Aristeidis Bitziopoulos, Laboratory General Manager
General Information
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
Technical Specifications Table
Brand
Kolink
Product Name
Observatory
Type
Midi Tower
Dimensions (LxWxH)
435 x 201 x 435 mm
Motherboard Support
Mini-ITX, Micro-ATX, ATX, E-ATX
Removable Motherboard Tray
No
Front Cover
Yes
Materials Body
Steel, Plastic, Tempered Glass
Materials Side Panel
Left: Tempered Glass Right: Steel
Expansion Slots
7x
Drive Bays
5.25": - 3.5 " : 2x Internal 2.5" : 4x Internal
I/O Panel
1x USB 3.0, 2x USB 2.0, 1x Audio Jack, 1x Mic Jack, 1x Power Button, 1x Reset Button, 1x ARGB Button
Pre-installed Fan(s)
Front:3x 120mm RGB Rear: 1x 120mm RGB
Fan Support
Front: 3x 120 mm / 2x 140 mm Top: 2x 120 mm / 2x 140 mm Rear: 1x 120 mm
Fan Bearing Type
Rifle
Fan Power Connector
3-Pin
LED Controller
Yes
Radiator Support
Front: 240 / 280 mm Top: 240 mm
CPU Cooler Height (Max)
160 mm
VGA Length (Max)
380 mm
PSU Length (Max)
200 mm
Dust Filters
Top, Bottom
PSU Support
Bottom Mount, ATX
Weight
6.8 kg
Warranty
2-years
Graphs
Stock Fan(s) RPM
Stock Fan(s) Noise Output – LAeq
INFO
Stock Fan Noise Output from 40% to 100%
Noise Output LAeq – Test Tones
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
Noise Dampening Performance LAeq – Test Tones
INFO
Soundproof Performance in dB(A) from 100 Hz to 20 kHz
Noise Dampening Performance LZeq – Test Tones
INFO
Soundproof Performance in dB(Z) from 100 Hz to 20 kHz
Noise Dampening Performance LAeq – Pink & Chirp
INFO
Chirp & Pink Noise Soundproof Performance (dB[A])
Noise Dampening Performance LZeq – Pink & Chirp
INFO
Chirp & Pink Noise Soundproof Performance (dB[Z])
GPU Fan(s) Noise Output – LAeq
INFO
NVIDIA GeForce GTX 970 Noise Output from 40% to 100% Fan Speed
Kolink Observatory
Case Photo
Case Photo #2
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
