MSI MB ProSeries AMD AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 2, HDMI/DP, ATX (B550-A PRO)
Review: 5 - "A masterpiece of literature" by , written on May 4, 20020
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MSI MB ProSeries AMD AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 2, HDMI/DP, ATX (B550-A PRO)

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$159.99
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LEARN MORE ABOUT THE?MSI B550-A PRO


Model
Brand MSI
Series PRO
Model B550-A PRO
Supported CPU
CPU Socket Type? AM4
CPU Type Supports AM4 socket 3rd Gen AMD Ryzen processors, and future AMD Ryzen processors with BIOS update.
Chipsets
Chipset? AMD B550
Memory
Number of Memory Slots 4?288pin
Memory Standard Supports DDR4 3200/ 3066/ 3000/ 2933/ 2800/ 2667/ 2400/ 2133/ 1866 MHz by JEDEC
Supports DDR4 4400+/ 4266/ 4133/ 4000/ 3866/ 3733/ 3600/ 3466/ 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz by A-XMP OC MODE

1DPC 1R Max speed 4800 MHz
1DPC 2R max speed 3866 MHz
2DPC 1R max speed 4000 MHz
2DPC 2R max speed 3600 MHz
Maximum Memory Supported 128GB
Channel Supported? Dual Channel
Expansion Slots
PCI Express 4.0 x16 1 x PCIe 4.0/3.0 x16 slot (PCI_E1) *
* The supported specification depends on installed processor.
PCI Express 3.0 x16? 1 x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed **
** When installing PCIe SSD in M.2_2, PCI_E3 slot will be unavailable.
PCI Express x1 2 x PCIe 3.0 x1 slots
Storage Devices
SATA 6Gb/s? 6 x SATA 6Gb/s
M.2 2 x M.2 slots (Key M)
M2_1 slot (from AMD Processor)
Supports PCIe 4.0/3.0 x4 *
Supports SATA 6Gb/s
Supports 2242/2260/2280/22110 storage devices
M2_2 slot (from AMD B550 chipset)
Supports PCIe 3.0 x4
Supports 2242/2260/2280 storage devices

* The supported specification depends on installed processor.
SATA RAID 0/1/10
Onboard Video
Onboard Video Chipset? Supported only by CPU with integrated graphic:
1 x HDMI port, supports a maximum resolution of 4096x2160 @24Hz
1 x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz
Maximum shared memory of 2048MB

* Available for the processor with integrated graphics.
Onboard Audio
Audio Chipset? Realtek ALC892
Audio Channels? 7.1 Channels
Onboard LAN
LAN Chipset Realtek RTL8111H
Max LAN Speed 10/100/1000Mbps
Rear Panel Ports
Back I/O Ports 1 x DisplayPort / 1 x HDMI / 1 x LAN (RJ45) / 1 x PS/2 Keyboard/Mouse Combo / 1 x USB 3.2 Gen 2 Type-A / 1 x USB 3.2 Gen 2 Type-C / 2 x USB 3.2 Gen 1 Type-A / 4 x USB 2.0/1.1 / 6 x Audio Jacks
Internal I/O Connectors
Onboard USB 1 x USB 3.2 Gen 1 5Gbps Type-C port
1 x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)
2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
Other Connectors 1 x 4-pin CPU fan connector
1 x 4-pin water-pump fan connector
6 x 4-pin system fan connectors
1 x Front panel audio connector
2 x System panel connectors
1 x Chassis Intrusion connector
1 x 4-pin RGB LED connector
2 x 3-pin RAINBOW LED connectors
1 x TPM module connector
1 x Clear CMOS jumper
Physical Spec
Form Factor ATX
LED Lighting RGB
Dimensions (W x L) 12.0" x 9.6"
Power Pin 1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
Features
Features Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update

Supports DDR4 Memory, up to 4400(OC) MHz

Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 Gen 2

Premium Thermal Solution: Extended Heatsink Design with additional choke thermal pad and 7W/mK pad, and M.2 Shield Frozr are built for high performance system and non-stop works

Powerful Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, Creator Genie, DDR4 Boost

Audio Boost: Reward your ears with studio grade sound quality

Multi-GPU: With Steel armor PCI-E slots. Supports 2-Way AMD Crossfire

Dragon Center: A brand new software which integrates all MSI exclusive tools with user friendly user interface

LEARN MORE ABOUT THE?MSI B550-A PRO


Model
Brand MSI
Series PRO
Model B550-A PRO
Supported CPU
CPU Socket Type? AM4
CPU Type Supports AM4 socket 3rd Gen AMD Ryzen processors, and future AMD Ryzen processors with BIOS update.
Chipsets
Chipset? AMD B550
Memory
Number of Memory Slots 4?288pin
Memory Standard Supports DDR4 3200/ 3066/ 3000/ 2933/ 2800/ 2667/ 2400/ 2133/ 1866 MHz by JEDEC
Supports DDR4 4400+/ 4266/ 4133/ 4000/ 3866/ 3733/ 3600/ 3466/ 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz by A-XMP OC MODE

1DPC 1R Max speed 4800 MHz
1DPC 2R max speed 3866 MHz
2DPC 1R max speed 4000 MHz
2DPC 2R max speed 3600 MHz
Maximum Memory Supported 128GB
Channel Supported? Dual Channel
Expansion Slots
PCI Express 4.0 x16 1 x PCIe 4.0/3.0 x16 slot (PCI_E1) *
* The supported specification depends on installed processor.
PCI Express 3.0 x16? 1 x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed **
** When installing PCIe SSD in M.2_2, PCI_E3 slot will be unavailable.
PCI Express x1 2 x PCIe 3.0 x1 slots
Storage Devices
SATA 6Gb/s? 6 x SATA 6Gb/s
M.2 2 x M.2 slots (Key M)
M2_1 slot (from AMD Processor)
Supports PCIe 4.0/3.0 x4 *
Supports SATA 6Gb/s
Supports 2242/2260/2280/22110 storage devices
M2_2 slot (from AMD B550 chipset)
Supports PCIe 3.0 x4
Supports 2242/2260/2280 storage devices

* The supported specification depends on installed processor.
SATA RAID 0/1/10
Onboard Video
Onboard Video Chipset? Supported only by CPU with integrated graphic:
1 x HDMI port, supports a maximum resolution of 4096x2160 @24Hz
1 x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz
Maximum shared memory of 2048MB

* Available for the processor with integrated graphics.
Onboard Audio
Audio Chipset? Realtek ALC892
Audio Channels? 7.1 Channels
Onboard LAN
LAN Chipset Realtek RTL8111H
Max LAN Speed 10/100/1000Mbps
Rear Panel Ports
Back I/O Ports 1 x DisplayPort / 1 x HDMI / 1 x LAN (RJ45) / 1 x PS/2 Keyboard/Mouse Combo / 1 x USB 3.2 Gen 2 Type-A / 1 x USB 3.2 Gen 2 Type-C / 2 x USB 3.2 Gen 1 Type-A / 4 x USB 2.0/1.1 / 6 x Audio Jacks
Internal I/O Connectors
Onboard USB 1 x USB 3.2 Gen 1 5Gbps Type-C port
1 x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)
2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
Other Connectors 1 x 4-pin CPU fan connector
1 x 4-pin water-pump fan connector
6 x 4-pin system fan connectors
1 x Front panel audio connector
2 x System panel connectors
1 x Chassis Intrusion connector
1 x 4-pin RGB LED connector
2 x 3-pin RAINBOW LED connectors
1 x TPM module connector
1 x Clear CMOS jumper
Physical Spec
Form Factor ATX
LED Lighting RGB
Dimensions (W x L) 12.0" x 9.6"
Power Pin 1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
Features
Features Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update

Supports DDR4 Memory, up to 4400(OC) MHz

Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 Gen 2

Premium Thermal Solution: Extended Heatsink Design with additional choke thermal pad and 7W/mK pad, and M.2 Shield Frozr are built for high performance system and non-stop works

Powerful Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, Creator Genie, DDR4 Boost

Audio Boost: Reward your ears with studio grade sound quality

Multi-GPU: With Steel armor PCI-E slots. Supports 2-Way AMD Crossfire

Dragon Center: A brand new software which integrates all MSI exclusive tools with user friendly user interface

30-Day Return Policy on Most Products Sold

At CYTERUS, we strive to make the return process as easy as possible for you. All products sold by CYTERUS are covered under the manufacturer's warranty for defects in workmanship unless otherwise specified. If you encounter any issues with a product, we recommend contacting the manufacturer's technical support or warranty service provider listed in your product documentation for troubleshooting assistance and guidance on potential defects or missing parts. The manufacturer's support staff are best equipped to provide a solution to most issues, eliminating the need for returning the item. If, after contacting the manufacturer, it is determined that the product is indeed defective, the manufacturer will either offer to repair or replace the item directly or refer you back to CYTERUS for the return process. In case you are referred back to CYTERUS, please log in to your MY ACCOUNT at CYTERUS.com and visit the return products page to submit your return request.

If you have any questions, our friendly CYTERUS representatives are here to assist you. You can reach us via email at Contact@CYTERUS.com.

Types of Returns:

  1. Defective Product Returns: Most defective products can be returned within 30 days of the invoice date for a refund, credit, replacement, exchange, or repair, at CYTERUS's discretion. After 30 days, product support is provided by the manufacturer as per the terms of the manufacturer warranty.
  2. Non-Defective Product Returns: Most non-defective products can be returned within 30 days of the invoice date for a refund, credit, or exchange, at CYTERUS's discretion. Non-defective items being returned for a refund, credit, or exchange are subject to a 15% restocking fee, with a minimum of $15.00. After 30 days, the manufacturer's warranty applies.
  3. Restricted Product Returns – Manufacturer Pre-Authorization Required: Certain products can only be returned to CYTERUS if the manufacturer certifies them as defective and authorizes a return through CYTERUS. In such cases, you will need a manufacturer's case number for CYTERUS to process your Return Merchandise Authorization (RMA) request. If the manufacturer does not authorize a return through CYTERUS, the product must be returned directly to the manufacturer for repair or replacement according to the terms of the manufacturer warranty. You can find the current list of products that require manufacturer pre-authorization here. Although CYTERUS cannot process returns or exchanges for these products, we are always available to assist in facilitating support calls with the manufacturer. Please contact your Account Manager or reach out to us at Contact@CYTERUS.com for assistance.
  4. Restricted Product Returns – Repair Only: Certain products can only be returned for repair to the manufacturer or a local authorized service center, based on manufacturer restrictions and policies. You can find the current list of products that can only be returned for repair here. Although CYTERUS cannot process returns or exchanges for these products, we are always available to assist in facilitating support calls with the manufacturer. Please contact your Account Manager or reach out to us at Contact@CYTERUS.com for assistance.
  5. Special Orders: Special order products are non-returnable and can only be returned for repair or replacement to the manufacturer. Although CYTERUS cannot process returns or exchanges for these products, we are always available to assist in facilitating support calls with the manufacturer. Please contact your Account Manager or reach out to us at Contact@CYTERUS.com for assistance.
  6. Open Software and Consumables: Open software and consumables, including toner and ink cartridges, rollers, paper, ribbons, and backup tapes, are non-returnable and can only be returned for repair or replacement to the manufacturer. Although CYTERUS cannot process returns or exchanges for these products, we are always available to assist in facilitating support calls with the manufacturer. Please contact your Account Manager or reach out to us at Contact@CYTERUS.com for assistance.

Important Information:

  • All return requests must be made within 30 days of the shipping date. After 30 days, the manufacturer's warranty, if applicable, applies.
  • No returns of any type will be accepted at the returns warehouse without a valid Return Merchandise Authorization (RMA) number printed on the label.
  • Please allow 10 business days from the date of receipt at the returns warehouse for returned items to be inspected and processed.
  • All products being returned must include all original boxes, packing materials, manuals, blank warranty cards, and all other accessories and documentation provided by the manufacturer. Returns for products missing any of these items will be returned to the customer unprocessed, with no refund or credit issued.
  • Products returned to CYTERUS that have been misrepresented by the customer, including item condition or serial number, will be returned to the customer unprocessed, with no refund or credit issued. CYTERUS reserves the right to accept the return and charge a restocking fee of 35% instead of rejecting the return.
  • The customer is responsible for the cost of shipping returned products when the items being returned are non-defective. We advise customers to purchase insurance to cover loss or damage during transit. CYTERUS is not responsible for loss during return shipment.
  • The customer is responsible for the cost of shipping returned products when the items being returned are defective, and they are being returned for a refund, credit, or exchange with a different product. We advise customers to purchase insurance to cover loss or damage during transit. CYTERUS is not responsible for loss during return shipment.
  • CYTERUS is responsible for the cost of shipping returned products when the items being returned are defective, and they are being returned for replacement with a new unit of the identical product.
  • Refunds for returned items will be issued via the same form of payment used in the original transaction.
  • If the current advertised price of a product is lower than the original purchase price, refund or credit amounts will be based on the current price of the product at the time the RMA number is issued.
  • Credits issued for returns may only be used for future purchases of products or services. Any return credit issued must be used within 12 months of the date it was issued. Any unused credit or portion thereof after the 12-month period will automatically expire.
  • All refurbished products are clearly marked as such and come with a manufacturer's warranty. Refurbished products may only be returned for repair to the manufacturer or a local authorized service center.
  • Discontinued or end-of-life products may only be returned for repair to the manufacturer or a local authorized service center.

Damaged in Transit:

If you receive a package that is damaged during transit, we recommend refusing the delivery. The carrier will automatically return the package to CYTERUS. If you choose to accept delivery of a damaged package, please follow these steps:

  1. Note the damage on the shipping carrier's delivery record.
  2. Save the original packaging and product in the condition received.
  3. Notify us of the issue within 48 hours via email at Contact@CYTERUS.com.

By following these steps, we will be able to file a claim with the carrier for the damage. If the customer fails to follow these steps, the customer will be deemed to have accepted the merchandise as if it had arrived undamaged, and the standard CYTERUS return policy will apply.

Restricted Product Returns – Manufacturer Pre-Authorization Required:

The following products and manufacturer brands can only be returned to CYTERUS if the product is certified as defective by the manufacturer and the manufacturer authorizes a return through CYTERUS. In such cases, you will need a manufacturer's case number for CYTERUS to process your RMA request. If the manufacturer does not authorize a return through CYTERUS, the product must be returned directly to the manufacturer for repair or replacement according to the terms of the manufacturer warranty.

  • All Asus products
  • All Dell products
  • All Zebra products
  • All Hewlett Packard (HP) products
  • All Lenovo products
  • All Panasonic products
  • All brands of memory
  • All Televisions, Monitors, Smart Boards, and Interactive Whiteboards 40 inches and larger (all brands)
  • All Smart and Smart Education products
  • All Canon scanners
  • All Gigabyte products

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