Keep your CPU cool and your build looking sharp with the NZXT Kraken 240 (Octopus series) RL-KR240-B1 all-in-one liquid cooler. This sealed, maintenance-free 240mm AIO supports a wide range of Intel and AMD sockets, including LGA 1700/1851 and AM4/AM5 (Threadripper TR4/sTRX4 mount not included). Two 120mm PWM fans run 500–1800 RPM, pushing up to 78.86 CFM and 2.57 mmH₂O for strong cooling at around 33.88 dB. The standout feature is the 1.54” TFT display (240×240, 300 nits), fully customizable in NZXT CAM for stats or your own images. RGB lighting connects via internal USB 2.0 and SATA power, with adjustable screen orientation.
NZXT Kraken 240 RGB 240mm, Water Cooling (black)
| type | All-in-one water cooling |
| Color | black |
| EAN | 5056547202662 |
| Manufacturer's No. | RL-KR240-B1 |
| series | Octopus |
| Art | Water cooling kit |
| Suitable bases |
1150, 1151, 1155, 1156, 1700, 1851, AM4, TR4, sTRX4, 1200, AM5 |
| fastening | screwed |
| volume | 33.88 dB |
| equipment | LED lighting |
| LED lighting | Yes |
| Color | RGB |
| speed | 500 to 1,800 rpm |
| Heat sink material | Aluminum, copper |
| fan bearing | Plain bearings |
| Volume flow | 78.86 cfm |
| air pressure | Up to 2.57 mm/H2O |
| Radiator size | 2x 120 mm |
| pump | |
| Input voltage | 12 volts |
| Speeds | 800 rpm, 2,800 rpm |
| system | Closed system |
| power connection | 4-pin PWM |
| voltage range | 12 volts |
| Power consumption | 2.4 watts |
| feature |
Hose length: 400 mm, Display orientation: Standard, +90, +180 and -90 degrees adjustable via software, Active display area: 39.1 mm (1.54"), Display resolution: 240 x 240 pixels, Display brightness: 300 cd/m², Display type: Transmissive TFT, 262K colors, RGB control connection: 1x internal USB 2.0 port, 1x SATA power cable, Input: 12 V DC, 2.6 A, RGB light channels: 3, Output channel voltage: 5 V DC, Number of RGB channel output LEDs (NZXT): Up to 40 LEDs per channel and a total of 120 LEDs for all 3 channels combined |
| Further information |
You can customize the screen content with your own images or performance information using the user-friendly NZXT CAM software. You can control the fan and pump speeds and run them in 0-speed mode at low temperatures to avoid fan noise. |
| Notice | sTRX4, TR4 (Threadripper mount not included) |
| Dimensions | |
| Fan1 |
Quantity: 2 pieces, Width: 120 mm, Height: 120 mm, Depth: 26 mm |
| heat sink | Width: 275 mm x Height: 123 mm x Depth: 30 mm |
| In total | Width: 275 mm x Height: 123 mm x Depth: 56 mm |
| Weight | |
| In total | 1.3 kg |
































