ATX, Dual Channel DDR4, 1 x PCIe 4.0 x16, 3 x PCIe 3.0 x16, 2 x PCIe 3.0 x1, 1 x M.2, 6 x Sata 3, 1 x HDMI
£226.13 inc vat
£188.44 ex vat
A Whole New Design Delivered
Forged with aluminum alloy heatsinnk top cover that effectively improves heat dissipation. Underneath its solid strong cover lie two gaming required M.2 Key M sockets for high speed SSDs.
Hyper M.2 socket that supports PCIe Gen4 x4 while Ultra M.2 socket is capable of running PCIe Gen3 x4 and SATA3 mode.
Whether you are using headphones, a headset, external or internal speakers, via USB, Wi-Fi, analog output or even HDMI, Nahimic Audio offers you the most engaging listening experience, vibrant and rich with details.
The Sound Tracker is a 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.
Dr.MOS is the integrated power stage solution which is optimized for synchronous buck-set down voltage applications! Compared to traditional discrete MOSFETs, it intelligently delivers higher current for each phase, thus providing improved thermal result and superior performance.
Compared to traditional chokes, ASRock’s premium 60A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard.
Featuring sturdy components and completely smooth power delivery to the CPU. Plus, it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well.
Reduces 23% power loss and decreases the connector's temperature by 22 degrees Celsius.
8+8 12V Power Connectors
24-pin ATX Power Connector
2 ounce copper inner layers that provide stable signal traces and power shapes! Delivering lower temperature and higher energy efficiency for overclocking, it's able to support the latest DDR4 memory modules with most extreme memory performance!
ASRock motherboards deliver stunning performance and superior aesthetics to rule your own colorful lighting way! ASRock offers a very comprehensive control to perform the built-in RGB LEDs or the connected LED strips, CPU fans, coolers, chassis and any RGB devices smoothly. Devices can be synchronized across the Polychrome RGB Sync-certified accessories as well.
*The addressable RGB LED header supports WS2812B addressable RGB LED strip (5V/Data/GND), with a maximum power rating of 3A (5V), a max of 80 LEDs and length within 2 meters.
*The RGB LED header supports standard 5050 RGB LED strip (12V/G/R/B), with a maximum power rating of 3A (12V) and length within 2 meters.
The intelligent Phantom Gaming 2.5Gb/s LAN platform is built for maximum networking performance for the demanding requirements of home networking, content creators, online gamers and high-quality streaming media. Boost networking performance up to 2.5X the bandwidth compared to the standard gigabit Ethernet, you’ll enjoy the faster and uncompromised connectivity experience for gaming, file transfers and backups.
Automatically detects and accelerates game traffic ahead of other network traffic for smoother, stutter-free in-game performance and the competitive edge.
The reinforced steel slot comes with the next generation PCI Express 4.0 standard. The various benefits include:
- Extra anchor points
- Stronger latch
- Ensure signal stability
- Make sure heavy graphics cards to be well-installed.
This motherboard has a pair of onboard Type-A and Type-C USB 3.1 Gen2 ports built on the rear i/o for supporting next generation USB 3.1 Gen2 devices and to deliver up to 10 Gbps data transfer rates.
Front USB 3.2 Gen1 Type-C header delivers up to 5 Gbps data transfer rate and next generation reversible USB design to the front panel of computer case.
Besides the onboard LAN port, users may also choose 802.11ac wireless connections by M.2 (Key E) slot.
*Wi-Fi module is not included.
Unlike most so called pre-mounted I/O shield that is only decorated with fancy color schemes. We reserve more tolerance space and allow IO shield is adjustable when installing, thus fitting chassis perfectly without any mechanical issue.
Extra large aluminum alloy heat sinks that effectively take away heat from the MOSFET and chipset so that your whole system may perform more stable.
Compared to traditional chokes, ASRock’s premium 60A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard.
Dr.MOS is the integrated power stage solution which is optimized for synchronous buck-set down voltage applications! Intelligently delivering higher current and driving up to 50A continuous current for each phase, thus providing improved thermal result and superior performance.
Specifically designed for memory power delivery, these new alloy chokes feature a highly magnetic and heat resistant design, thus delivering more stable and reliable power to the motherboard and memory modules.
Supreme 12K black capacitors with lifespans of at least 12,000 hours. Compared to other counterparts on high-end motherboards that merely have lifespans of around 10,000 hours, ASRock applied Nichicon 12K Black Caps that offer 20% longer lifespans and provide more stability and reliability.
A new designed protective cover for all of the crucial parts near the motherboard's rear I/O, so that they won't easily be damaged by static electricity.
A new mysterious matte black and copper color scheme to match the prestigious components on ASRock's high-end motherboards.
High Density Glass Fabric PCB design that reduces the gaps between the PCB layers to protect the motherboard against electrical shorts caused by humidity.
Using only carefully selected copper materials for PCB layers, 2oz Copper PCB delivers lower temperature and higher energy efficiency for overclocking.
Everything will wear off in time, but gold looks better! Gold audio jack provides stable sound transmission!
ASRock Live Update & APP Shop is designed for your convenience. We provide various apps and support software for users to download. You can also easily optimize your system and keep your motherboard up to date with ASRock Live Update & APP Shop.
Some sensitive digital components on the motherboard are vulnerable to power surges, the excessive current may cause your system to malfunction immediately. ASRock Full Spike Protection includes various technologies to prevent your motherboard's components from being damaged by these unexpected voltage spikes.
| Gaming Armor | Power - Hi-Density Power Connectors (24 pin, 8 pin and 4 pin) Memory - 15µ Gold Contact in DIMM Slots VGA Card - 15µ Gold Contact in VGA PCIe Slot (PCIE1) Internet - 2.5G LAN Cooling - XXL Aluminum Alloy Heatsink - Heat Pipe Design Audio - Nahimic Audio |
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| Unique Feature | ASRock USB 3.2 Gen2 - ASRock Front Panel USB 3.2 Gen2 Type-C Header (10 Gb/s) - 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 60A Power Choke - 50A Dr.MOS - Premium Memory Alloy Choke (Reduces 70% core loss compared to iron powder choke) - Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors) - I/O Armor - Matte Black PCB - High Density Glass Fabric PCB - 2oz Copper PCB ASRock Phantom Gaming 2.5G LAN ASRock Steel Slot Gen4 ASRock Full Coverage M.2 Heatsink ASRock Hyper M.2 (PCIe Gen4x4) ASRock Ultra USB Power ASRock Full Spike Protection (for all USB, Audio, LAN Ports) ASRock Live Update & APP Shop |
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| CPU | - Supports 3rd Gen AMD AM4 Ryzen™ / future AMD Ryzen™ Processors* - Digi Power design - 14 Power Phase design *Not compatible with AMD Ryzen™ 5 3400G and Ryzen™ 3 3200G. |
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| Chipset | - AMD B550 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Memory | - Dual Channel DDR4 Memory Technology - 4 x DDR4 DIMM Slots - AMD Ryzen series CPUs (Matisse) 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* - 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* - Max. capacity of system memory: 128GB** - Supports Extreme Memory Profile (XMP) memory modules - 15µ Gold Contact in DIMM Slots* *For Ryzen Series CPUs (Picasso), ECC is only supported with PRO CPUs. Ryzen Series CPUs (Matisse): Ryzen Series APUs: SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label x=1 or 2 DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label **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. |
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| 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, VTT_DDR Offset, CPU VDD 1.8 Voltage Multi-adjustment |
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| 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.** - Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) @ 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 *Actual support may vary by CPU **The Max shared memory 16GB requires 32GB system memory installed. |
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| Audio | - 7.1 CH HD Audio with Content Protection (Realtek ALC1220 Audio Codec) - Premium Blu-ray Audio support - Supports Surge Protection - 120dB SNR DAC with Differential Amplifier - NE5532 Premium Headset Amplifier for Front Panel Audio Connector (Supports up to 600 Ohm headsets) - Pure Power-In - Direct Drive Technology - PCB Isolate Shielding - Impedance Sensing on Rear Out port - Individual PCB Layers for R/L Audio Channel - Gold Audio Jacks - 15µ Gold Audio Connector - Nahimic Audio |
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| LAN | - 2.5 Gigabit LAN 10/100/1000/2500 Mb/s - Dragon RTL8125BG - Supports Phantom Gaming LAN Software - Smart Auto Adjust Bandwidth Control - Visual User Friendly UI - Visual Network Usage Statistics - Optimized Default Setting for Game, Browser, and Streaming Modes - User Customized Priority Control - Supports Wake-On-LAN - Supports Lightning/ESD Protection - Supports Energy Efficient Ethernet 802.3az - Supports PXE |
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| 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 NVMe SSD as boot disks - 2 x PCI Express 3.0 x1 Slots - Supports AMD Quad CrossFireX™ and CrossFireX™ - 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module - 15µ Gold Contact in VGA PCIe Slot (PCIE1) |
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| Storage | - 6 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug* - 1 x Hyper M.2 Socket (M2_1), supports M Key type 2230/2242/2260/2280 M.2 PCI Express module up to Gen4x4 (64 Gb/s) (with Matisse) or Gen3x4 (32 Gb/s)** - 1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280/22110 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x2 (16 Gb/s)** *M2_2 and SATA3_5_6 share lanes. If either one of them is in use, the other one will be disabled. **Supports NVMe SSD as boot disks Supports ASRock U.2 Kit |
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| Connector | - 1 x SPI TPM Header - 1 x Power LED and Speaker Header - 2 x RGB LED Headers* - 2 x Addressable LED Headers** - 1 x CPU Fan Connector (4-pin)*** - 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)**** - 5 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)***** - 1 x 24 pin ATX Power Connector (Hi-Density Power Connector) - 1 x 8 pin 12V Power Connector (Hi-Density Power Connector) - 1 x 4 pin 12V Power Connector (Hi-Density Power Connector) - 1 x Front Panel Audio Connector (15µ Gold Audio Connector) - 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection) - 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection) - 1 x Front Panel Type C USB 3.2 Gen2 Header (Supports ESD Protection) - 1 x Dr. Debug with LED - 1 x Power Button with LED - 1 x Reset Button with LED *Support in total up to 12V/3A, 36W LED Strip **Support in total up to 5V/3A, 15W LED Strip ***The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power. ****CPU_FAN2/WP_3A supports the water cooler fan of maximum 3A (36W) fan power. *****The Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power. CPU_FAN2/WP_3A, CHA_FAN1/WP, CHA_FAN2/WP, CHA_FAN3/WP, CHA_FAN4/WP and CHA_FAN5/WP can auto detect if 3-pin or 4-pin fan is in use. |
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| Rear Panel I/O | - 2 x Antenna Mounting Points - 1 x PS/2 Mouse/Keyboard Port - 1 x HDMI Port - 1 x Optical SPDIF Out 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) - 2 x USB 3.2 Gen1 Ports (Supports ESD Protection) - 4 x USB 2.0 Ports (Supports ESD Protection)* - 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) - HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks) *Ultra USB Power is supported on USB_34 ports. ACPI wake-up function is not supported on USB_34 ports. |
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| Software and UEFI | Software - ASRock Motherboard Utility (Phantom Gaming Tuning) - ASRock Phantom Gaming LAN Software - ASRock Polychrome SYNC - ASRock Key Master* UEFI - ASRock Full HD UEFI - ASRock Instant Flash *These utilities can be downloaded from ASRock Live Update & APP Shop. |
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| Support CD | - Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accessories | - Quick Installation Guide, Support CD - 4 x SATA Data Cables - 3 x Screws for M.2 Sockets - 2 x Standoffs for M.2 Sockets |
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| Hardware Monitor | - Temperature Sensing: CPU, CPU/Water Pump, Chassis/Water Pump Fans - Fan Tachometer: CPU, CPU/Water Pump, Chassis/Water Pump Fans - Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, CPU/Water Pump, Chassis/Water Pump Fans - Fan Multi-Speed Control: CPU, CPU/Water Pump, Chassis/Water Pump Fans - Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore, CPU VDDCR_SOC, DRAM, VPPM, CPU VDD 1.8V |
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| Form Factor | - ATX Form Factor: 12.0-in x 9.6-in, 30.5 cm x 24.4 cm - 2oz Copper PCB |
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| OS | - Microsoft® Windows® 10 64-bit | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Certifications | - FCC, CE - ErP/EuP ready (ErP/EuP ready power supply is required) |
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Order Code: ASR-B55PGV
£226.13 inc vat
£188.44 ex vat
