Page 1
EFFICIENCY AND NOISE
LEVEL CERTIFICATIONS
www.cybenetics.com
Cooler Master Silencio S400 (Sound-Proof
Evaluation Report
Top Panel)
TEST EQUIPMENT
Test 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
All data and graphs included in this test report can be used by any individual on the following conditions:
› It should be mentioned that the test results are provided by Cybenetics
› The link to the original test results document should be provided in any case
Cybenetics offers the ETA and Lambda voluntary certification programs, through which the efficient
and silent power supplies are promoted
PAGE 1/9
info@cybenetics.com
4004 MESA GEITONIA, LIMASSOL, CYPRUS
Page 2
EFFICIENCY AND NOISE
LEVEL CERTIFICATIONS
www.cybenetics.com
Cooler Master Silencio S400 (Sound-Proof
Evaluation Report
TECHNICAL SPECIFICATIONS TABLE
Brand Cooler Master
Product Name Silencio S400
Type Mini Tower
Dimensions (LxWxH) 403.5 x 210 x 404mm
Motherboard Support Mini-ITX, Micro-ATX
Removable Motherboard Tray No
Front Door/Cover Yes
Materials Body Steel, Plastic, Sound Dampening Material
Materials Side Panel
Expansion Slots 4x
Drive Bays
Left:Sound-Dampened Steel
Right: Sound-Dampened Steel
5.25": 1x External
3.5 " : 4x Internal
2.5" :4x Internal
Top Panel)
I/O Panel
Pre-installed Fan(s)
Fan Support
Fan Bearing Type Rifle
Fan Power Connector 4-Pin (PWM)
Fan/LED Controller No
Radiator Support
CPU Cooler Height (Max) 167mm
VGA Length (Max) 319mm
PSU Length (Max) 140mm / 325mm (w/o front radiator & HDD cage)
Behind MB Tray Clearance/Cable Management Support 20mm
2x USB 3.2, 1x audio/mic combo jack, 1x SD Card Reader, 1x Power Button, 1x Reset
Button
Front: 1x 120mm ( 800-1400 RPM)
Rear: 1x 120mm (800-1400 RPM)
Top: -
Front: 2x 120mm / 2x 140mm
Top: 1x 120mm / 1x 140mm or 2x 120mm / 2x 140mm (remove ODD cage)
Rear: 1x 120mm
Front: 120/140/240/280mm (remove ODD cage)
Top: 120/240mm (with ODD removed)
Rear: 120mm
Dust Filters Top, Front, Bottom
PSU Support Bottom Mount, ATX
Weight 6.6 kg / 6.8 kg (with sound-dampened upper panel)
All data and graphs included in this test report can be used by any individual on the following conditions:
› It should be mentioned that the test results are provided by Cybenetics
Warranty 2-years
› The link to the original test results document should be provided in any case
Cybenetics offers the ETA and Lambda voluntary certification programs, through which the efficient
and silent power supplies are promoted
PAGE 2/9
info@cybenetics.com
4004 MESA GEITONIA, LIMASSOL, CYPRUS
Page 3
EFFICIENCY AND NOISE
LEVEL CERTIFICATIONS
www.cybenetics.com
Cooler Master Silencio S400 (Sound-Proof
Evaluation Report
Stock Fan(s) RPM
Top Panel)
INFO
Stock Fan Speed from 40% to 100%
Stock Fan(s) Noise Output – LAeq
INFO
Stock Fan Noise Output from 40% to
100%
All data and graphs included in this test report can be used by any individual on the following conditions:
› It should be mentioned that the test results are provided by Cybenetics
› The link to the original test results document should be provided in any case
Cybenetics offers the ETA and Lambda voluntary certification programs, through which the efficient
and silent power supplies are promoted
PAGE 3/9
info@cybenetics.com
4004 MESA GEITONIA, LIMASSOL, CYPRUS
Page 4
EFFICIENCY AND NOISE
LEVEL CERTIFICATIONS
www.cybenetics.com
Cooler Master Silencio S400 (Sound-Proof
Evaluation Report
GPU Fan(s) Noise Output – LAeq
Top Panel)
NVIDIA GeForce GTX 970 Noise Output from 40% to 100% Fan Speed
All data and graphs included in this test report can be used by any individual on the following conditions:
› It should be mentioned that the test results are provided by Cybenetics
› The link to the original test results document should be provided in any case
Cybenetics offers the ETA and Lambda voluntary certification programs, through which the efficient
and silent power supplies are promoted
PAGE 4/9
info@cybenetics.com
4004 MESA GEITONIA, LIMASSOL, CYPRUS
Page 5
EFFICIENCY AND NOISE
LEVEL CERTIFICATIONS
www.cybenetics.com
Cooler Master Silencio S400 (Sound-Proof
Evaluation Report
Noise Output LAeq – Test Tones
Top Panel)
INFO
Noise Output in DB(A) from 100 Hz to 20
kHz
Noise Output LZeq – Test Tones
INFO
Noise Output in DB(Z) from 100 Hz to 20
kHz
All data and graphs included in this test report can be used by any individual on the following conditions:
› It should be mentioned that the test results are provided by Cybenetics
› The link to the original test results document should be provided in any case
Cybenetics offers the ETA and Lambda voluntary certification programs, through which the efficient
and silent power supplies are promoted
PAGE 5/9
info@cybenetics.com
4004 MESA GEITONIA, LIMASSOL, CYPRUS
Page 6
EFFICIENCY AND NOISE
LEVEL CERTIFICATIONS
www.cybenetics.com
Cooler Master Silencio S400 (Sound-Proof
Evaluation Report
Noise Dampening Performance LAeq – Test Tones
Top Panel)
Noise Dampening Performance in dB(A) from 100 Hz to 20 kHz
All data and graphs included in this test report can be used by any individual on the following conditions:
› It should be mentioned that the test results are provided by Cybenetics
› The link to the original test results document should be provided in any case
Cybenetics offers the ETA and Lambda voluntary certification programs, through which the efficient
and silent power supplies are promoted
PAGE 6/9
info@cybenetics.com
4004 MESA GEITONIA, LIMASSOL, CYPRUS
Page 7
EFFICIENCY AND NOISE
LEVEL CERTIFICATIONS
www.cybenetics.com
Cooler Master Silencio S400 (Sound-Proof
Evaluation Report
Noise Dampening Performance LZeq – Test Tones
Top Panel)
Noise Dampening Performance in dB(Z) from 100 Hz to 20 kHz
All data and graphs included in this test report can be used by any individual on the following conditions:
› It should be mentioned that the test results are provided by Cybenetics
› The link to the original test results document should be provided in any case
Cybenetics offers the ETA and Lambda voluntary certification programs, through which the efficient
and silent power supplies are promoted
PAGE 7/9
info@cybenetics.com
4004 MESA GEITONIA, LIMASSOL, CYPRUS
Page 8
EFFICIENCY AND NOISE
LEVEL CERTIFICATIONS
www.cybenetics.com
Cooler Master Silencio S400 (Sound-Proof
Evaluation Report
Noise Dampening Performance LAeq – Pink & Chirp
Top Panel)
INFO
Chirp & Pink Noise Noise Dampening
Performance (dB[A])
Noise Dampening Performance LZeq – Pink & Chirp
INFO
Chirp & Pink Noise Noise Dampening
Performance (dB[Z])
All data and graphs included in this test report can be used by any individual on the following conditions:
› It should be mentioned that the test results are provided by Cybenetics
› The link to the original test results document should be provided in any case
Cybenetics offers the ETA and Lambda voluntary certification programs, through which the efficient
and silent power supplies are promoted
PAGE 8/9
info@cybenetics.com
4004 MESA GEITONIA, LIMASSOL, CYPRUS
Page 9
EFFICIENCY AND NOISE
Case Photo #2
QR Code
LEVEL CERTIFICATIONS
www.cybenetics.com
Cooler Master Silencio S400 (Sound-Proof
Evaluation Report
Top Panel)
All data and graphs included in this test report can be used by any individual on the following conditions:
› It should be mentioned that the test results are provided by Cybenetics
› The link to the original test results document should be provided in any case
Cybenetics offers the ETA and Lambda voluntary certification programs, through which the efficient
and silent power supplies are promoted
PAGE 9/9
info@cybenetics.com
4004 MESA GEITONIA, LIMASSOL, CYPRUS
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