₹17,175

MRP ₹22,000 (incl. of all taxes)

🚚 Shipping ₹379 · FREE on orders above ₹25,000

EMI available at checkout (credit / debit card EMI via Razorpay)

In stock · dispatched in 1–2 working days
Delivery across India in 2–8 days · insured

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The ASUS Prime B840M-A-CSM M-ATX is a B840 Micro-ATX motherboard for AMD Ryzen 7000, 8000 and 9000 series processors, with DDR5 memory support.

Better options in the B840 chipset range

Same B840 chipset family, a little more money — here is what you get extra.

ASUS Prime B840M-A WIFI 6E CSM DDR5 AMD Motherboard
- Built-in Wi-Fi — no extra Wi-Fi card needed
- Supports faster DDR5 memory
₹18,610+₹1,450 more
ASUS Prime B840-Plus WIFI 6E CSM DDR5 AMD Motherboard
- Built-in Wi-Fi — no extra Wi-Fi card needed
- Supports faster DDR5 memory
₹20,600+₹3,490 more

Key specifications

AMD Ryzen 7000, 8000 and 9000 series. Newer chips may need a BIOS update.

Yes.

No — add a Wi-Fi card or use a wired connection.

Genuine product with brand warranty
GST invoice on every order
Insured delivery across India
Free compatibility check before dispatch — or build a full PC with our PC Builder

Brand	ASUS
Category	Motherboard
Model / MPN	90MB1J10-M0IAYC
Socket	AM5
Chipset	B840
Form factor	Micro-ATX
Memory type	DDR5
Memory	DDR5
Wi-Fi	No
CPU support	AMD AM5
Maximum memory	192GB
Memory support	DDR5
Cpu Type	Ryzen 9000,Ryzen 8000,Ryzen 7000
Memory Speed	up to 7600+
Max Memory Support	256 GB
Supported Memory Type	DDR5
Channel Supported	Dual Channel
Graphics Port	2 x DisplayPort,1 x HDMI
Condition	New, sealed box
Warranty	Manufacturer warranty · details
Invoice	GST tax invoice (input credit available)
Delivery	Insured shipping to every serviceable pin code in India