.C.)/ 2133
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
* The maximum memory frequency supported varies by processor.

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Overview

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Model
Brand	ASUS
Model	PRIME Z270M-PLUS

Supported CPU
CPU Socket Type	LGA 1151
CPU Type	Intel Socket 1151 for 7th/6th Generation Core i7/Core i5/Core i3/Pentium/Celeron Processors * Not Compatible with Intel 8th Gen CPUs
Supported CPU Technologies	Supports Intel Turbo Boost Technology 2.0 * The Intel Turbo Boost Technology 2.0 support depends on the CPU types.

Chipsets
Chipset	Intel Z270

Onboard Video
Onboard Video Chipset	Integrated Graphics Processor - Intel HD Graphics support Multi-VGA output support: HDMI/DVI-D/RGB ports - Supports VGA with max. resolution 1920 x 1200 @ 60 Hz - Supports HDMI 1.4b with max. resolution 4096 x 2160 @ 24 Hz / 2560 x 1600 @ 60 Hz - Supports DVI-D with max. resolution 1920 x 1200 @ 60 Hz Maximum shared memory of 1024MB Supports up to 3 displays simultaneously

Memory
Number of Memory Slots	4x288pin (DDR4)
Memory Standard	DDR4 3866(O.C.)/ 3733(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3400(O.C.)/ 3333(O.C.)/ 3300(O.C.)/ 3200(O.C.)/ 3000(O.C.)/ 2800(O.C.)/ 2666(O.C.)/ 2400(O.C.)/ 2133 * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists). * The maximum memory frequency supported varies by processor.
Maximum Memory Supported	64GB
Channel Supported	Dual Channel

Expansion Slots
PCI Express 3.0 x16	1 x PCIe 3.0/2.0 x16 (x16 mode) 1 x PCIe 3.0/2.0 x16 (max at x4 mode)
PCI Express x1	2 x PCIe 3.0/2.0 x1

Storage Devices
Serial ATA (SATA)	4 x SATA 6Gb/s port(s), gray
M.2	2 x M.2 Socket 3 1, with M Key, type 2242/2260/2280 storage devices support (SATA mode & X4 PCIE mode) 1 When a device in SATA mode is installed on the M.2_1 socket, SATA_1 port cannot be used.
SATA RAID	0/1/5/10

Onboard Audio
Audio Chipset	Realtek ALC887
Audio Channels	8 Channels

Onboard LAN
LAN Chipset	Intel I219-V
Max LAN Speed	1Gbps

Rear Panel Ports
PS/2	1 x PS/2 keyboard (purple) 1 x PS/2 mouse (green)
Video Ports	1 x DVI-D 1 x D-Sub
HDMI	1 x HDMI
RJ45	1 x RJ45
USB 3.1	2 x USB 3.1 Gen 1 (blue) Type-A
USB 1.1/2.0	2 x USB 2.0
USB Type-C	1 x 5Gb/s port(s) USB Type-C (support 3A power output)
Audio Ports	1 x 8-channel Audio I/O

Internal I/O Connectors
Onboard USB	2 x USB 3.1 Gen 1 connector(s) support(s) additional 4 USB 3.1 Gen 1 port(s) (19-pin) 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
Other Connectors	1 x MONO out header * 1 x CPU Fan connector(s) (1 x 4-pin) 2 x Chassis Fan connector(s) (2 x 4-pin) 1 x S/PDIF out header(s) 1 x Front panel audio connector(s) (AAFP) 1 x Clear CMOS jumper(s) 1 x System panel connector 1 x COM port header * Use with amplified speaker is suggested

Physical Spec
Form Factor	Micro ATX
Dimensions (W x L)	9.6" x 9.4"
Power Pin	1 x 24-pin EATX Power connector(s) 1 x 8-pin ATX 12V Power connector(s)

Features
Features	Multi-GPU Support: Supports AMD CrossFireX Technology Special Features: ASUS 5X Protection III: - ASUS SafeSlot Core: Fortified PCIe Slot prevents damage - ASUS LANGuard: Protects against LAN surges, lightning strikes and static-electricity discharges! - ASUS Overvoltage Protection: World-class circuit-protecting power design - ASUS Stainless-Steel Back I/O: 3X corrosion-resistance for greater durability! - ASUS DIGI+ VRM: 7 Phase digital power design ASUS EPU: - EPU ASUS Exclusive Features: - AI Suite 3 - Ai Charger ASUS Quiet Thermal Solution: - Stylish Fanless Design Heat-sink solution & MOS Heatsink - ASUS Fan Xpert 4 Core ASUS EZ DIY: - ASUS O.C. Tuner - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode ASUS Q-Design: - ASUS Q-Slot - ASUS Q-DIMM Overclocking Protection: - ASUS C.P.R. (CPU Parameter Recall) M.2 Onboard (The latest transfer technologies with up to 32Gb/s data transfer speeds) BIOS: 128MB Flash ROM, UEFI AMI BIOS, PnP, DMI3.0, WfM2.0, SM BIOS 3.0, ACPI 6.0, Multi-language BIOS, ASUS EZ Flash 3, CrashFree BIOS 3, F11 EZ Tuning Wizard, F6 Qfan Control, F3 My Favorites, Last Modified log, F12 PrintScreen, and ASUS DRAM SPD (Serial Presence Detect) memory information Manageability: WfM 2.0, DMI 3.0, WOL by PME, PXE Support Disc: Drivers ASUS Utilities ASUS EZ Update Anti-virus software (OEM version) Operating System: Windows 10 64-bit Windows 8 64-bit Windows 7 32-bit Windows 7 64-bit * Windows 8.1 64-bit and Windows 7 32/64-bit are only supported when using 6th Generation Intel Processors

Packaging
Package Contents	Accessories: User's manual 2 x SATA 6Gb/s cable(s) 1 x M.2 Screw Package 1 x SCD

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First Listed on Newegg	June 05, 2022

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