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Description
ASUS Motherboard PRO B550M-C/CSM AMD AM4 Ryzen5000/4000G/3000 B550 128GB DDR4 micro ATX RetailMPN PRO B550M C CSM CPU AMD AM4 Socket for AMD RyzenTM 5000 Series 4000 G Series 3000 Series Desktop Processors Chipset AMD B550 Memory AMD RyzenTM 5000 Series 3000 Series Desktop Processors 4 x DIMM, Max. 128GB, DDR4 4600(O. C) 4400(O. C) 4266(O. C.) 4133(O. C.) 4000(O. C.) 3866(O. C.) 3733(O. C.) 3600(O. C.) 3466(O. C.) 3333(O. C.) 3200 3000 2800 2666 2400 2133 MHz Un buffered Memory AMD RyzenTM 4000 G Series Desktop Processors 4 x DIMM, Max. 128GB,
MPNPRO B550M-C/CSM
CPU
AMD AM4 Socket for AMD RyzenTM 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
Chipset
AMD B550
Memory
AMD RyzenTM 5000 Series/ 3000 Series Desktop Processors
4 x DIMM, Max. 128GB, DDR4
4600(O.C)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory
AMD RyzenTM 4000 G-Series Desktop Processors
4 x DIMM, Max. 128GB, DDR4
4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory
Dual Channel Memory Architecture
ECC Memory (ECC mode) support varies by CPU.
Graphic
2 x DisplayPort
1 x HDMI 2.1(4K at 60HZ)
Graphics specifications may vary between CPU types.
Expansion Slots
AMD RyzenTM 5000 Series/ 3000 Series Desktop Processors
1 x PCIe 4.0 x16 (x16 mode)
AMD RyzenTM 4000 G-Series Desktop Processors
1 x PCIe 3.0 x16 (x16 mode)
AMD B550 Chipset
1 x PCIe 3.0 x4 1
1 x PCI
Support PCIe bifurcation for RAID on CPU function.
Storage
Total supports 2 x M.2 slot(s) and 4 x SATA 6Gb/s ports
AMD RyzenTM 5000 Series/ 3000 Series Desktop Processors :
1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 4.0 x4 and SATA modes) storage devices support
AMD RyzenTM 4000 G-Series Processors :
1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support
AMD B550 Chipset :
1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support
4 x SATA 6Gb/s port(s),
Support Raid 0, 1, 10
LAN
Realtek RTL8111H 1Gb Ethernet
Audio
Realtek ALC887/897 7.1 Surround Sound High Definition Audio CODEC
- Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback
Choose the chassis with HD audio module in front panel to support 8-channel audio output.
USB Ports
Rear USB Port ( Total 6 )
2 x USB 3.2 Gen 2 port(s)(1 x Type-A +1 x USB Type-C)
2 x USB 3.2 Gen 1 port(s)(2 x Type-A)
2 x USB 2.0 port(s)(2 x Type-A)
Front USB Port ( Total 7 )
4 x USB 3.2 Gen 1 port(s)(4 x Type-A)
3 x USB 2.0 port(s)
Software Features
ASUS Exclusive Software
IT Management software supported
- ASUS Control Center Express(ACCE)
ASUS Special Features
ASUS Q-Design
- ASUS Q-DIMM
- ASUS Q-Slot
ASUS Thermal Solution
- Aluminum heatsink design
ASUS EZ DIY
- Box Headers
Bespoke Motherboard Design and Business Focused Features
- ASUS Self Recovering BIOS
- ASUS Event Log
- ASUS Commercial BIOS kit
- Anti-Moisture
- 24/7 Reliability
- Overcurrent Protection
TPM2.0 IC Onboard
Back I/O Ports
1 x Realtek RTL8111H
1 x PS/2 keyboard (purple)
1 x PS/2 mouse (green)
2 x DisplayPort
1 x HDMI
2 x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C)
2 x USB 3.2 Gen 1 Type-A
2 x USB 2.0
3 x Audio jack(s)
Internal I/O Ports
1 x CPU Fan connector(s)
2 x Chassis Fan connector(s)
2 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 4 USB 3.2 Gen 1 port(s)
2 x USB 2.0 connector(s) support(s) additional 3 USB 2.0 port(s)
2 x M.2 Socket 3 with M Key, type 2242/2260/2280 storage devices support (SATA mode and X4 PCIE mode)
1 x M.2 with E key for Wi-Fi module
1 x LPT header
4 x SATA 6Gb/s connector(s)
1 x Thunderbolt header(s)
1 x 24-pin EATX Power connector(s)
1 x 8-pin EATX 12V Power connectors
1 x Front panel audio connector(s) (AAFP)
1 x SMBus header(s)
1 x System panel(s)
1 x Clear CMOS jumper(s)
1 x COM port header
1 x Chassis intrusion header
1 x LPC Debug header
1 x Speaker connector
Accessories
1 x ACC Express Activation Key Card
I/O Shield
2 x SATA 6Gb/s cable(s)
1 x Supporting DVD
User manual
3 x M.2 SSD screw package(s)
2 x M.2 SSD Hex screw packages
BIOS
256 Mb Flash ROM, UEFI AMI BIOS
Manageability
WOL by PXE
Operating System
Windows 10 64-bit
Form Factor
mATX Form Factor
9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )
Note
1 The PCIe x4 slot runs x2 mode when the PCI slot is occupied.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Nice. I like that the wood feels cool to the touch
Size: 14.4"L x 3.15"W x 0.78"H, Color: Black Walnut, Size: 14.4"L x 3.15"W x 0.78"H, Color: Black Walnut
A nice little wooden wrist rest.
I would suggest not using it as a wrist rest, but use it more as a palm rest, because if you are having pain, putting more pressure on those wrist tendons is not gonna help.
Quality of the item is good. My biggest worry about wooden wrist rests is that they'll not be sanded well, or not smooth, and you'll get a sliver or catch your skin on a piece. Second biggest worry is that they will be slippery, and slide around the desk, or just be covered with a coating or finish that is sticky for human skin.
I'm happy to say, that this didn't have those issues. Mine is smooth, and made of dense wood. It doesn't feel cheap and made with hollow wood. There are no burs or slivers. It's not lacquered or sticky for your hands. It doesn't stain my hands when in use. And it has rubber feet to help grip, so it doesn't slide around.
One benefit to having a wood wrist rest, is that it stays "cool" to the touch longer than cloth or gel pads. But, at the same time, one heated, it takes longer to cool back down.
I've found that I quite like the cool sensation that is unique to wood.
I'm happy with it and the overall quality.
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Reviewed in the United States on August 5, 2025
★★★★★ 4
Great looking wrist rest but lacks strong grip
The walnut wood looks and feels great and gives my desk setup a more premium look. The dimensions are as described on the product page. I have no doubt this wrist rest will last a long time given how solid and well made it is.
The only downside is that it tends to move around a bit more than my old silicon wrist rest. The grip on the bottom isn’t as strong so I find myself readjusting it occasionally when gaming. Overall, recommended.
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Reviewed in the United States on July 29, 2025
★★★★★ 5
Very classy looking! Perfect height and length for TKL keyboards!
This wrist rest is the perfect height and length for my TKL keyboards! The wood is soft and smooth. It looks VERY classy compared to some of the wrist rests I've used in the past. The non-slip pads work great too.
The only thing I could find that was wrong is that the logo is upside down. It's not visible though because it's the edge that meets the keyboard so it's never seen. I find it endearing actually! Everything else is perfect, so I'd definitely recommend!
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Reviewed in the United States on September 23, 2025
★★★★★ 3
Classy look, but finish issue
This walnut wrist rest looks great on the desk—simple, solid, and much nicer than foam or gel options. It has a clean, polished style that pairs well with a keyboard, and the non-slip base keeps it from sliding around.
I wasn’t sure how I would like it compared to the soft cushy pad I used before, but it’s actually been pretty comfortable. The firmness gives steady support, and I haven’t found it too uncomfortable even after longer typing sessions.
The one drawback is a spot where the finish has worn or dissolved. It wasn’t there when I first got it, so I suspect the coating isn’t as durable as I’d hoped. It doesn’t affect how it feels in use, but it does stand out on an otherwise sharp-looking piece.
Overall, it’s a nice upgrade if you want a wooden wrist rest, just be aware the finish might not stay flawless over time.
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Reviewed in the United States on September 11, 2025
★★★★★ 5
Classy, Comfortable, and Built to Last!
I’ve never tried a wooden wrist rest before, but after going through a few padded ones (even some expensive name-brand versions) that eventually peeled or fell apart, I figured this was worth a shot. And I’m so glad I did!
This walnut wrist rest is smooth, beautifully made, and looks amazing on my desk. I have a whitewashed office setup, but this piece looks so good that I half-joked about wanting to change my desk to match it! It adds a very clean, grown-up aesthetic to the space.
One thing I really appreciated is that it comes in several sizes to suit different setups. I ordered the largest available, and while it’s just a couple inches shy of covering the full length of my keyboard, it still works perfectly. It has non-slip grips on the bottom that keep it in place, and even though it’s made of solid wood, it’s surprisingly comfortable and ergonomic to type with.
It’s also super low-maintenance—just wipe it clean with a damp cloth. For the $26–$29 price range, I think it’s a fantastic value and honestly better than some of the big-name options I’ve tried. This is a quality piece I expect to hold up for a long time, and I’m really happy with it!!
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Reviewed in the United States on July 23, 2025