ASRock B550 Pro4 DDR4 AMD Motherboard

Product ID: B550P
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Key features

Full specs

ModelASRock B550 Pro4
PlatformSupports 3rd Gen AMD AM4 Ryzen
MemorySupports DDR4 4733+ (OC)
Feature6 SATA3, 1 Hyper M.2, 1 M.2

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Specifications

Disclaimer: Product photos are for illustration only — the actual product may differ in colour, packaging or appearance. Specifications and features can change without notice from the manufacturer, so please confirm anything important with our team before you order. Prices, offers and stock are subject to change.

Overview

Basic Information
Supported CPU	- Supports 3rd Gen AMD AM4 Ryzen/ future AMD Ryzen Processors - Digi Power design - 8 Power Phase design
Chipset	AMD B550
BIOS	- 256Mb AMI UEFI Legal BIOS with GUI support - Supports "Plug and Play" - ACPI 5.1 compliance wake up events - Supports jumperfree - SMBIOS 2.3 support - CPU, CPU VDDCR_SOC, DRAM, VPPM, 1.05V_PROM_S5, 2.5V_PROM, +1.8VSB, VDDP Voltage Multi-adjustment
Form Factor	- ATX Form Factor: 12.0-in x 9.6-in, 30.5 cm x 24.4 cm - Solid Capacitor design - 2oz Copper PCB
Audio	- 7.1 CH HD Audio with Content Protection (Realtek ALC1200 Audio Codec) - Premium Blu-ray Audio support - Supports Surge Protection - PCB Isolate Shielding - Individual PCB Layers for R/L Audio Channel - Nahimic Audio
Expansion Slots
PCI	2 x PCI Express 3.0 x1 Slots
M.2 Socket	-1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module
Memory
Type	DDR4
Slots	AMD Ryzen series CPUs (Matisse) - 2 x PCI Express x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode) AMD Ryzen series APUs - 2 x PCI Express x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode) - Supports AMD Quad CrossFireX and CrossFireX
Supported Memory	- Dual Channel DDR4 Memory Technology - 4 x DDR4 DIMM Slots - AMD Ryzen series CPUs (Matisse) support DDR4 4533+(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory - AMD Ryzen series APUs support DDR4 4733+(OC) / 4666(OC) / 4600(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory - Supports Extreme Memory Profile (XMP) memory modules - 15μ Gold Contact in DIMM Slots
Maximum Mamory	128GB
Graphics
Graphics	- Integrated 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.** - Dual graphics output: support HDMI and D-Sub ports by independent display controllers - Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) @ 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 2.1 Port (Compliant HDMI monitor is required) - Supports HDR (High Dynamic Range) with HDMI 2.1 - Supports HDCP 2.3 with HDMI 2.1 Port - Supports 4K Ultra HD (UHD) playback with HDMI 2.1 Port - Supports Microsoft PlayReady
Connector & Ports
HDMI	1 x HDMI Port
USB (s)	- 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection) - 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection) - 4 x USB 3.2 Gen1 Ports (Supports ESD Protection)
LAN Port (s)	- 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
Supported Storage	- 6 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug
Internal I/O Ports	- Antenna Bracket - 1 x PS/2 Mouse/Keyboard Port - 1 x D-Sub Port - 1 x HDMI Port - 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection) - 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection) - 4 x USB 3.2 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 / Microphone
D-Sub (s)	- 1 x D-Sub Port
Warranty Information
Manufacturing Warranty	03 Years Warranty
Others
Special Features	ASRock USB 3.2 Gen2 - ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s) - ASRock USB 3.2 Gen2 Type-C Port (10 Gb/s) ASRock Super Alloy - XXL Aluminum Alloy Heatsink - Premium 50A Power Choke - Sapphire Black PCB - High Density Glass Fabric PCB - 2oz Copper PCB ASRock Steel Slot Gen4 ASRock Full Coverage M.2 Heatsink ASRock Hyper M.2 (PCIe Gen4x4) ASRock POST Status Checker (PSC) ASRock Full Spike Protection (for all USB, Audio, LAN Ports) ASRock Live Update & APP Shop

ASRock B550 Pro4 DDR4 AMD Motherboard

Features sturdy components and completely smooth power delivery to the CPU. Plus, it provides unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well. ASRock B550M along the onboard LAN port, users may also choose 802.11ac wireless connections by M.2 (Key E) slot.. The Sound Tracker is the visual indicator that points out the directions from which predominant sounds are coming. Each sound is properly positioned in 360° on a radar for a full immersion during the game.Whether user is using headphones, a headset, external or internal speakers, via USB, Wi-Fi, analog output or even HDMI, Nahimic Audio offers user the most engaging listening experience, vibrant and rich with details. This motherboard features onboard RGB headers and an addressable RGB header that permits motherboard to be connected to compatible LED devices such as strip, CPU fans, coolers, chassis and many more. Extra large aluminum alloy heat sinks that effectively take away heat from the MOSFET and chipset so that user's whole system may perform more stable. Also, 2oz Copper PCB delivers lower temperature and higher energy efficiency for overclocking. High Density Glass Fabric PCB design that diminishes the gaps between the PCB layers to protect the motherboard from electrical shorts caused by humidity. Packed with a D-Sub + DisplayPort + HDMI combo. Plus the HDMI port supports 4K resolution. Some sensitive digital components on the motherboard are vulnerable to power surges, the excessive current may cause the system to malfunction immediately. ASRock Full Spike Protection includes various technologies to prevent motherboard’s components from being damaged by these unexpected voltage spikes. ASRock Live Update & APP Shop is designed for user's convenience. Provides various apps and support software for users to download.

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Buy ASRock B550 Pro4 DDR4 AMD Motherboard from Ultra Technology

Get the ASRock B550 Pro4 DDR4 AMD Motherboard from Ultra Technology for ৳18,400 and enjoy a stable, feature-rich base for your next build. It's an excellent choice for PC builders who want room to grow at the best price in Bangladesh.

See more from ASRock, explore more ASRock AMD Motherboard, browse our full range of PC Components, or build your own PC with compatible parts. Every order comes with official warranty, 0% EMI on popular bank cards and fast delivery across Bangladesh — or visit our showroom at Multiplan Center, Dhaka.

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No questions yetNot sure about compatibility, warranty or delivery? Ask — our team answers within 24 hours.

Common questions

Does this come with an official warranty?

Yes — official brand warranty. Claims are handled at our RMA & Service Center, Suite 1413, Multiplan Center.

Can I buy this on EMI?

Yes, EMI is available with credit cards of our partner banks on orders over ৳5,000. Tap “View more” under Promotional information to see the monthly amounts.

Is it available at the showroom right now?

Not at the moment. Call 01771-833944 and we'll let you know when the next shipment lands.

How long does delivery take?

Inside Dhaka within 24 hours; outside Dhaka 2–3 working days by courier.

Is it brand new and sealed?

Yes — every unit is brand new in its original sealed box, with the invoice.

Do you give a better price on bulk orders?

Yes — for corporate or bulk orders call 01898-883492 for a quote.