{"data":{"slug":"thermalright-peerless-assassin-120-se","type":"cpu_cooler","brand":"Thermalright","name":"Peerless Assassin 120 SE","aliases":["PA120 SE","PA120SE","Peerless Assassin 120 SE Black","PA120 SE 1700"],"release_date":"2021-10","url":"https://arkivo.dev/cpu-coolers/thermalright-peerless-assassin-120-se","specs":{"series":"Peerless Assassin","model_numbers":["PA120 SE 1700"],"gtins":["0814256003759"],"announce_date":null,"status":"available","predecessor":null,"successor":null,"launch_price_usd":36,"launch_price_eur":null,"markets":null,"colors":null,"manufacturer_url":"https://www.thermalright.com/product/peerless-assassin-120-se/","spec_sheet_url":null,"manual_url":"https://download.thermalright.com/manuals/PEERLESSASSASSIN120SE.pdf","eprel_registration_number":null,"warranty_years":null,"cpu_cooler":"air","air_cooler_layout":"dual_tower","rated_tdp_w":null,"base_material":"nickel_plated_copper","thermal_paste":"included","sockets":["AM5","AM4","LGA1851","LGA1700","LGA1200","LGA1156","LGA1155","LGA1151","LGA1150"],"ram_clearance_mm":null,"offset_mounting":null,"heatpipe_count":6,"heatpipe_diameter_mm":6,"direct_contact_heatpipes":null,"radiator_mm":null,"radiator_dimensions_mm":null,"radiator_material":null,"tube_length_mm":null,"pump_speed_max_rpm":null,"pump_connector":null,"vrm_fan":null,"fans":[{"model":"TL-C12C","size_mm":120,"count":2,"speed_min_rpm":null,"speed_max_rpm":1550,"airflow_cfm":66.17,"static_pressure_mmh2o":1.53,"noise_dba":25.6,"bearing":"fluid_dynamic","connector":"pwm_4_pin"}],"fan_count":2,"rgb_lighting":false,"lighting_standard":null,"display_type":"none","display_size_in":null,"display_resolution":null,"software_name":null,"usb_header_required":false,"cybenetics_theta_am5":null,"cybenetics_theta_lga1851":null,"measured_op_30dba_am5":null,"measured_op_30dba_lga1851":null,"measured_noise_max_dba":null,"measured_thermal_tests":[{"test_cpu":"Intel Core i9-12900K","load":"Cinebench with a 200 W CPU power limit, 10 minute run, be quiet! Silent Base 802 case","cpu_power_w":200,"fan_setting":"default motherboard fan curve","noise_dba":null,"cpu_temp_c":null,"temp_over_ambient_c":61},{"test_cpu":"Intel Core i9-12900K","load":"OCCT small data set with a 200 W CPU power limit, 10 minute run, be quiet! Silent Base 802 case","cpu_power_w":200,"fan_setting":"default motherboard fan curve","noise_dba":null,"cpu_temp_c":null,"temp_over_ambient_c":64}],"dimensions_mm":{"width_mm":125,"height_mm":155,"depth_mm":135},"heatsink_dimensions_mm":{"width_mm":125,"height_mm":155,"depth_mm":110},"weight_g":970,"heatsink_weight_g":730,"in_the_box":["Heatsink x1","Fan x2","Fan Y-cable x1","AMD bracket x2","Intel bracket x2","Intel 115X/1200 back plate x1","Fan clip x4","115X/1200 standoff x4","Intel screw x4","Thermal grease x1","AM4 standoff x4","AM4 screw x4","LGA17XX back plate x1","17XX standoff x4","Installation guide"]},"variants":[],"sources":[{"url":"https://www.thermalright.com/product/peerless-assassin-120-se/","kind":"manufacturer_page","accessed":"2026-10-16","fields":["release_date","series","manufacturer_url","cpu_cooler","air_cooler_layout","base_material","sockets","heatpipe_count","heatpipe_diameter_mm","fans","heatsink_dimensions_mm","heatsink_weight_g"],"notes":{"release_date":"The page shows no launch date. Its product images sit in the site's 2021/10 upload folder, and the installation guide PDF is titled with the date 20211105. A second Thermalright page, Peerless Assassin 120 SE Black, lists identical specs. The first independent review found is Tom's Hardware of September 2022, so 2021-10 is approximate.","series":"Category: Peerless Assassin.","air_cooler_layout":"Listed under Dual Towers in the Peerless Assassin series.","base_material":"Copper Base: C1100 Pure copper nickel plated.","sockets":"Intel 115X/1200/1700/1851 and AMD AM4/AM5. 115X is written as LGA1150, LGA1151, LGA1155 and LGA1156. The older installation guide covers AM4, 115X/1200 and 1700 only. The page names AM5 and LGA1851.","heatpipe_count":"Heat pipes: 6mm heatpipe x 6 units.","fans":"TL-C12C fan spec: 120 x 120 x 25 mm, 120 g each, rated speed 1550 RPM +/-10% (MAX), noise 25.6 dBA, air flow 66.17 CFM (MAX), air pressure 1.53 mm H2O (MAX), 0.20 A, 4 pin PWM connector, S-FDB bearing. S-FDB is stored as fluid dynamic. The page gives no minimum speed. Two fans come in the box per the installation guide parts list.","heatsink_dimensions_mm":"Heatsink Specifications: L125 mm x W110 mm x H155 mm. L runs across the fins and W along the airflow of this dual-tower cooler, so width 125, depth 110 and height 155.","heatsink_weight_g":"Heatsink Specifications: Weight 730g."}},{"url":"https://download.thermalright.com/manuals/PEERLESSASSASSIN120SE.pdf","kind":"manual","accessed":"2026-10-16","fields":["manual_url","thermal_paste","usb_header_required","in_the_box","fans"],"notes":{"manual_url":"One-page folded installation guide (English and Chinese), PDF dated November 2021.","thermal_paste":"Parts list item J: Thermal Grease x1. The steps say to apply thermal grease on the CPU. Tom's Hardware names a medium-sized tube of thermal paste.","usb_header_required":"The Fan Wiring panel shows only the 4-pin PWM CPU_FAN header, with a Y-cable for two fans. No USB connection is shown.","in_the_box":"Parts List items A to N as printed, quantities kept. The guide's item F is the Intel 115X/1200 back plate and M the LGA17XX back plate. The Installation guide line comes from the Tom's Hardware package list, wording shortened.","fans":"Parts list item B: Fan x2, and item C: Fan Y-cable x1 that joins both fans to one PWM header."}},{"url":"https://www.watercoolinguk.co.uk/product/thermalright-peerless-assassin-120-se-cpu-cooler-120mm/","kind":"retailer","accessed":"2026-10-16","fields":["model_numbers","gtins","status","dimensions_mm","weight_g"],"notes":{"model_numbers":"MPN: PA120 SE 1700. This is the retailer's manufacturer part number, not printed on Thermalright's page.","gtins":"EAN 0814256003759. Paradigit lists the same number as 814256003759 under Product number manufacturer.","status":"50 in stock on the access date at 33.11 GBP excluding VAT. Thermalright's page is live.","dimensions_mm":"Technical details: Dimensions with fan 125 x 155 x 135 mm (W x H x D) and without fan 125 x 155 x 110 mm. The without-fan figure matches Thermalright's heatsink size, and the 25 mm front fan explains the extra 25 mm of depth. Paradigit prints 138 mm of depth with a width of 120 mm, which does not match Thermalright's 125 mm, so it is not used.","weight_g":"Technical details: Weight with fan 970 g and without fan 730 g (the page prints Weight with fan twice). 970 g equals the heatsink 730 g plus two 120 g fans. Tom's Hardware lists a net weight of 850 g, which fits one fan and is not used."}},{"url":"https://www.tomshardware.com/reviews/thermalright-peerless-assassin-120-se","kind":"review_site","accessed":"2026-10-16","fields":["launch_price_usd","rgb_lighting","display_type","fans","thermal_paste","in_the_box","measured_thermal_tests"],"notes":{"launch_price_usd":"Spec table, supplied by Thermalright: MSRP $36 USD. The review is dated September 2022, so this is the US MSRP at that time and may not be the launch price. Tax is not stated.","rgb_lighting":"The fan spec table lists Lighting: None, and the text says there is no RGB or lighting at all.","display_type":"The review describes a dual-tower heatsink with two plain fans and no screen.","fans":"The package includes 2x TL-C12C 120mm fans. The fan table repeats Thermalright's figures: 1550 RPM +/-10%, 66.17 CFM, 1.53 mm H2O, 25.6 dB(A).","thermal_paste":"A medium-sized tube of thermal paste is in the package.","in_the_box":"Package list: dual-tower heatsink, 2x TL-C12C fans, mounts for modern Intel and AMD platforms, a medium-sized tube of thermal paste, a fan splitter and an installation guide.","measured_thermal_tests":"Albert Thomas, review last updated 27 September 2022. Intel Core i9-12900K on an MSI Z690 A-Pro DDR4 in a be quiet! Silent Base 802 case. Each stress test ran 10 minutes with the fans on the motherboard's default fan curve. Row 1: Cinebench with a 200 W CPU power limit, the CPU averaged 61 degrees C over ambient. Row 2: OCCT small data set at 200 W, 64 degrees C over ambient. The ambient temperature, the paste and whether the case was closed are not stated. Noise and the other rows (95 W, 140 W, 50 percent fan speed) are only in chart images, so they are not stored."}}],"fields_filled":25,"updated":"2026-10-16"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}