Dark Rock is the high-end series of the be quiet! range of CPU coolers. It comprises double-tower, single-tower and top-flow cooler designs. They all offer incredible performance-to-noise ratios and the highest reliability available with absolutely no compromise in silence and performance.
Dark Rock coolers are virtually inaudible and place the famous be quiet! SilentWings® technology at the heart of your PC. They are excellent for overclocked systems and demanding multi-graphics platforms.<br><br><b>No Compromise Silence and Performance</b><br><br>Dark Rock 4 offers an extreme cooling performance and virtually inaudible operation. Perfect for overclocked systems and demanding workstations.<br><br>- Silent Wings 135mm PWM fan features an advanced fluid-dynamic bearing and a smooth 6-pole motor<br>- Optimal balance of cooling and quietness with only 21.4dB(A) at maximum fan speed<br>- Six high-performance copper heat pipes that provide maximal heat conductance<br>- Wave-contoured coolin This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-00-024-9512, indicating validated use in U.S.
government and defense logistics supply chains.
| shape | SQUARE |
| height | 21.260 INCHES MINIMUM AND 21.500 INCHES MAXIMUM IN |
| length | 18.730 INCHES MINIMUM AND 18.910 INCHES MAXIMUM IN |
| material | STEEL ALLOY |
| thickness | 3.190 INCHES NOMINAL IN |
| body_width | 0.525 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN |
| body_height | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| body_length | 1.270 INCHES MINIMUM AND 1.290 INCHES MAXIMUM IN |
| overall_width | 1.000 INCHES NOMINAL IN |
| tube_quantity | 34 |
| overall_length | 7.000 INCHES NOMINAL IN |
| memory_capacity | UNKNOWN |
| NSN | 5962-00-024-9512 |
| OUTPUT LOGIC FORM | P-TYPE METAL OXIDE-SEMICONDUCTOR LOGIC |
| INPUT CIRCUIT PATTERN | 11 INPUT |
| TEST DATA DOCUMENT | 80063-SM-C-659919 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| MEMORY CAPACITY | UNKNOWN |
| TERMINAL SURFACE TREATMENT | SOLDER |
| MEMORY DEVICE TYPE | ROM |
| VOLTAGE RATING AND TYPE PER CHARACTERISTIC | -30.0 VOLTS MINIMUM POWER SOURCE AND 0.3 VOLTS MAXIMUM POWER SOURCE |
| TERMINAL TYPE AND QUANTITY | 24 PRINTED CIRCUIT |
| INCLOSURE CONFIGURATION | DUAL-IN-LINE |
| INCLOSURE MATERIAL | CERAMIC AND GLASS |