DGZZI AM4 Backplane Back Durable CPU Heatsink Bracket CPU Fan Cooling Mounting Sheet Plate for AM4 AMD Socket
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AI Verdict
This is a basic metal replacement backplate for anyone who lost their original AM4 motherboard bracket and needs to mount a stock or aftermarket CPU cooler.
If you lost your original AM4 backplate and your new cooler requires one, this 90x54mm bracket is a mandatory purchase. It does exactly what the stock plate did, complete with an insulating layer to protect the PCB. If you already have your stock backplate, this offers zero performance benefit.
Check your CPU cooler's manual first; many budget coolers include their own custom backplates, making this unnecessary.
Regret Score™
Very Low RiskLower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity
Issues discovered after purchase
Critically weak dimension
Amazon rating vs actual quality
Chance this product isn't for you
Pros
- Exact 90x54mm hole spacing matches the AMD AM4 socket standard perfectly
- Metal construction prevents motherboard warping under heavy cooler tension
- Includes an insulating layer on the motherboard-facing side to prevent electrical shorts
- Restores compatibility for heavy air coolers like the Dark Rock Pro 4 that require the stock AMD backplate
Cons
- Zero instructions included, leaving buyers guessing whether to peel the plastic film off the insulating layer
- Quality control is hit-or-miss, with some users receiving units with poorly machined screw threads
- Does not include the front plastic retention clips, only the rear plate
Dimension Scores
It doesn't actively cool anything, but the rigid metal prevents poor cooler contact.
It is a solid piece of metal with zero moving parts, making it completely silent.
The metal is thick and resists bending, but occasional poorly tapped screw threads lower the score.
There are no cables to manage since the 3-pin connector listed in the specs is a typo.
Best For
- PC builders who threw away their stock AM4 backplate after installing an AIO liquid cooler
- Upgrading from a Hyper 212 to a BeQuiet! Dark Rock Pro 4, which requires the original motherboard backplate
- Flipping a used Ryzen motherboard that is missing its original mounting hardware
Not Recommended For
- Intel motherboard owners — the 90x54mm spacing will not align with LGA sockets
- AM5 motherboard owners, as AM5 uses a permanently affixed backplate
Watch Out For
- Catalog error — the spec sheet claims it has a '3-Pin connector' and '54mm fan', but this is literally just a piece of metal and plastic with no fan included.
- Confusing protective film — there is a clear film over the insulating layer on the back that you must leave on to prevent the metal from shorting out your motherboard.
- Missing front hardware — if your cooler requires the plastic hook-style retention brackets on the front of the motherboard, you will need to buy those separately.
Full Specifications
| UPC | 744678730066 |
| ASIN | B084GQFFBY |
| Brand | DGZZI |
| Material | Copper, ABS Plastic |
| Item Weight | 0.352 ounces |
| Manufacturer | DGZZI |
| Cooling Method | Air |
| Number of Items | 1 |
| Item model number | CPUMB-AM4-1 |
| Compatible Devices | Desktop |
| Product Dimensions | 2.13"L x 3.54"W x 3.54"H |
| Power Connector Type | 3-Pin |
What Buyers Say
The most common theme in the reviews is relief—people buy this because they lost their original motherboard backplate and are stuck mid-PC build. PC builders successfully use it to mount heavy air coolers like the Dark Rock Pro 4 that rely on stock AM4 hardware. The biggest point of confusion is the lack of instructions, specifically regarding the insulating film on the back. The inaccurate product specs claiming it includes a fan trip up several buyers. It is a basic stamped metal plate that saves a build when you misplace your original parts.
“Great replacement for the one that I misplaced after installing my after-market cooler, but it doesn't tell you if you have to remove the film on the back of the plate!”
Common Praise
- Perfectly matches the 90x54mm AM4 hole spacing for a drop-in replacement
- Thick metal construction easily supports heavy dual-tower air coolers without flexing
- Saves PC builds when upgrading from coolers that used proprietary backplates
- Includes the necessary insulating layer to protect the motherboard traces
Common Complaints
- Zero documentation included in the box
- Confusion over whether to peel the protective film off the back
- Inaccurate product listing claims it has a 3-pin fan connector
- Occasional manufacturing defects with the screw hole threading
Ownership Tips
- The adhesive on the insulating layer can get slightly gooey if your CPU runs at 90°C+ for extended periods.
- You will likely need to supply your own mounting screws depending on what your CPU cooler came with.
- Once installed, you will completely forget it exists, which is exactly what a backplate should do.
Frequently Asked Questions
Does this come with a cooling fan?
No. Despite the Amazon specs listing a '3-Pin connector' and '54mm fan size', this is strictly a mounting bracket. You must provide your own cooler.
Do I need to peel off the clear plastic film on the back?
No, leave it on. That film acts as an electrical insulator between the metal backplate and the exposed solder points on the back of your motherboard.
Will this work for an AM5 motherboard?
No. AM5 motherboards have a custom backplate that is permanently riveted to the CPU socket mechanism. This is strictly for AM4.
Does it include the front plastic mounting clips?
Usually no. This listing is typically just for the rear metal plate. If you need the front plastic hooks for a Wraith Prism cooler, look for a full retention kit.
What are the exact dimensions of the screw holes?
The threaded mounting holes are spaced exactly 90mm by 54mm, which is the standard layout for the AMD AM4 socket.
Buying Guide
You only need to buy this if you physically lost the metal plate that came pre-installed on the back of your AM4 motherboard. This usually happens when you install an aftermarket liquid cooler, throw the original parts in a drawer, and then try to switch back to a stock AMD Wraith cooler years later. Ignore the confusing spec sheet—this does not plug into your motherboard and does not have a fan. It is just the structural anchor your cooler screws into.
90x54mm Hole Spacing
This is the exact rectangular footprint of the AM4 socket. If a bracket doesn't have these exact measurements, your cooler screws won't line up with the holes.
Insulating Layer
Motherboards have hundreds of tiny, sharp solder joints on the back. This plastic layer acts like a coaster, preventing the metal bracket from touching the metal joints and short-circuiting your entire PC.
Metal Core
CPU coolers clamp down with a lot of pressure. A metal core acts like the spine of a book, keeping the motherboard perfectly flat instead of bowing under the tension.
Alternatives
If you are trying to mount a stock AMD Wraith Prism cooler, search for an 'AM4 retention bracket kit' that includes both this rear plate and the two plastic hooks for the front.
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