Gigabyte B840M DS3H Motherboard - AMD Ryzen 9000 CPUs, 8+2+2 Phases VRM, up to 8200MHz DDR5

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💡 How to pick a motherboard
What to look for:
  • Socket matches your CPU (AM5, LGA1851, etc.)
  • Form factor fits your case (ATX, mATX, ITX)
  • RAM type (DDR4 or DDR5) and slot count
💰 Budget: $100-$150. Mid-range: $180-$280. High-end: $300+ with WiFi, PCIe 5.0
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ProductSocketForm FactorChipsetWiFiValuePrice
B840M DS3H Motherboard - AMD Ryzen 9000 CPUs, 8+2+2 Phases VRM, up to 8200MHz DDR5 Motherboard
B840M DS3H Motherboard - AMD Ryzen 9000 CPUs, 8+2+2 Phases VRM, up to 8200MHz DDR5
Gigabyte★★★★★4.5🔥 DEAL -$23Sold by Amazon Germany via Amazon
AM5
mATX
B840
None
B
$194.99
$172.31
2 stores
Specifications
SocketAM5
Form FactormATX
MemoryDDR5
RAM Slots4
Max RAM256
WiFiNone
Weight1000 Grams
Model #B840M DS3H
PERFORMANCE
69%
Customer Reviews★★★★★4.2 · 5 reviews
★★★★★Defective
Got a defective part from Best Buy, and only really acted up after the 2-week deadline for the motherboard for me to refund it. Be very careful of what you order here!
Jaxx · 2026-02-15 · via bestbuy
★★★★★Gigabyte B850
Nice motherboard. I like the layout of it. Best buy was fast in shipping it out
Jskt64 · 2025-12-06 · via bestbuy
★★★★★Looks nice. So far so good.
[Employee of bestbuy] Solid board. Pros: Good power delivery design. No coil whine as far as I can tell with stress test. Looks great. Sturdy. Minimal on board RGB. Easy install. LOTS OF EXPANDABILITY. Top m.2 slot shares lane with PCIe 5 x16. Other two slots each have their own separate lanes. Easy detach for beefy GPUs. Straight forward BIOS and EXPO enabling. 5 year warranty. Out of the box support for Ryzen 7800X3D so no need to flash the BIOS. Cons: Kinda pricey but what isn't these days. Box does not come with security seal so I can only assume this one hasn't been opened. The first one I ordered had divots near the opening flap that made me second guess if it was opened before or not.
PCBuilder · 2025-11-22 · via bestbuy
★★★★★Great motherboard
Beautiful design, runs very well and compatible with my system.
RubenA · 2025-10-10 · via bestbuy
★★★★★Motherboard
I wouldn't change nothing on it multiple Works beautiful and smooth love the Wi-Fi
MiguelA · 2025-08-30 · via bestbuy
Buy Now
AmazonBEST
✓ In Stock
Sold by Amazon Germany via Amazon
$172.31
Buy →
Newegg3RD-PARTY SELLER
✓ In Stock
$203.99
Buy →
Best Buy
Not tracked at this retailer
N/A
VALUE SCORE
B
16.0
Good value
Performance (69%) ÷ Price ($172.31) = 16.0
S ≥28 · A ≥20 · B ≥14 · C ≥8 · D <8
FUTURE-PROOFING
✅AM5 — supported through 2027+
✅DDR5 memory
💰
Below MSRP
Was $194.99 → $172.31
Save $31.68 at amazon vs newegg
12% off
B840M DS3H Motherboard - AMD Ryzen 9000 CPUs, 8+2+2 Phases VRM, up to 8200MHz DDR5 Motherboard
CONSIDER INSTEAD
SAVE $82.3200000000000199% of this product's perf
ASRock B550 Phantom Gaming 4
Socket
AM4
Chipset
B550
Form
ATX
WiFi
None
$89.99
+25% FASTER$32.31 cheaper
ASRock B850M Pro RS WiFi
Socket
AM5
Chipset
B850
Form
mATX
WiFi
WiFi 6E
$140