Type A:
Compatible with 120 mm fans with 25 mm thickness with or without tunnel mountings (compare with Fig.)

GentleTyphoon 120 mm Series, Kama FLEX 120 mm Series, Kama PWM 120 mm, Slip Stream 120 mm Series, S-Flex 120 mm Series, Blue LED 120 mm, Blue LED 120 mm PWM, Kaze Maru 140 mm

Type B:
Compatible with 120 mm Fans without tunnel mountings regardless of the thickness of the fan (compare with Fig.)

Kama FLEX 120 mm Series, Slip Stream 120 mm Series, S-Flex 120 mm Series, Ultra Kaze 120 mm, Blue LED 120 mm, Blue LED 120 mm PWM, Kaze Maru 140 mm

SCASM-1000 (Andy Samurai Master CPU Cooler)
SCKBT-1000 (Kabuto CPU Cooler)
SCMG-2000 (Mugen 2 CPU Cooler)
SCINF-1000 (Mugen CPU Cooler)
SCNJ-2000 (Ninja 2 CPU Cooler)
SCNJ-2100 (Ninja 2 Rev. B CPU Cooler)
SCNJ-1100P (Ninja Plus Rev.B CPU Cooler)
SCMNJ-1000 (Ninja Mini CPU Cooler)
SCMNJ-1100 (Ninja Mini Rev. B CPU Cooler)
SCZP-1000 (Zipang CPU Cooler)
SCZP-2000 (Zipang 2 CPU Cooler)
SCORC-1000 (Orochi CPU Cooler)
SCORC-1100 (Orochi Rev. B CPU Cooler)
SCANG-1000 (Kama Angle CPU Cooler)
SCANG-1100 (Kama Angle Rev. B CPU Cooler)
SCNJ-CU1000 (Ninja CU CPU Cooler)
SCNJ-1000 (Ninja Plus Rev.A CPU Cooler)