Does this motherboard support 3200 RAM or will I lose value using RAM at that speed? The specs say the memory standard is: DDR4 4000(O.C.)/ 3600(O.C.)/ 2666/ 2400/ 2133

if you look under Specifications your answer is this: DDR4 4000(O.C.)/ 3600(O.C.)/ 2666/ 2400/ 2133 * Hyper DIMM support is subject to the physical characteristics of individual CPUs.

Can someone please tell me what are all the RAM that is compatible with the Prime x299 A?

The supported RAM is based on the processor and you can see that here: Intel® Core™ X-series Processors (6-core above) 8 x DIMM, Max. 128GB, DDR4 4000(O.C.)/3600(O.C.)/2666/2400/2133 MHz Non-ECC, Un-buffered Memor y Intel® Core™ X-series Processors (4-core) 4 x DIMM, Max. 64GB, DDR4 4000(O.C.)/3600(O.C.)/2666/2400/2133 MHz Non-ECC, Un-buffered Memory

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ASUS PRIME X299-A LGA2066 DDR4 M.2 USB 3.1 X299 ATX Motherboard for Intel Core i9 and i7 X-Series Processors

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Option: Prime X299-A

Prime X299-A
Prime X299-A II
Prime X299-Deluxe
Prime X299-Deluxe II
Prime X299 Edition 30
ROG RAMPAGE VI EXTRME OMEGA
ROG Strix X299-E Gaming
ROG Strix X299-E Gaming II
TUF X299 Mark 1
TUF X299 Mark 2
WS X299 PRO
WS X299 PRO/SE
WS X299 SAGE

Designed for 7th generation LGA2066 socket Intel Core X-Series processors to maximize connectivity and speed with onboard dual M.2, front panel USB 3.1, gigabit LAN, Intel VROC, and Intel Optane Memory compatibility
5-Way Optimization with Auto-Tuning and FanXpert 4 automatically tailors overclocking profiles to your unique build for maximum OC performance and dynamic system cooling
SafeSlot (3X) features an injection molding process that integrates metal framing for a stronger, firmly anchored PCIe slot built for heavyweight GPUs
Unmatched Personalization with ASUS exclusive AURA Sync RGB lighting, two additional RGB headers and 3D-printing mounts to customize your build
Industry-leading 8-channel HD audio enhanced by ASUS exclusive Realtek S1220A featuring Crystal Sound 3 and driven by Japanese capacitors for warm, immersive sound

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Overview

Specs

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MAIN OVERVIEW FEATURES: Chipset Manufacturer: IntelTotal Processor Supported: 1Processor Socket: Socket R4 LGA-2066Processor Supported: CoreNumber of Memory Slots: 8Memory Form Factor: UDIMM,DIMMMaximum Memory: 128 GBMemory Speed Supported: 4 GHz (O.C.),3.60 GHz (O.C.),2.67 GHz,2.40 GHz,2.13 GHzMemory Technology: DDR4 SDRAMIntel Optane Memory Ready: YesController Type: Serial ATA/600RAID Supported: YesRAID Levels: 10,5,1,0Audio Channels: 7.1Gigabit Ethernet: YesNumber of Total Expansion Slots: 6Total Number of PCI Express Slots: 6Number of PCI Express x1 Slots: 1Number of PCI Express x4 Slots: 2Number of PCI Express x16 Slots: 3Total Number of USB Ports: 8Number of USB 3.1 Ports: 6S/PDIF: YesNumber of SATA Interfaces: 8Number of M.2 Interfaces: 2Total Number of Onboard USB Ports: 7Number of Onboard USB 3.1 Ports: 5Form Factor: ATXWidth: 12"Depth: 9.6"Package Contents: Prime X299-A Desktop Motherboard User's Manual ASUS Q-Shield 1 x Vertical M.2 Bracket Set 4 x SATA 6Gb/s Cable(s) 1 x M.2 Screw Package 1 x Supporting DVD 1 x SLI HB BRIDGE(2-WAY-M) 1 x Q-Connector Environmentally Friendly: YesEnvironmental Certification: RoHSLimited Warranty: 3 Year

Model
Brand	ASUS
Model	Prime X299-A

Supported CPU
CPU Socket Type	LGA 2066
CPU Type	Core X series (LGA2066)
Supported CPU Technologies	The Intel Turbo Boost Max Technology 3.0 support depends on the CPU types * Refer to www.asus.com for CPU support list

Chipsets
Chipset	Intel X299

Onboard Video
Onboard Video Chipset	None

Memory
Number of Memory Slots	Core X-series Processors (6-core above): 8 x 288pin Core X-series Processors (4-core): 4 x 288pin
Memory Standard	DDR4 4000(O.C.)/ 3600(O.C.)/ 2666/ 2400/ 2133 * Hyper DIMM support is subject to the physical characteristics of individual CPUs. ** Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
Maximum Memory Supported	Core X-series Processors (6-core above): 128GB Core X-series Processors (4-core): 64GB

Expansion Slots
PCI Express 3.0 x16	44-Lane CPU- 3 x PCIe 3.0/2.0 x16 (x16, x16/x16, x16/x16/x8) 28-Lane CPU- 3 x PCIe 3.0/2.0 x16 (x16, x16/x8, x16/x8/x1)* 16-Lane CPU- 3 x PCIe 3.0/2.0 x16 (x16, x8/x8, x8/x8/x1)* * PCIEX16_3 share bandwidth with PCIEX4_1 when using x28 or x16 lane CPU
PCI Express x4	2 x PCIe 3.0 x4 (max at x4 mode) * * PCIEX4_1 max. at x1 mode, PCIEX4_2 max. at x4 mode
PCI Express x1	1 x PCIe 3.0/2.0 x1 PCIEX1_1 shares bandwidth with Front USB 3.1 GEN 2

Storage Devices
Serial ATA (SATA)	8 x SATA 6Gb/s
M.2	1 x M.2 x4 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x4 mode) 1 x M.2 x4 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (PCIE 3.0 x4 mode)
Intel Optane Ready	Yes
SATA RAID	0/1/5/10

Onboard Audio
Audio Chipset	Realtek ALC S1220A
Audio Channels	8 Channels

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

Rear Panel Ports
RJ45	1 x RJ45
USB 3.1	1 x USB 3.1 Gen 2 4 x USB 3.1 Gen 1
USB 1.1/2.0	2 x USB 2.0 (one port can be switched to USB BIOS Flashback)
USB Type-C	1 x USB 3.1 Gen 2
S/PDIF Out	1 x Optical
Audio Ports	5 Ports

Internal I/O Connectors
Onboard USB	1 x USB 3.1 Gen 2 front panel connector 2 x USB 3.1 Gen 1 connector(s) support(s) additional 4 USB 3.1 Gen 1 port(s) 1 x USB 2.0 connector(s) support(s) additional 2 USB 2.0 port(s)
Other Connectors	1 x AAFP connector 2 x Aura RGB Strip Header 1 x M.2_FAN connector 1 x VROC_HW_Key 1 x CPU Fan connector(s) 1 x CPU OPT Fan connector(s) 2 x Chassis Fan connector(s) 1 x AIO_PUMP connector 1 x W_PUMP+ connector 1 x Thunderbolt header(s) 1 x System panel(s) (Q-Connector) 1 x 5-pin EXT_FAN (Extension Fan) connector 1 x MemOK! button(s) 1 x Thermal sensor connector(s) 1 x Power-on button(s) 1 x Clear CMOS jumper(s) 1 x CPU_OV jumper

Physical Spec
Form Factor	ATX
LED Lighting	RGB
Dimensions (W x L)	12.0" x 9.6"
Power Pin	1 x 24-pin EATX Power connector(s) 1 x 8-pin ATX 12V Power connector(s) 1 x 4-pin ATX 12V Power connector(s)

Features
Features	Multi-GPU Support: Supports NVIDIA Quad-GPU SLI Technology Supports NVIDIA 3-Way SLI Technology Supports NVIDIA 2-Way SLI Technology Supports AMD Quad-GPU CrossFireX Technology Supports AMD 3-Way CrossFireX Technology Special Features: OC Design - ASUS PRO Clock II Technology ASUS Dual Intelligent Processors 5-Way Optimization by Dual Intelligent Processors 5: - 5-Way Optimization tuning key perfectly consolidates TPU, EPU, DIGI+ VRM, Fan Xpert 4, and Turbo Core App AURA: - Aura RGB Strip Headers - Aura Lighting Effects Synchronization with compatible ASUS ROG devices ASUS Exclusive Features: - USB BIOS Flashback - MemOK! - AI Suite 3 - Ai Charger - Onboard Button: Power - ASUS UEFI BIOS EZ Mode featuring friendly graphics user interface - Turbo LAN - Crystal Sound 3 File Transfer - Cloud GO! - File Transfer ASUS EZ DIY: - ASUS EZ Flash 3 - ASUS USB BIOS Flashback - ASUS UEFI BIOS EZ Mode - Multi-language BIOS ASUS Q-Design: - ASUS Q-Shield - ASUS Q-Code - ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED, HDD LED) - ASUS Q-Slot - ASUS Q-DIMM - ASUS Q-Connector Gaming Aesthetics: - 3D printing friendly - AURA-RGB Lighting 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 EZ Update Anti-virus software (OEM version) Operating System: Windows 10 64-bit

Packaging
Package Contents	Accessories: User's manual ASUS Q-Shield 1 x Vertical M.2 bracket set 4 x SATA 6Gb/s cable(s) 1 x M.2 Screw Package 1 x Supporting DVD 1 x SLI HB BRIDGE (2-WAY-M) 1 x Q-Connector

Additional Information
Date First Available	February 27, 2025

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