9 Best Radeon RX 550 Graphics Cards, Compared

Quick picks

The best fit for you

• You run a standard ATX case needing low power Sapphire Pulse Radeon RX 550 4GB This card fits standard enclosures and operates within a sub-65-watt power envelope using 4GB of GDDR5 memory.
• You want to drive four DisplayPort monitors simultaneously VisionTek Radeon RX 550 4GB Quad DisplayPort It features four DisplayPort outputs and draws 50W of bus power in a single-slot design.
• You are building a compact ITX gaming system Maxsun Radeon RX 550 4GB ITX Its dedicated ITX form factor features a 9cm cooling fan and 4GB of GDDR5 memory.
• You have a compact PC with a 300W supply 51RISC Radeon RX 550 4GB Low Profile This low-profile card draws only 35W from the slot without needing supplemental power cables.

Our 9 picks

1 Best overall

Sapphire Pulse Radeon RX 550 4GB

Best for: standard ATX cases needing low power draw

GPU

Radeon RX 550 (what this guide is about)

Graphics Processor

Radeon RX 550

Memory Size

4GB

Memory Type

GDDR5

Memory Bus Width

128-Bit

Slot Width

1.5 Slot

View on Amazon: Sapphire Pulse Radeon RX 550 4GB

The Sapphire Pulse Radeon RX 550 4GB is a dedicated ATX graphics card built for standard desktop towers. It features 4GB of GDDR5 memory on a 128-bit bus, a 6000 MHz effective memory clock, and power consumption under 65 watts. With DisplayPort, HDMI, and DVI-D outputs, this card suits you if you need a low-power, single-fan video card for multi-display setups without upgrading your existing power supply.

Pros

• Power consumption under 65 watts
• 4GB GDDR5 memory with 128-bit bus
• 6000 MHz effective memory clock
• Three display output options: HDMI, DisplayPort, and DVI-D

Cons

• Requires 1.5 expansion slots in an ATX chassis
• Single-fan cooling design

Good fit if

• You have an ATX case with room for a 9.25-inch, 1.5-slot card.
• You need DisplayPort, HDMI, and DVI-D output options on one card.
• You want a dedicated GPU that draws less than 65 watts.

Skip if

• You need a low-profile card for a slim or small-form-factor case.
• You require multiple HDMI or multiple DisplayPort connections.

Verdict: Sapphire Pulse Radeon RX 550 4GB delivers versatile display outputs and 4GB of GDDR5 memory within a sub-65-watt power envelope. It serves as a practical drop-in addition for standard ATX systems needing reliable video connections without heavy power demands.

2 Best budget

Maxsun Radeon RX 550 4GB ITX

Best for: Compact ITX builds needing basic 1080p graphics

GPU

Radeon RX 550 (what this guide is about)

Graphics Processor

AMD Radeon RX 550

Memory Size

4GB

Memory Type

GDDR5

Boost Clock

up to 1183 MHz

Memory Bus Width

128-Bit

View on Amazon: Maxsun Radeon RX 550 4GB ITX

The Maxsun Radeon RX 550 4GB ITX delivers compact desktop graphics in an ITX form factor. It features 4GB of 128-bit GDDR5 memory running at 6000 MHz and a boost clock reaching up to 1183 MHz across 512 stream processors. A single 9cm fan cools the silver-plated PCB. This card suits you if you need a dedicated GPU for 1080p gaming, 4K video decoding, or light editing in compact PC builds.

Pros

• 4GB 128-bit GDDR5 memory clocked at 6000 MHz
• Boost clock speeds up to 1183 MHz with 512 stream processors
• 9cm cooling fan paired with silver-plated PCB and solid capacitors
• Supports DirectX 12, OpenGL 4.6, and 4K video decode

Cons

• Display output port types are not specified in the published data
• Larger 7.28-inch length compared to half-height low-profile alternatives

Good fit if

• You need an ITX-sized GPU for 1080p gaming or media editing.
• You want 4K video decoding support with DirectX 12 compatibility.

Skip if

• You require a slim low-profile half-height expansion card.
• You need verified display port specifications prior to purchase.

Verdict: Maxsun Radeon RX 550 4GB ITX provides essential 1080p rendering and 4K video decoding in a dedicated ITX format. It offers dependable hardware with its 9cm cooling fan and solid capacitor design.

3 Best premium

VisionTek Radeon RX 550 4GB Quad DisplayPort

Best for: quad-monitor productivity setups using DisplayPort

GPU

Radeon RX 550 (what this guide is about)

Graphics Processor

AMD Radeon RX 550

Memory Size

4GB

Memory Type

GDDR5

Recommended PSU

350W

Slot Width

single slot

View on Amazon: VisionTek Radeon RX 550 4GB Quad DisplayPort

The VisionTek Radeon RX 550 4GB Quad DisplayPort is a single-slot graphics card designed for multi-display productivity. It features 4GB of GDDR5 memory and drives up to four 4K monitors simultaneously via four DisplayPort connections. Drawing 50W directly from the motherboard PCIe slot, you do not need external power cables. This card suits you if you run multi-screen office setups or financial trading stations.

Pros

• Supports up to four 4K displays simultaneously
• Four DisplayPort outputs on a single bracket
• Single-slot profile preserves internal case airflow
• 50W power draw requires no extra PCIe power cables
• Includes a 3-year limited warranty

Cons

• Full-height design does not fit slim low-profile chassis
• Lacks native HDMI, DVI, or VGA ports

Good fit if

• You need to drive up to four 4K monitors through DisplayPort.
• You have a standard full-height PC case with at least a 350W power supply.
• You want a single-slot card that runs entirely on motherboard bus power.

Skip if

• You require native HDMI or legacy display connections without adapters.
• You use a compact or small-form-factor case requiring low-profile brackets.

Verdict: VisionTek Radeon RX 550 4GB Quad DisplayPort delivers dedicated support for four 4K screens in a space-saving single-slot format. Its 50W bus-powered design provides a clean multi-monitor upgrade for standard desktop towers.

4 Also great

SAPLOS Radeon RX 550 4GB Low Profile

Best for: small form factor mixed-display setups

GPU

Radeon RX 550 (what this guide is about)

Graphics Processor

Radeon RX 550

Memory Size

4GB

Memory Type

GDDR5

Memory Bus Width

128-bit

Form Factor

Low Profile

View on Amazon: SAPLOS Radeon RX 550 4GB Low Profile

The SAPLOS Radeon RX 550 4GB Low Profile gives you a compact card designed for small form factor cases. It features 640 stream processors, a 1071 MHz base frequency, and 4GB of 128-bit GDDR5 memory running at 6Gbps. Video outputs include HDMI, DVI-D, and VGA, allowing you to connect up to three displays. It includes interchangeable brackets to fit standard mid towers or slim ITX builds.

Pros

• Includes 4GB of 128-bit GDDR5 memory clocked at 6Gbps
• Comes with low-profile brackets for small form factor and ITX cases
• Supports up to three simultaneous displays via HDMI, DVI-D, and VGA
• Compact dimensions measuring 6.89 inches long and 0.79 inches tall

Cons

• Requires removing the VGA port when installing the low-profile bracket
• Lacks native DisplayPort connections
• Base clock is limited to 1071 MHz without a factory overclock

Good fit if

• You need a compact card that fits into slim ITX or small form factor enclosures.
• You use legacy monitors requiring direct VGA or DVI-D connections.
• You plan to run a multi-monitor workstation with up to three screens.

Skip if

• You require native DisplayPort outputs for modern high-refresh monitors.
• You want to use all three display outputs while keeping the low-profile bracket installed.

Verdict: SAPLOS Radeon RX 550 4GB Low Profile is a versatile compact graphics card that provides solid entry-level multi-display capability for space-constrained cases. Its combination of legacy and modern ports makes it an easy fit for older or mixed monitor setups.

5 Also great

Maxsun Radeon RX 550 4GB Low Profile

Best for: single-slot SFF and HTPC builds

GPU

Radeon RX 550 (what this guide is about)

Graphics Processor

AMD Radeon RX 550

Memory Size

4GB

Memory Type

GDDR5

Memory Bus Width

128-Bit

PCIe Interface

PCI Express X16 3.0

View on Amazon: Maxsun Radeon RX 550 4GB Low Profile

The Maxsun Radeon RX 550 4GB Low Profile is a compact graphics card built for small form factor systems and home theater PCs. It features 512 stream processors, 4GB of GDDR5 memory clocked up to 6000 MHz, and a single-slot design measuring 6.61 inches long. If you need 8K display output support inside a tight Mini-ITX enclosure without taking up dual expansion slots, this card fits your build.

Pros

• Single-slot low-profile design measuring 6.61 inches long
• Supports 8K resolution display output
• 4GB GDDR5 memory running up to 6000 MHz
• Silver-plated PCB with solid capacitors

Cons

• Configuration is limited to 512 stream processors
• Data does not specify secondary display output ports

Good fit if

• You need a true single-slot GPU for a Mini-ITX or SFF case.
• You plan to connect an 8K display via DisplayPort.
• You want 4GB of dedicated GDDR5 VRAM for an HTPC system.

Skip if

• You require multi-monitor display outputs explicitly verified in the specifications.
• You need more than 512 stream processors for demanding workloads.

Verdict: Maxsun Radeon RX 550 4GB Low Profile delivers 8K output capability and 4GB GDDR5 memory in a slim single-slot footprint. It gives you an easy fit for space-constrained SFF or HTPC chassis.

6 Also great

QTHREE Radeon RX 550 4GB Low Profile

Best for: compact PCs needing legacy video outputs

GPU

Radeon RX 550 (what this guide is about)

Graphics Processor

Radeon RX 550

Memory Size

4GB

Memory Type

GDDR5

PCIe Interface

PCI Express x8 3.0

Form Factor

Low Profile

View on Amazon: QTHREE Radeon RX 550 4GB Low Profile

The QTHREE Radeon RX 550 4GB Low Profile gives you a compact card designed for small form factor and ITX systems. It features 512 stream processors clocked at 1180 MHz and 4GB of 128-bit GDDR5 memory running at 6000 MHz. With VGA, DVI-D, and HDMI ports, it supports up to three displays at once. It runs directly from the PCIe slot with no external power cables required.

Pros

• Low-profile form factor fits SFF and ITX chassis
• Three video outputs including HDMI, DVI-D, and VGA
• Requires no external power connectors
• 4GB 128-bit GDDR5 memory running at 6000 MHz

Cons

• Lacks native DisplayPort outputs
• Operates over a PCIe 3.0 x8 interface rather than full x16

Good fit if

• You need a low-profile card for an SFF or ITX case.
• You want to connect displays using VGA, DVI-D, or HDMI ports.
• You have a power supply without auxiliary PCIe power cables.

Skip if

• You require native DisplayPort monitor connections.
• You need more than 512 stream processors for heavy graphical workloads.

Verdict: QTHREE Radeon RX 550 4GB Low Profile delivers flexible three-monitor connectivity with legacy display support for compact systems without dedicated PCIe power cables. Its 512 stream processors and 4GB GDDR5 configuration handle everyday computing and light gaming tasks.

7 Also great

51RISC Radeon RX 550 4GB Low Profile

Best for: compact PCs with 300W power supplies

GPU

Radeon RX 550 (what this guide is about)

Graphics Processor

Radeon RX 550

Memory Size

4GB

Memory Type

GDDR5

Memory Bus Width

128bit

PCIe Interface

PCIe 3.0*16

View on Amazon: 51RISC Radeon RX 550 4GB Low Profile

The 51RISC Radeon RX 550 4GB Low Profile is a compact graphics card designed for small-form-factor systems and mini-ITX desktop builds. It features 4GB of GDDR5 memory across a 128-bit bus, a core clock speed reaching 1183 MHz, and a 35W TDP that requires no external power cables. This card suits you if you need a slim, low-power display adapter with HDMI and DisplayPort outputs for a 300W power supply.

Pros

• Low 35W TDP runs directly off the PCIe slot without external power
• Compact low-profile size measuring 6.61 inches long and 0.7 inches thick
• Equipped with 4GB GDDR5 memory on a 128-bit bus
• Includes DisplayPort and HDMI outputs for modern displays

Cons

• Limited to two video output ports
• Full-height PCIe bracket is not included in the package
• Lacks legacy VGA and DVI ports

Good fit if

• You need a low-profile GPU to fit into a slim desktop or mini-ITX case.
• You run a budget 300W power supply without dedicated PCIe power cables.
• You want DisplayPort and HDMI connectivity with 4GB GDDR5 video memory.

Skip if

• You require more than two simultaneous display outputs.
• You need legacy VGA or DVI-D monitor connections.

Verdict: 51RISC Radeon RX 550 4GB Low Profile provides essential desktop graphics performance in a slim form factor drawing only 35W from the slot. It gives you 4GB GDDR5 memory and modern display outputs without requiring supplemental power cables.

8 Also great

VisionTek Radeon RX 550 4GB Dual DisplayPort

Best for: dual DisplayPort setups in compact desktops

GPU

Radeon RX 550 (what this guide is about)

Graphics Processor

AMD Radeon RX 550

Memory Size

4GB

Memory Type

GDDR5

Recommended PSU

350W

Dimensions

6.68 × 2.68 × 0.1 inches

View on Amazon: VisionTek Radeon RX 550 4GB Dual DisplayPort

The VisionTek Radeon RX 550 4GB Dual DisplayPort gives you an entry-level graphics card with 4GB of GDDR5 memory and two 4K DisplayPort outputs. It pulls 50 watts entirely from the motherboard slot, eliminating external power leads. Because it includes both low-profile and full-height brackets, you can install it into standard towers or small-form-factor systems running Windows 11. It suits basic multitasking and compact dual-monitor workstations.

Pros

• Equipped with 4GB GDDR5 memory
• Pulls 50W directly from slot with no extra power cables needed
• Supports dual 4K screens through two DisplayPort outputs
• Includes both low-profile and full-height installation brackets

Cons

• Provides only two total display outputs
• Lacks native HDMI and VGA connections
• Recommends a minimum 350W system power supply

Good fit if

• You need dual 4K DisplayPort outputs in a compact workstation.
• You have a power supply without dedicated supplemental PCIe power cables.
• You want flexible case installation with included low-profile and ATX brackets.

Skip if

• You require HDMI, DVI, or legacy VGA display connections.
• You plan to run three or more monitors simultaneously.

Verdict: VisionTek Radeon RX 550 4GB Dual DisplayPort is a practical low-profile graphics card for compact PCs requiring dual 4K DisplayPort feeds without auxiliary power cables.

9 Also great

Yeston Radeon RX 550 4GB Quad HDMI

Best for: four-monitor setups in compact desktop cases

GPU

Radeon RX 550 (what this guide is about)

Graphics Processor

Radeon RX 550

Memory Size

4GB

Memory Type

GDDR5

Memory Bus Width

128-bit

PCIe Interface

PCIe 3.0

View on Amazon: Yeston Radeon RX 550 4GB Quad HDMI

The Yeston Radeon RX 550 4GB Quad HDMI gives you a dedicated graphics solution built around 512 stream processors and 4GB of 128-bit GDDR5 memory. It runs on a PCIe 3.0 x8 interface and requires no external power connections. With four HDMI ports on a single-slot bracket, it suits you if you need to drive multiple displays in a compact desktop without upgrading your power supply.

Pros

• Four HDMI output ports for multi-monitor setups
• Single-slot card measuring 170 mm in length
• Draws all operating power through the PCIe slot without external power cables
• 4GB of 128-bit GDDR5 memory clocked at 6000MHz

Cons

• No DisplayPort, DVI, or VGA ports included
• Operates over a PCI-Express 3.0 x8 bus interface rather than x16
• Listed compatibility specifies only 64-bit Windows 7 and Windows 10

Good fit if

• You need to drive up to four HDMI displays from a single card.
• You have a power supply that lacks dedicated auxiliary PCIe power cables.
• You are building inside a compact chassis that requires a single-slot card under 180 mm long.

Skip if

• You rely on native DisplayPort or legacy DVI connections without adapters.
• You run an operating system outside the stated Windows 7 or Windows 10 64-bit support.
• You require a graphics card with full PCIe x16 lane bandwidth.

Verdict: Yeston Radeon RX 550 4GB Quad HDMI delivers four display outputs in a compact single-slot form factor without needing external power. It provides a straightforward hardware solution for multi-monitor workstations.

Specifications side by side

Is a Radeon RX 550 Graphics Card Worth It?

The Radeon RX 550 provides essential 1080p rendering and 4K video decoding for desktop systems. Because these cards operate on motherboard bus power between 35W and 65W, you can upgrade an office PC or compact build without routing extra PCIe power cables or replacing a modest 300W power supply. The GPU handles everyday computing, multi-monitor productivity across up to four displays, and light gaming via 512 stream processors. If your system lacks supplemental power leads, this architecture delivers dedicated video capabilities.

Worth it if

• You need dedicated 4K decoding or multi-display support without upgrading a 300W power supply.
• You lack supplemental PCIe power cables in your desktop chassis.

Skip it if

• You require high-end 3D graphics beyond basic 1080p rendering and light gaming.
• You already have dedicated graphics with more than 512 stream processors.

How We Picked These Cards

We identified every card in this guide by checking published Amazon listings for the Radeon RX 550 GPU in the product title or feature list. To keep the comparison clear, you see only one variant per product family. We gather all technical details, such as memory capacity, physical dimensions, and form factor, directly from manufacturer specifications. We do not physically handle or test the hardware.

Products in stock appear first. Listings update daily with current availability. You can compare published dimensions, bracket heights, and video connections across these 9 models to find the right hardware match for your desktop case and display setup.

How to Choose a Radeon RX 550

1. Select the Chassis Form Factor

   Check the form factor attribute before buying. Radeon RX 550 models arrive in ITX and Low Profile configurations to match specific desktop dimensions. If you are assembling a compact cube system, look for dedicated ITX cards like the Maxsun Radeon RX 550 4GB ITX. Slim office towers and home theater enclosures instead require Low Profile models that fit shallower clearances. Confirming whether your case requires ITX or Low Profile mounting ensures the card seats properly.

2. Match Monitor Video Connectors

   Examine the exact display connectors to avoid using passive adapters. Different RX 550 cards carry specialized output arrays to drive specific display setups. If you need to attach four modern displays using standard cables, pick a card engineered for that interface, such as the VisionTek Radeon RX 550 4GB Quad DisplayPort. Selecting a card with native DisplayPort jacks simplifies multi-monitor configurations for digital workstations. Verify your monitor inputs before selecting your card to ensure native cable compatibility across all screens.

3. Verify Expansion Slot Thickness

   Check the thickness of the card to see how many PCIe expansion slots it occupies on your motherboard. While full-sized shrouds can cover adjacent slots, a dedicated single-slot design keeps adjacent motherboard headers and slots accessible. For tight enclosures or crowded motherboards, choose a slim card such as the Yeston Radeon RX 550 4GB Quad HDMI. Measuring the vertical clearance around your PCIe slot ensures that the cooling shroud does not collide with neighboring expansion cards or power supply cabling inside small builds.

4. Evaluate Power Consumption Limits

   Review the power draw rating to match your computer's power supply capacity. These cards do not use auxiliary PCIe power cables, but their slot power draw varies between models. If you are upgrading a pre-built computer with a compact 300W power supply, look for an ultra-low power model like the 51RISC Radeon RX 550 4GB Low Profile, which draws only 35W directly from the PCIe slot. Selecting a lower wattage draw keeps overall thermal output low and prevents overtaxing entry-level power delivery systems in compact chassis.

5. Check Maximum Display Resolution

   Check the supported video output resolution if you plan to connect ultra-high-resolution monitors or commercial displays. While several Radeon RX 550 cards focus on standard 1080p and 4K display pipelines, select models feature enhanced display engines. The Maxsun Radeon RX 550 4GB Low Profile provides 8K output capability for users who require ultra-high-definition video support from a compact card. Checking whether a card is rated for 4K video decoding or 8K video output ensures your chosen graphics hardware matches your desktop monitor specifications.

6. Verify Legacy Display Support

   Inspect the display ports if your workstation relies on older monitors alongside modern screens. Some low-profile cards combine modern outputs with legacy video standards, allowing you to connect legacy hardware directly. If you manage mixed display types, consider the QTHREE Radeon RX 550 4GB Low Profile, which is built to deliver flexible three-monitor connectivity with legacy display support. Choosing a card with native legacy ports eliminates the need for active signal converters when integrating older office monitors into your multi-display workstation.

Frequently asked questions

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