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| Brand | ASRock |
|---|---|
| Model | B250 Pro4 |
| CPU Socket Type | LGA 1151 |
|---|---|
| CPU Type | Celeron / Core i3 / Core i5 / Core i7 / Intel Core 6th Gen (LGA 1151) / Intel Core 7th Gen (LGA 1151) / Pentium |
| Supported CPU Technologies | Turbo Boost Technology 2.0 * Not Compatible with Intel 8th Gen CPUs |
| Chipset | Intel B250 |
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| Onboard Video Chipset | * Intel HD Graphics Built-in Visuals and the VGA outputs can be supported only with processors which are GPU integrated. - Supports Intel HD Graphics Built-in Visuals: Intel Quick Sync Video with AVC, MVC (S3D) and MPEG-2 Full HW Encode1, Intel InTruTM 3D, Intel Clear Video HD Technology, Intel InsiderTM, Intel HD Graphics - Gen9 LP, DX11.3, DX12 - HWAEncode/Decode: VP8, HEVC 8b, VP9, HEVC 10b (For 7th Gen Intel CPU) - HWA Encode/Decode: VP8 , HEVC 8b; GPU/SWEncode/Decode: VP9, HEVC 10b (For 6th Gen Intel CPU) - Max. shared memory 1024MB * The size of maximum shared memory may vary from different operating systems. - Three graphics output options: D-Sub, DVI-D and HDMI - Supports Triple Monitor - Supports HDMI with max. resolution up to 4K x 2K (4096x2160) @ 24Hz / (3840x2160) @ 30Hz - Supports DVI-D with max. resolution up to 1920x1200 @ 60Hz - Supports D-Sub with max. resolution up to 1920x1200 @ 60Hz - Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI Port (Compliant HDMI monitor is required) - Supports HDCP with DVI-D and HDMI Ports - Supports Full HD 1080p Blu-ray (BD) playback with DVI-D and HDMI Ports |
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| Number of Memory Slots | 4x288pin (DDR4) |
|---|---|
| Memory Standard | DDR4 2400/2133 * 7th Gen Intel CPU supports DDR4 up to 2400; 6th Gen Intel CPU supports DDR4 up to 2133. |
| Maximum Memory Supported | 64GB |
| Channel Supported | Dual Channel |
| PCI Express 3.0 x16 | 2 x PCI Express 3.0 x16 Slots (PCIE2: x16 mode; PCIE4: x4 mode)* * Supports NVMe SSD as boot disks * If PCIE5 slot or PCI slot is occupied, PCIE4 slot will run at x2 mode. |
|---|---|
| PCI Express x1 | 3 x PCI Express 3.0 x1 Slots (Flexible PCIe) |
| PCI Slots | 1 x PCI Slot |
| Other Slots | 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module** ** M.2 Socket (Key E) and PCIE3 slot share lanes. If either one of them is in use, the other one will be disabled. |
| Serial ATA (SATA) | 6 x SATA3 6.0 Gb/s Connectors, support NCQ, AHCI and Hot Plug* * If M2_1 is occupied by a SATA-type M.2 device, SATA3_5 will be disabled. * If M2_2 is occupied by a SATA-type M.2 device, SATA3_0 will be disabled. |
|---|---|
| M.2 | 1 x Ultra M.2 Socket (M2_1), supports type 2230/2242/2260/2280 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s)** 1 x M.2 Socket (M2_2), supports type 2230/2242/2260/2280 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x2 (16 Gb/s)** ** Supports Intel OptaneTM Technology (M2_1 only) ** Supports NVMe SSD as boot disks ** Supports ASRock U.2 Kit |
| Audio Chipset | Realtek ALC892 |
|---|---|
| Audio Channels | 7.1 Channels |
| LAN Chipset | Intel I219-V |
|---|---|
| Max LAN Speed | 1Gbps |
| PS/2 | 1 x PS/2 keyboard/mouse port |
|---|---|
| Video Ports | 1 x D-Sub Port 1 x DVI-D Port |
| HDMI | 1 x HDMI |
| RJ45 | 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) |
| USB 3.0 | 3 x USB 3.0 Type-A Ports (Supports ESD Protection (ASRock Full Spike Protection)) |
| USB 1.1/2.0 | 1 x USB 2.0 Port (Supports ESD Protection (ASRock Full Spike Protection)) |
| USB Type-C | 1 x USB 3.0 Type-C Port (Supports ESD Protection (ASRock Full Spike Protection)) |
| Audio Ports | HD Audio Jacks: Line in / Front Speaker / Microphone |
| Antenna Connectors | 2 x Antenna Ports |
| Onboard USB | 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection (ASRock Full Spike Protection)) 1 x USB 3.0 Header (Supports 2 USB 3.0 ports) (Supports ESD Protection (ASRock Full Spike Protection)) |
|---|---|
| Other Connectors | 1 x COM Port Header 1 x TPM Header 1 x Chassis Intrusion Header 1 x Power LED and Speaker Header 1 x CPU Fan Connector (4-pin) * The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power. 2 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control) 1 x Chassis Optional/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control) * The Chassis Optional/Water Pump Fan supports the water cooler fan of maximum 1.5A (18W) fan power. * CHA_FAN2 can auto detect if 3-pin or 4-pin fan is in use. 1 x 24-pin ATX Power Connector 1 x 8-pin 12V Power Connector 1 x Front Panel Audio Connector 1 x Thunderbolt AIC Connector (5-pin) 1 x Thunderbolt AIC Connector (10-pin) * Only one Thunderbolt AIC Card is supported. |
| Form Factor | ATX |
|---|---|
| Dimensions (W x L) | 12.0" x 8.8" |
| Features | Unique Feature ASRock Super Alloy - XXL Aluminum Alloy Heatsink - Premium 40A Power Choke - I/O Armor - Sapphire Black PCB - High Density Glass Fabric PCB ASRock Intel 4-Layer Memory POOL (Planes on Outer Layers) Technology ASRock Ultra M.2 (PCIe Gen3 x4 & SATA3) ASRock Full Spike Protection ASRock Live Update & APP Shop BIOS Feature - 128MB AMI UEFI Legal BIOS with multilingual GUI support - ACPI 6.0 Compliant wake up events - SMBIOS 2.7 Support - CPU, GT_CPU, DRAM, VPP, PCH 1.0V, VCCIO, VCCST, VCCSA, VCCPLL Voltage Multi-adjustment Support CD - Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar Software - ASRock OBR (OS Backup & Recovery) - ASRock APP Charger - ASRock XFast LAN * These utilities can be downloaded from ASRock Live Update & APP Shop. UEFI - ASRock EZ Mode - ASRock Full HD UEFI - ASRock My Favorites in UEFI - ASRock Instant Flash - ASRock Internet Flash - ASRock Crashless BIOS - ASRock UEFI Tech Service Hardware Monitor - CPU / Chassis / Chassis Optional/Water Pump temperature sensing - CPU / Chassis / Chassis Optional/Water Pump Fan Tachometer - CPU / Chassis / Chassis Optional/Water Pump Quiet Fan (Auto adjust chassis fan speed by CPU temperature) - CPU / Chassis / Chassis Optional/Water Pump Fan multi-speed control - CASE OPEN detection - Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore, DRAM, VPP, PCH 1.0V, VCCIO, VCCSA, VCCST OS - Microsoft Windows 10 64-bit (For 7th Gen Intel CPU) - Microsoft Windows 10 64-bit / 8.1 64-bit / 7 32-bit / 7 64-bit (For 6th Gen Intel CPU) * To install Windows 7 OS, a modified installation disk with xHCI drivers packed into the ISO file is required. Please check our User Manual for more detailed instructions. * For the updated Windows 10 driver, please visit ASRock's website for details. Certifications - FCC, CE, WHQL, RCM, BSMI - ErP/EuP ready (ErP/EuP ready power supply is required) |
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| First Listed on Newegg | September 16, 2025 |
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