Thermalright Assassin King 120 SE
air, 155mm tall, rated for 150W TDP.
** The Thermalright Assassin King 120 SE costs ₹1,799–2,199 on Amazon India and MDComputers. It's a single-tower, 4-heatpipe cooler with a 120mm TL-C12 fan that runs at 28–30 dBA under load. Realistically handles 100–120W TDP in Indian summer conditions (ambient 35°C+). Fits AM4,
Catalogue classification: official India distribution. This does not verify a retailer's current stock. Confirm the exact model, invoice and applicable India warranty with the seller or brand.
Full specs
CPUs this cooler can handle
Where to buy Thermalright Assassin King 120 SE in India
Indicative catalogue range: ₹2,100-2,300 for the Thermalright Assassin King 120 SE. This is not a verified current retailer price. Confirm price and availability with the seller and buy with a proper GST invoice for warranty claims.
Compare the exact model, current availability, invoice and written warranty terms before paying. A retailer link or catalogue label does not verify the stock you will receive.
Thermalright Assassin King 120 SE Review India - Best Air Cooler Under ₹2,200?
The Cheapest Cooler That Actually Works - Thermalright Assassin King 120 SE at Under ₹2,200
At ₹1,799–2,199, the Thermalright Assassin King 120 SE (AK120 SE) shouldn't be this good. That price point in India has historically meant either a garbage rebranded block of aluminium or a stock cooler in a different box. The AK120 SE breaks that pattern. I've recommended it on several office and Ryzen 5 5600 builds and it has held up every time - not because it competes with mid-range coolers thermally, but because it does exactly what a budget cooler should: keeps a 65W processor running cool without the noise, without costing you ₹500 more than the CPU itself, and without any installation drama.
This is not the cooler for your Ryzen 7 9700X in an Indian summer. That needs something like the DeepCool AK620. But for an i3-14100F in a ₹40k budget gaming build, or a Ryzen 5 5600 in a ₹25k office/study machine, the AK120 SE is the most sensible ₹1,800 you'll spend.
30-Second Version: The Thermalright Assassin King 120 SE costs ₹1,799–2,199 on Amazon India and MDComputers. It's a single-tower, 4-heatpipe cooler with a 120mm TL-C12 fan that runs at 28–30 dBA under load. Realistically handles 100–120W TDP in Indian summer conditions (ambient 35°C+). Fits AM4, AM5, LGA1700, LGA1851. At 155mm height it clears most mid-towers. Best pick for Ryzen 5 5600, i3-14100F, and Pentium Gold office builds. Not for gaming-level thermal headroom - get the DeepCool AK400 if you're pushing 125W+ chips in a hot room.
Thermal and Noise Performance
Four heatpipes, a dense aluminium fin stack, and Thermalright's TL-C12 fan - that's the whole package. It sounds minimal because it is. But Thermalright has spent years refining their fin stack geometry, and the AK120 SE punches above its price in every independent test I've reviewed from Gamers Nexus and Hardware Unboxed.
In controlled benchmarks (21°C ambient), the AK120 SE keeps a Ryzen 5 5600 around 62–65°C under Cinebench R23 multi-core. That's solid for a sub-₹2,000 cooler. The honest India caveat: add 10–12°C if you're running in a poorly ventilated room at 35°C ambient in May. You're looking at 73–77°C - still within spec, but without headroom. Once you push to a 65W TDP chip under sustained load in real Indian summer conditions, I'd call the practical ceiling 120W, not the marketing spec.
Noise is the pleasant surprise. The TL-C12 fan spins at 1550 RPM max and produces 28–30 dBA under load. That's noticeably quieter than the DeepCool AG400's 35–37 dBA at full bore, and significantly better than any stock AMD or Intel cooler. Throttled down at idle it's functionally inaudible.
India Pricing, Availability, and Socket Compatibility
Thermalright is a newer entrant in the Indian market and that shows in distribution. Unlike DeepCool or Cooler Master - which have wide offline presence across tier-2 cities - Thermalright India stock is concentrated on Amazon India and MDComputers. I haven't found consistent AK120 SE stock at PrimeABGB, Vedant Computers, or local offline retailers in most cities outside Mumbai, Delhi, and Bengaluru.
Price range: ₹1,799–2,199 depending on timing and seller. Amazon India is typically the cheapest with occasional flash deals pushing it under ₹1,800. MDComputers is reliable with consistent stock and good shipping. GST is included in listed prices - don't expect any hidden additions at checkout.
Socket compatibility is thorough: AM4, AM5, LGA1700, and LGA1851 are all supported out of the box. Thermalright includes the mounting hardware for all four sockets in the box, and installation is genuinely simple. At 155mm height it clears the side panel on virtually every standard mid-tower ATX case in the Indian market.
Warranty is the weak point. Thermalright's India RMA process is not mature. If you get a defective unit, you're likely resolving it through the retailer rather than a dedicated service center. For most buyers that's fine - just buy from Amazon India or MDComputers where returns are straightforward.
Who Should Buy / Who Should Skip
Buy the AK120 SE if:
- You're building a ₹25k office/study PC around a Ryzen 5 5600, Ryzen 5 4600G, or Pentium Gold
- Your CPU is the i3-14100F - this cooler is more than adequate for its 58W TDP
- You're in a climate-controlled room or you live somewhere with milder summers (above 1,000m elevation - this changes the math meaningfully)
- Budget is genuinely tight and you need every rupee for GPU or RAM
- You're in a major city and can get it from Amazon India with reliable delivery
Skip the AK120 SE if:
- You're in a tier-2 or tier-3 city without reliable Amazon India delivery and need local availability
- You're running a Ryzen 5 7600 or Ryzen 5 9600X and want gaming-level thermal headroom - the DeepCool AK400 is better for those at ₹2,500–3,000
- Your ambient room temperature regularly exceeds 35°C in summer with poor ventilation
- You need a dependable local RMA option - Thermalright's India service network isn't there yet
For anything in the 125W–200W TDP range, look at the Thermalright Peerless Assassin 120 SE or DeepCool AK620.
Related:
Price we have actually seen
Hover or tap the chart for a recorded price. Use ← → when focused.
View all recorded prices
| Date | Price |
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| ₹2,534 | |
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| ₹3,867 |
Up 52.6% since we started tracking. Every point is a price our crawler recorded at an Indian retailer - no estimates, no MSRP. Tracking began recently, so the window grows week by week.
Questions
Yes, comfortably. The Ryzen 5 5600 is a 65W TDP chip and the AK120 SE handles 120W realistic in Indian ambient. Even at 35°C room temperature, the 5600 stays well within safe temperature limits. I've seen builds with this combo running at 72–74°C peak under extended load in May, which is fine.
They're close in price (AG400 is ₹2,000–2,300) and thermally similar for 65W chips. The AK120 SE edges ahead on noise - the TL-C12 is measurably quieter than DeepCool's bundled fan. The AG400 has wider availability in Indian offline stores. If you're in a tier-2 city and can find the AG400 locally, get it. If you're ordering online, the AK120 SE is slightly better.
At 155mm height it fits every mainstream mid-tower I've checked - including the Antec NX291, Zebronics Fabour, and Corsair 4000D Airflow. If your case manual says 155mm+ clearance you're fine. Measure if you're using a budget cabinet without published specs.
No. Both those chips regularly draw 125W+ under load. The AK120 SE would thermal throttle them, especially in Indian summer conditions. For those CPUs at ₹60k+ builds, budget for the AK400 at minimum.