General Information
测试设备
Technical Specifications Table
Noise Measurements Test Set Up
Stock Fan(s) RPM
Stock Fan(s) Noise Output – LAeq
Noise Output
Noise Dampening Performance – Test Tones
Noise Dampening Performance – Pink & Chirp
GPU Fan(s) Noise Output – Laeq
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转换效率与噪音等级认证
Corsair 4000D Airflow
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CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
Corsair 4000D Airflow
序号
1
Lab ID
CRCAS00098
Certification ID
Date: 2020-11-04
噪音等级
Aristeidis Bitziopoulos, Certification Body General Manager
General Information
测试设备
test-equip
测试 Environment
Hemi-Anechoic Chamber with 6 dB(A) noise floor
Conditions
25(±2) degrees Celsius, 40-50% humidity
Sound Analyzer
Bruel & Kjaer 2270-S G4 & 2250-L G4
Microphone
Bruel & Kjaer Type 4955-A
Mic Calibrator
Bruel & Kjaer Type 4231
Data Logger
Picoscope TC-08
Technical Specifications Table
tech-specs
Brand
be quiet!
Product Name
Dark Base Pro 900 rev. 2
Type
Full Tower
Dimensions (LxWxH)
577 x 243 x 586mm
Motherboard Support
Mini-ITX, Micro-ATX, ATX, E-ATX, XL-ATX
Removable Motherboard Tray
是
Front Door/Cover
是
Materials
Steel, ABS, Aluminum, Tempered Glass
Materials Side Panel
Left: Tempered Glass Right: Steel, ABS
Expansion Slots
8x
Drive Bays
5.25": 2x External 3.5 " : 5x Internal (can be used for 2x 2.5" each) 2.5" : 2x Internal
I/O Panel
2x USB 3.0, 1x USB 3.1 Gen 2 Type-C, 1x USB quick charge, 1x Headphone, 1x Microphone, 1x Qi Charger
Pre-installed Fan(s)
Front: 2x 140mm (SilentWings 3, 1600 RPM) Rear: 1x 140mm (SilentWings 3, 1600 RPM)
Fan Support
Top: 4x 120mm / 3x 140mm / 1x 180mm Bottom: 2x 120/140mm Front: 4x 120/3x 140mm Rear: 1x 120/140mm
Fan Bearing Type
Fluid Dynamic Bearing (FDB)
Fan Power Connector
4-Pin (PWM)
Fan/LED Controller
2-stage fan controller (8x 4-pin)
Radiator Support
Front: 120 / 140 / 240 / 280 / 360 / 420mm Top: 120 / 140 / 180 / 240 / 280 / 360 / 420mm Rear: 120 / 140mm
CPU Cooler Height (Max)
185mm
VGA Length (Max)
323mm (472mm without HDD cage)
PSU Length (Max)
284mm (150mm with bottom fan installed)
Dust Filters
Front, Bottom, Side
PSU Support
Bottom mount, ATX
Weight
14.39 kg
Warranty
3
Noise Measurements Test Set Up
noise-set-up
Stock Fan(s) RPM
stock-fans-gr
Stock Fan(s) Noise Output – LAeq
stock-fans-noise-output-gr
资讯
Stock Fan Noise Output from 40% to 100%
Noise Output
LAeq
LZeq
Noise Dampening Performance – Test Tones
LAeq
LZeq
Noise Dampening Performance – Pink & Chirp
LAeq
LZeq
GPU Fan(s) Noise Output – Laeq
gpu-fans-gr
资讯
NVIDIA GeForce GTX 970 Noise Output from 40% to 100% Fan Speed
Corsair 4000D Airflow
Case Photo
Case Photo #2
本测试报告中包含的所有数据和图表均可在以下条件下由任何人使用:使用过程需提及测试结果由Cybenetics提供。
在任何情况下都应提供原始测试结果文档的网站链接
Cybenetics提供ETA和Lambda自愿认证计划,透过该计划推广高效率及静音的电源
CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
www.cybenetics.com
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info@cybenetics.com