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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
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Description
ASRock B850 Pro RS AMD AM5 Socket Motherboard, ATX, 4x DDR5 Slots, 4x M.2 Sockets, 3x USB-C Port, Fitted I/O Shield, 2.5GbE LAN, 1x HDMI Port / 1x USB-CASRock B850 PRO RS Key Features Supports AMD Socket AM5 Ryzen 9000, 8000 and 7000 Series Processors 14+2+1 Phase Power Design, 80A Dr. MOS for VCore+SOC+MISC 4 x DDR5 DIMMs Supports Dual Channel, up to 8000+ (OC) PCIe 5. 0 x16, 1 PCIe 4. 0 x16, 1 M. 2 Key E for WiFi Graphics Output Options: 1 HDMI, 1 USB Type C (DP alt) Realtek ALC897 7. 1 CH HD Audio Codec, Nahimic Audio 1 x Blazing M. 2 (PCIe Gen5x4) 2 x Hyper M. 2 (PCIe Gen4x4) 1 x Ultra M. 2 (PCIe
ASRock B850 PRO RSKey Features
Supports AMD Socket AM5 Ryzen 9000, 8000 and 7000 Series Processors
14+2+1 Phase Power Design, 80A Dr.MOS for
VCore+SOC+MISC
4 x DDR5 DIMMs
Supports Dual Channel, up to 8000+ (OC)
PCIe 5.0 x16, 1 PCIe 4.0 x16, 1 M.2 Key E for WiFi
Graphics Output Options: 1 HDMI, 1 USB Type-C (DP-alt)
Realtek ALC897 7.1 CH HD Audio Codec, Nahimic Audio
1 x Blazing M.2 (PCIe Gen5x4)
2 x Hyper M.2 (PCIe Gen4x4)
1 x Ultra M.2 (PCIe Gen3x4)
4 x SATA3
1 x USB 3.2 Gen2x2 Type-C (Front)
1 x USB 3.2 Gen2 Type-C (Rear)
1 x USB 3.2 Gen1 Type-C (Rear)
8 x USB 3.2 Gen1 (4 Rear, 4 Front)
10 x USB 2.0 (6 Rear, 4 Front)
Realtek 2.5G LAN
Supports M.2 Bottom Heatsink,
BIOS Flashback
14 + 2 + 1 POWER PHASE DESIGN + DR.MOS
Vcore with Dr.MOS design, delivering smoother and neater power to the CPU.
BLAZING M.2 (PCIE GEN5 x4)
Supports up to 4 x NVMe M.2 SSDs and one of which is able to accommodates the latest PCI Express 5.0 standard.
USB TYPE-C (DP-ALT MODE)
USB Alternate Mode allows USB Type-C ports to enable both data transfer and display output to DisplayPort monitors through a single cable.
M.2 BOTTOM HEATSINK
Dissipate heat efficiently through the motherboard PCB, maximize performance while maintaining system stability.
FRONT USB 3.2 GEN2x2 TYPE-C
The latest USB 3.2 Gen2x2 Type-C delivers up to 20 Gbps data transfer rate which is 2x as fast as previous generation.
NAHIMIC AUDIO
Optimized to who is looking for an outstanding sound experience in high definition.
Specification
Platform
ATX Form Factor: 12.0 in x 9.6-in, 30.5 cm x 24.4 cm
8 Layer PCB
Unique Feature
Superb Productivity
PCIe Gen5 (Graphics, M.2)
Dual Channel DDR5
Rock-Solid Durability
14+2+1 Power Phase, 80A Dr.MOS for VCore+SOC+MISC with Enlarged Heatsink Armor
Flexible Integrated I/O Shield
Ultrafast Connectivity
2.5G LAN
EZ Update
BIOS Flashback Button
ASRock Auto Driver Installer
EZ Troubleshooter
ASRock Post Status Checker
CPU
Supports AMD Socket AM5 Ryzen 9000, 8000 and 7000 Series Processors
Chipset
AMD B850
Memory
Dual Channel DDR5 Memory Technology
4 x DDR5 DIMM Slots
Supports DDR5 ECC/non-ECC, un-buffered memory up to 8000+(OC)
Max. capacity of system memory: 256GB
Supports Extreme Memory Profile (XMP) and EXTended Profiles for Overclocking (EXPO) memory modules
Expansion Slot
CPU:
1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode
Chipset:
1 x PCIe 4.0 x16 Slot (PCIE2), supports x4 mode
1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module
PCIE1 will run at Gen5x16 with 9000 and 7000 series processors, Gen4x8 with 8000 (Phoenix 1) series processors and Gen4x4 with 8000 (Phoenix 2) series processors.
If M2_3 is occupied, PCIE2 will be disabled.
Supports NVMe SSD as boot disks
15µ Gold Contact in VGA PCIe Slot (PCIE1)
Graphics
Integrated AMD RDNATM graphics (Actual support may vary by CPU)
1 x HDMI 2.1 TMDS/FRL 8G Compatible, supports HDR, HDCP 2.3 and max. resolution up to 4K 120Hz
1 x USB 3.2 Gen1 Type-C, supports DP 1.4 HBR3 and max. resolution up to 4K 60Hz (DP-alt mode supports DP1.4a)
Audio
7.1 CH HD Audio (Realtek ALC897 Audio Codec)
Nahimic Audio
LAN
2.5 Gigabit LAN 10/100/1000/2500 Mb/s
Dragon RTL8125BG
Supports Dragon 2.5G 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
USB
CPU:
1 x USB 3.2 Gen2 Type-C (Rear)
1 x USB 3.2 Gen1 Type-C (Rear)
2 x USB 3.2 Gen1 Type-A (Rear (USB32_1 and USB32_2))
Chipset:
1 x USB 3.2 Gen2x2 Type-C (Front)
6 x USB 3.2 Gen1 Type-A (2 Rear (USB32_3 and USB32_4), 4 Front)
10 x USB 2.0 (6 Rear, 4 Front)
All USB ports support ESD Protection
Rear Panel I/O
2 x Antenna Mounting Points
1 x HDMI Port
1 x USB 3.2 Gen2 Type-C Port (10 Gb/s)
1 x USB 3.2 Gen1 Type-C Port (DP-alt mode supports DP1.4a)
4 x USB 3.2 Gen1 Type-A Ports
6 x USB 2.0 Ports
1 x RJ-45 LAN Port
1 x BIOS Flashback Button
HD Audio Jacks: Line in / Front Speaker / Microphone
Storage
CPU:
1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb/s) mode
1 x Hyper M.2 Socket (M2_2, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode
Chipset:
1 x Hyper M.2 Socket (M2_3, Key M), supports type 2230/2242/2260/2280 PCIe Gen4x4 (64 Gb/s) mode
1 x Ultra M.2 Socket (M2_4, Key M), supports type 2280 PCIe Gen3x4 (32 Gb/s) mode
2 x SATA3 6.0 Gb/s Connectors
ASMedia ASM1061:
2 x SATA3 6.0 Gb/s Connectors
Supports NVMe SSD as boot disks
M2_1 is the first priority for M.2 installation.
M2_1 will run at Gen5x4 with 9000 and 7000 series processors and Gen4x4 with 8000 Phoenix 1 and Phoenix 2) series processors.
M2_2 will run at Gen4x4 with 9000 and 7000 series processors, Gen4x4 with 8000 (Phoenix 1) series processors and Gen4x2 with 8000 (Phoenix 2) series processors.
If M2_3 is occupied, PCIE2 will be disabled.
If SATA3_1 or SATA3_2 is occupied, M2_4 will downgrade to Gen3x2 mode.
RAID
Supports RAID 0 and RAID 1 for SATA storage devices
Supports RAID 0, RAID 1 and RAID 10 for M.2 NVMe storage devices
Connector
1 x SPI TPM Header
1 x Power LED and Speaker Header
1 x RGB LED Header
3 x Addressable LED Headers
2 x CPU Fan Connectors (4-pin) (Smart Fan Speed Control)
4 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)
1 x AIO Pump Fan Connector (4-pin) (Smart Fan Speed Control)
1 x 24 pin ATX Power Connector
2 x 8 pin 12V Power Connectors (Hi-Density Power Connector)
1 x Front Panel Audio Connector
2 x USB 2.0 Headers (Support 4 USB 2.0 ports)
2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports)
1 x Front Panel Type C USB 3.2 Gen2x2 Header (20 Gb/s)
Supports in total up to 12V/3A, 36W LED Strip
Support in total up to 5V/3A, 15W LED Strip
CPU_FAN1 supports the fan power up to 1A (12W).
CPU_FAN2, CHA_FAN1~4 and AIO_PUMP support the fan power up to 3A (36W).
CPU_FAN2, CHA_FAN1~4 and AIO_PUMP can auto detect if 3-pin or 4-pin fan is in use.
BIOS Feature
256Mb AMI UEFI Legal BIOS with GUI support
Software and UEFI
Software
ASRock Motherboard Utility (A-Tuning)
ASRock Dragon 2.5G LAN Software
ASRock Polychrome SYNC
UEFI
ASRock EZ Mode
ASRock Full HD UEFI
ASRock Auto Driver Installer
ASRock Instant Flash
OS
Microsoft Windows 10 64-bit / 11 64-bit
Certifications
FCC, CE
ErP/EuP ready (ErP/EuP ready power supply is required)
Accessories
2 x SATA Data Cables
1 x Screw for M.2 Socket
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 14 reviews
Sort
Product Reviews
★★★★★ 5
Just what I was looking for to slow my large dog while eating
Size: 1 Pack, Style: Pawbler, Size: 1 Pack, Style: Pawbler
I needed something for my 50-pound dog to slow down her eating. The usual slow-feeder bowls and mats weren't really slowing her down much and I wanted her to have to think a little bit. She's not smart enough for puzzles though. So I got this kibble dispensing toy. My dog is not a chewer so I don't have to worry about her destroying it.
LOVE: holds a little more than a cup of kibble, dispenses different sized kibbles, heavy weight so it wobbled around a lot without going too far away, QUIET- I couldn't bear the noise of hard plastic dispensers clacking around and this one is very quiet on our hardwood floors, kept the dog busy for at least 20 minutes. It's really all I was hoping it would be. And, well, as you can see in the video, the cat is happy about it too...
As with all of these dispensers, there will be a couple of kibbles left inside that are hard to get out. But that gave my dog something to do overnight. She spent a long time getting that last kibble out. The slight scent they add to the natural rubber is not a problem at all. This dispenser is absolutely worth the money, it's going to last us a very, very long time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 17, 2025
★★★★★ 5
People are doin it wrong
Size: 1 Pack, Style: Cone
Cheap and durable and huge. The bad reviews are from people who aren’t using it right. Step 1) plug hole with a smear of peanut butter. 2) put a low calorie but appetizing mix of whatever you want: yogurt, pate, pumpkin puree, blended with frozen veggies on the walls 3) freeze cone for 30 mins. Hole will be sufficiently plugged to add liquid. 4) fill the rest with water or bone broth and freeze overnight to make it a changing ice block.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
★★★★★ 5
Perfect Teething Toy for Puppies!
Color: Pacifier, Size: Small
My puppy absolutely loves this Nylabone Puppy Pacifier Chew Toy! The bacon flavor immediately caught his attention, and it has quickly become his favorite toy. It’s the perfect size for small puppies and easy for little mouths to carry around and chew on.
The material is soft enough for teething but still durable enough to hold up to daily chewing. It has really helped redirect my puppy from chewing on furniture and shoes, and it seems to soothe his gums while he’s teething. I also like that it keeps him entertained for long periods of time.
Great quality, puppy-approved, and definitely worth buying for any small dog owner!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
★★★★★ 5
My dogs love these
Color: Pacifier, Size: Small, Color: Pacifier, Size: Small
These are my dogs favorite toys and they keep them entertained for hours. Yes they are able to chew them down to small pieces but they are sturdy enough where they won't swallow them. I have miniature dachshunds so small dogs.
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Great chew toy for my dog!
Color: Pacifier, Size: Small
My dog loves his Pacifier! It is pretty durable, odorless, easy for him to use and carry around from room to room! He loves to play with it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026
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