We have reviewed several AIO coolers on the channel in recent months but today it’s the return of air coolers as we have two very similar spec and similar priced big dual tower air coolers to review so instead of an individual review for each cooler, we are putting these two head to head to find out which one is the best. read more here: https://bit.ly/3F1r0cf We never offer affiliate links or take percentages of product sales. If we say the product is good or bad we mean it. Our Editor in chief wrote about why you should value this and how the industry is rife with fake reviews from 'influencers' - read here https://bit.ly/3pXzaw4: http://bit.ly/2BopnF9 00:00 Start 00:37 Pricing 01:13 Assassin IV technical details 01:46 MA824 Stealth technical details 02:50 Assassin IV accessories box 03:37 MA824 Stealth accessories box 04:25 Assassin IV close look 07:37 MA824 close look 10:08 Installation process 11:55 Testing the coolers 12:25 Noise Output 12:53 Thermal performance / 40dBa 13:56 James thoughts on the coolers Price and availability CM MA824 Stealth – Available now - MSRP – £89.99 – Actual Price £99.99 Scan. co.uk Deepcool Assassin IV – Available now MSRP - £84.99 – Actual Price £84.98 Scan.co.uk Deepcool Assassin IV Features: • Seven 6mm diameter heatpipes heat pipes • Dual aluminium black-coated heatsink fin stacks • 120mm and 140mm Deepcool FDB fans • Unobstructed RAM clearance on AMD AM4/AM5 and Intel LGA 1700/1200/115X desktop platforms. • Total height of 164mm for improved compatibility. • Heatsink-mounted switch for swapping between Performance and quiet modes. • Optional 3rd fan bracket included Specification: • CPU Socket Compatibility – LGA1700, LGA1200, LGA1151, LGA1150, LGA1156, LGA1155, AM5, AM4 • Dimensions (L x W x H) - 144×147×164 mm(L×W×H) • Heat Sink Material – 7 x Ø6mm Heat Pipes, Aluminium Fins • Fan Dimensions (L x W x H) - 140×140×25 mm(L×W×H) / 120×120×25 mm(L×W×H) • Fan Speed – 500-1700 RPM±10% (performance mode) • Fan Airflow - 79.1 CFM / 58.06 CFM (performance mode) • Fan Pressure - 2.44 mmH₂O / 2.1 mmH₂O (performance mode) • Fan Noise Level - ≤29.3 dB(A) (performance mode) • Fan Bearing Type - Fluid Dynamic Bearing • Fan Power Connector - 4-Pin (PWM) • Warranty - 6 years Heatsink: • Solid copper base • 7 x 6mm heat pipes • Dual aluminium fin stacks • Overall height of 164mm Fans: • 120mm and 140mm Deepcool FDB fans • Fan speed – 500 – 1700 RPM (Performance Mode) 500 – 1350 (quiet Mode) • Max airflow - 79.1 CFM / 58.06 CFM (performance mode) • Max Pressure - 2.44 mmH₂O / 2.1 mmH₂O (performance mode) • Max noise – 29.3dBA (performance mode) • Connector – 4-pin PWM MA824 Stealth Features: • Eight New Superconductive Composite heat pipes – different internal texture at the bottom and top of the pipe for improved heat dissipation - fine texture at the bottom on the evaporator side and coarse texture at the top on the condenser side. • Uses two fans - one 135mm central and a 120mm front Mobius series fan. • All back stealth design. • 120mm front fan allows for Maximum RAM clearance of 42mm for improved compatibility. • Pre-applied high-performance thermal paste. • Compatible with all current desktop CPU platforms including Intel LGA1700/1200/115X and AMD AM4/AM5. • 5 year warranty Cooler Master MA824 Stealth Specification: • CPU Socket Compatibility – LGA1700, LGA1200, LGA1151, LGA1150, LGA1156, LGA1155, AM5, AM4 • Dimensions (L x W x H) - 162.2 x 150.6 x 165.6 mm • Heat Sink Material - 8 Heat Pipes, Aluminium Fins • Fan Dimensions (L x W x H) - 135mm Fan: 135 x 135 x 26 mm, 120mm Fan: 120 x 120 x 25 mm • Fan Speed - 135mm Fan: 0-1550 RPM ± 15%, 120mm Fan: 0-1950 RPM ± 15% • Fan Airflow - 135mm Fan: 63.6 CFM (Max), 120mm Fan: 63.1 CFM (Max) • Fan Pressure - 135mm Fan: 1.92 mmH₂O, 120mm Fan: 2.69 mmH₂O • Fan Noise Level - 135mm Fan: 24.6 dBA (Max), 120mm Fan: 22.6 dBA (Max) • Fan Bearing Type - Loop Dynamic Bearing • Fan Power Connector - 4-Pin (PWM) • Warranty - 5 years Radiator: • N/A Pump: • N/A Heat sink: • 8 Superconductive Composite heat pipes • Dual Aluminium fin stacks • Large solid copper base plate Fans: • 135mm and 120mm Mobius fans • Fan speed - 135mm Fan: 0-1550 RPM / 120mm Fan: 0-1950 RPM • Max airflow - 135mm Fan: 63.6 CFM / 120mm Fan: 63.1 CFM • Max Noise - 135mm Fan: 24.6 dBA / 120mm Fan: 22.6 dBA • Max Pressure - 135mm Fan: 1.92 mmH₂O / 120mm Fan: 2.69 mmH₂O • Connector – 4-pin PWM Test System Spec: • CPU: AMD Ryzen 9 7950X • Motherboard: Gigabyte X670 Aorus Elite AX • Memory: 32GB Kingston Fury FK560C36BBEAK2-32 DDR5-6000 • Graphics card: Gigabyte RX 6700 XT Gaming OC • Storage: 500GB Corsair MP600 PCIe Gen4 NVME M.2 SSD • Power Supply: Seasonic Prime TX-1000 • Chassis: Open Test Bench • Thermal Compound: Arctic MX-6 • Operating System: Windows 11 Version 22H2 #deepcool #coolermaster #bestcooler