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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
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Description
ASUS Motherboard PRO A520M-C II/CSM AMD AM4 Ryzen5000/4000/3000 A520 DDR4 HDMI/DP mATX RetailMPN PRO A520M C II CSM CPU AMD Ryzen 5000 Series 5000 G Series 4000 G Series 3000 Series Desktop Processors Refer to www. asus. com for CPU support list. Chipset AMD A520 Chipset Memory DDR4 4866(O. C.) 4600(O. C.) 4466(O. C.) 4400(O. C.) 4333(O. C.) 4266(O. C.) 4200(O. C.) 4133(O. C.) 4000(O. C.) 3866(O. C.) 3733(O. C.) 3600(O. C.) 346(O. C.) 3400(O. C.) 3333(O. C.) 3200 3000 2933 2800 2666 2400 2133 MHz, Un buffered Memory Dual Channel Memory
MPNPRO A520M-C II/CSM
CPU
AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
Refer to www.asus.com for CPU support list.
Chipset
AMD A520 Chipset
Memory
DDR4
4866(O.C.)/4600(O.C.)/4466(O.C.)/4400(O.C.)/4333(O.C.)/4266(O.C.)/4200(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/346(O.C.)/3400(O.C.)/3333(O.C.)/3200/3000/2933/2800/2666/2400/2133 MHz, Un-buffered Memory
Dual Channel Memory Architecture
ECC memory (ECC mode) support varies by CPU.
Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.
Graphics
1 x DisplayPort 1.2
1 x D-Sub
1 x DVI-D
Graphics specifications may vary between CPU types.
The DVI-D port and the DisplayPort cannot work at the same time. Only the DVI-D port functions when the two ports are both connected.
Expansion Slots
1 x PCIe 3.0 x16 (x16 mode)
AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
1 x PCIe 3.0 x16 slot (supports x16 mode)
AMD A520 Chipset
2 x PCIe 3.0 x1 slots
1 x PCI slot
Storage
Supports 1 x M.2 slot and 4 x SATA 6Gb/s ports
AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
M.2 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 and SATA modes)
AMD A520 Chipset
4 x SATA 6Gb/s ports
Support RAID 0, 1, 10
Ethernet
1 x Realtek 1Gb Ethernet
ASUS LANGuard
USB
Rear USB:Total 6 ports
4 x USB 3.2 Gen 1 ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
Front USB:Total 6 ports
1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
2 x USB 2.0 headers support additional 4 USB 2.0 ports
Audio
Realtek ALC897 7.1 Surround Sound High Definition Audio CODEC
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.
Back Panel I/O Ports
4 x USB 3.2 Gen 1 ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x DisplayPort
1 x D-Sub port
1 x DVI-D port
1 x HDMI port
1 x Realtek 1Gb Ethernet port
3 x Audio jacks
1 x COM port
1 x PS/2 Keyboard (purple) port
1 x PS/2 Mouse (green) port
Intrernal I/O Connectors
Fan and Cooling related
1 x 4-pin CPU Fan header
2 x 4-pin Chassis Fan headers
Power related
1 x 24-pin Main Power connector
1 x 8-pin +12V Power connector
Storage related
1 x M.2 slot (Key M)
4 x SATA 6Gb/s ports
USB
1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
2 x USB 2.0 headers support additional 4 USB 2.0 ports
Miscellaneous
1 x Clear CMOS header
1 x Chassis Intrude header
1 x COM Port header
1 x Front Panel Audio header (AAFP)
1 x LPC debug header
1 x LPT header
1 x SMBUS header
1 x Speaker header
1 x 10-1 pin System Panel header
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 Coating
- 24/7 Reliability
- Overcurrent Protection
TPM 2.0 IC Onboard
Software Features
ASUS Exclusive Software
IT Management software supported
- ASUS Control Center Express(ACCE)
BIOS
128 Mb Flash ROM, UEFI AMI BIOS
Manageability
WOL by PME, PXE
Accessories
Cables
2 x SATA 6Gb/s cables
Miscellaneous
1 x I/O Shield
1 x M.2 SSD screw package
Installation Media
1 x Support DVD
Documentation
1 x ACC Express Activation Key Card
1 x User manual
Form Factor
microATX
24.4cm x 22.9cm
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
4.0 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Whistles when thrown
Size: 2 Count (Pack of 1), Style: Pack of 2
One of my shepherd’s favorites! Truly does whistle when you throw it! Good quality!
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Whistle away my friend!
Size: 2 Count (Pack of 1), Style: Pack of 2
Love it! My dog loves it! The people at the dog park love it! The whistle is the best thing about these balls but the hard durable rubber and the denseness of the ball really make it fly. Let me quickly breakdown each of these:
First the sound is like a...well, whistle coming from a human but oscillating and slightly different. It helps the dogs track where it goes and helps them find it better when it is getting dark (while flying of course, not when it is stationary). It barely makes a sound when throwing it with the wind but really howls when throwing it into the wind. This is why you get this ball and most everyone at the dog park perks up and wonders what that is, asks about it, and thinks it is very cool; which it is!
Next is the durable rubber which doesn't have a single bite mark or split yet in 4 months of constant daily play for about 1 1/2 hours every day! The dog chews it as he brings it back and other dogs steal the ball and run with it while "killing" it perpetually and it has held up great. I don't claim this is going to be Kong ball durable but it is very well chosen rubber.
Last is the denseness of the ball which really makes to go far in a chuckit launcher. One doesn't really notice how far this goes until going back to a tennis ball and realizing how short a tennis ball goes compared to this. The whistler ball, and presumably other chuckit rubber balls (glow, irregular bounce), go 30-40% farther when I throw then using the longest chuckit thrower. This is excellent and wears my retriever out even faster; not to mention the rippling muscles he has from sprinting that whole way!
Overall I got both ball several months ago and we started with the blue ball and haven't had to touch the orange one yet. This is his goto ball at the park and it is the most popular ball, bar none, for all the dogs to steal. The bright blue aspect, the rubber aspect, the sound, and exclusivity of it make it coveted by dogs and owners. I might be gushing and glowing over this ball a bit much but I tend to do that when something unexpected ends up being part of your everyday life and blows you away at how wonderful it is.
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Reviewed in the United States on December 20, 2012
★★★★★ 5
Great for dogs that are chewers
Size: 2 Count (Pack of 1), Style: Pack of 2
These are wonderful for our dog. The bright colors help us find them when our dog can't. The size is perfect to play fetch. Our dog will chew on it a bit and it stays together and does not fall apart. That is a big bonus because our dog is a chewer!
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Reviewed in the United States on February 4, 2026
★★★★★ 5
It's A Whistler!
Size: Medium (Pack of 1), Style: Pack of 1
This Chuckit! Whistler Ball is basically a regular fetch toy that decided to become an annoying little teakettle mid-air. My dog goes absolutely nuts for it—every throw sounds like a tiny referee is shrieking "foul!" the whole way across the yard. He chases it harder than he chases the mailman, and bonus: I can actually find it in tall grass because it's screaming for help. Super bouncy, tough enough that he hasn't destroyed it yet (miracle), and now our walks sound like a low-budget horror movie.
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Reviewed in the United States on February 14, 2026
★★★★★ 4
Great buy
Size: 2 Count (Pack of 1), Style: Pack of 2
Easy to track balls. My dog loves them and I like that they whistle when you throw them cause some times my dog loses track of it in the air. This helps because they can hear where it's going. Will buy again.
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Reviewed in the United States on January 10, 2026