For sale is my ASRock B450 Pro4 motherboard.It is in good working condition. BIOS has been updated to the latest available as of January 2026. Comes with pre-installed M.2 screws, and an aftermarket I/O shield. Does not come with retail box or any other accessories not pictured.
I may have several of these for sale, so the item you receive may have a slightly different physical condition or different serial numbers or different stickers from the pictured item, and packaging for any pictured accessories may vary. This is a used item, so some scratches or dust are to be expected.Your purchase comes with everything pictured. You are only buying what is pictured, and nothing else. If a cable or something else is not pictured, it is not included!SHIPPING AND PURCHASE TERMSIdo combined shipping discounts! Multiple quantity listings already have automatic shipping discounts included, but multiple items from different listings do not. If you want to purchase from multiple listings from me and you need a shipping adjustment, please contact me and an adjustment will be made after purchase. Shipping discounts on additional items beyond the first item vary, but expect modest to significant savings depending on factors like size, weight, and distance for the package(s). Multiple listing combined shipping discounts are not automatic and must be requested.
Due to increasing amounts of fraudulent buyers using freight forwarders, buyers suspected to be using a freight forwarder will be scrutinized for fraudulent activity, and will require an admission in messages that a freight forwarder is being used for that order. I reserve the right to cancel and refund orders using freight forwarders in order to protect myself from potential fraud.Item serial number will be recorded if present.Signature confirmation will be required on all sales of $750 or more.International buyers READ THIS: International shipping for most countries will be handled by international shipping services. Otherwise it will be shipped with an appropriate USPS, UPS, or FedEx service. Keep in mind, I cannot change customs value of the item and I cannot mark it as gift. Import duties, taxes, and charges aren't included in the item price or postage cost for items not shipped with international shipping. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to offerding or buying.___
Learn more about theASRock B450 PRO4ModelBrandASRockModelB450 PRO4Supported CPUCPU Socket TypeAM4CPU TypeAthlon with Radeon Graphics / Ryzen 1000 Series / Ryzen 2000 Series / Ryzen 2000G Series / Ryzen 3000 Series / Ryzen 3000G Series / Ryzen 4000 Series / Ryzen 4000G Series / Ryzen 5000 Series / Ryzen 5000G SeriesChipsetsChipsetAMD Promontory B450MemoryNumber of Memory Slots4x288pin (DDR4)Memory StandardAMD Ryzen series CPUs (Matisse) support DDR4 3200/ 2933/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*
AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3200+(OC)/ 2933(OC)/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*
AMD Ryzen series CPUs (Picasso) support DDR4 2933/ 2667/ 2400/ 2133 non-ECC, un-buffered memory*
AMD Ryzen series CPUs (Summit Ridge) support DDR4 3200+(OC)/ 2933(OC)/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*
AMD Ryzen series CPUs (Raven Ridge) support DDR4 3200+(OC)/ 2933/ 2667/ 2400/ 2133 non-ECC, un-buffered memory** For Ryzen Series CPUs (Picasso and Raven Ridge), ECC is only supported with PRO CPUs.Maximum Memory Supported64GB
** Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows 32-bit OS. For Windows 64-bit OS with 64-bit CPU, there is no such limitation.Channel SupportedDual ChannelExpansion SlotsPCI Express 3.0 x16AMD Ryzen series CPUs (Matisse, Summit Ridge and Pinnacle Ridge)
- 2 x PCI Express 3.0 x16 Slots (PCIE2: x16 mode; PCIE4: x4 mode)*
AMD Ryzen series CPUs (Picasso, Raven Ridge)
- 2 x PCI Express 3.0 x16 Slots (PCIE2: x8 mode; PCIE4: x4 mode)*
AMD Athlon series CPUs
- 2 x PCI Express 3.0 x16 Slots (PCIE2: x4 mode; PCIE4: x2 mode)** Supports NVMe SSD as boot disks
* If M2_1 is occupied, PCIE4 will be disabledPCI Express x14 x PCI Express 2.0 x1 SlotsStorage DevicesSerial ATA (SATA)4 x SATA3 6.0Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug*
2 x SATA3 6.0Gb/s Connectors by ASMedia ASM1061, support NCQ, AHCI and Hot Plug
* M2_2, SATA3_3 and SATA3_4 share lanes. If either one of them is in use, the others will be disabled.M.21 x Ultra M.2 Socket (M2_1), supports M Key type 2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32Gb/s) (with Matisse, Picasso, Summit Ridge, Raven Ridge and Pinnacle Ridge) or Gen3 x2 (16Gb/s) (with Athlon 2xxGE series APU)**
1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280/22110 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x2 (16Gb/s)**** If M2_1 is occupied, PCIE4 will be disabled
** Supports NVMe SSD as boot disks
** Supports ASRock U.2 KitSATA RAID0/1/10Onboard VideoOnboard Video ChipsetIntegrated AMD Radeon Vega Series Graphics in Ryzen Series APU*
DirectX 12, Pixel Shader 5.0
Shared memory default 2GB. Max Shared memory supports up to 16GB.**
Three graphics output options: D-Sub, HDMI and DisplayPort 1.2
Supports Triple Monitor
Supports HDMI with max. resolution up to 4K x 2K (4096x2160) @ 24 Hz / (3840x2160) @ 30 Hz
Supports DisplayPort 1.2 with max. resolution up to 4K x 2K (4096x2160) @ 60 Hz
Supports D-Sub with max. resolution up to 1920x1200 @ 60 Hz
Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI Port (Compliant HDMI monitor is required)
Supports HDCP 1.4 with HDMI and DisplayPort 1.2 Ports
Supports 4K Ultra HD (UHD) playback with HDMI and DisplayPort 1.2 Ports* Actual support may vary by CPU
** The Max shared memory 16GB requires 32GB system memory installedOnboard AudioAudio ChipsetRealtek ALC892Audio Channels7.1 Channels
* To configure 7.1 CH HD Audio, it is required to use an HD front panel audio module and enable the multi-channel audio feature through the audio driver.Onboard LANLAN ChipsetRealtek RTL8111HMax LAN Speed1GbpsRear Panel PortsBack I/O Ports1 x PS/2 Mouse/Keyboard Port
1 x D-Sub Port
1 x HDMI Port
1 x DisplayPort 1.2
2 x USB 2.0 Ports (Supports ESD Protection)
1 x USB 3.1 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection)
1 x USB 3.1 Gen2 Type-C Port (10Gb/s) (Supports ESD Protection)
4 x USB 3.1 Gen1 Ports (Supports ESD Protection)
1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
HD Audio Jacks: Line in / Front Speaker / MicrophoneInternal I/O ConnectorsOnboard USB2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)
1 x USB 3.1 Gen1 Header (Supports 2 USB 3.1 Gen1 ports) (Supports ESD Protection)Other Connectors1 x COM Port Header
1 x TPM Header
1 x Power LED and Speaker Header
1 x RGB LED Header*
1 x Addressable LED Header**
1 x AMD Fan LED Header***
1 x CPU Fan Connector (4-pin)****
1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)*****
3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)******
1 x Front Panel Audio Connector* Supports in total up to 12V/3A, 36W LED Strip
** Supports in total up to 5V/3A, 15W LED Strip
*** The AMD Fan LED Header supports LED strips of maximum load of 3A (36W) and length up to 2.5M.
**** The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
***** The CPU/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power.
****** The Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power.
****** CPU_FAN2/WP, CHA_FAN1/WP, CHA_FAN2/WP and CHA_FAN3/WP can auto detect if 3-pin or 4-pin fan is in use.Physical SpecForm FactorATXLED LightingRGBDimensions (W x L)12.0" x 8.8"Power Pin1 x 24-pin ATX Power Connector
1 x 8-pin 12V Power ConnectorSoftware FeatureWindows 11Supported___