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Western Digital Caviar Green 2TB - zelena grdosija
15.01.2010.
    « Prev  : Stranica 2 od 2 :  Next »      By ::  Krešimir Matanović 
- Rezultati testova i Zaključak -

Rezultati testova

 

HD Tach

Average Read (MB/s)
WesternDigital 2TB Green
92,9
  
Hitachi Deskstar T7K500-500
66,7
  
 
025507510
0
 
Average Write (MB/s)
WesternDigital 2TB Green
81,9
  
Hitachi Deskstar T7K500-500
56
  
 
030609
0
 
Random Access (ms)
Hitachi Deskstar T7K500-500
14,3
  
WesternDigital 2TB Green
17,3
  
 
0 91
8
 

Nije baš po proizvođačevim navodima, ali svejedno performanse su odlične za disk koji ima Green u svojem imenu. Uskoro se nadamo isprobati i primjerak iz Black serije pa ćemo vidjeti koliko znači veća brzina vrtnje ploča i isplati li se izdvajati znatno veća količina novca za njega.

IO Meter

Total I/O per second
WesternDigital 2TB Green (100% Random)
120,42
  
WesternDigital 2TB Green (100% Sequential)
480,45
  
 
010020030040050
0
 
Total MB per second
WesternDigital 2TB Green (100% Random)
0,24
  
WesternDigital 2TB Green (100% Sequential)
0,94
  
 
00,0250,050,0750,
1
 
Average I/O Response time (ms)
WesternDigital 2TB Green (100% Random)
165,991
  
WesternDigital 2TB Green (100% Sequential)
41,62
  
 
0459013518
0
 
Maximum I/O Response time (ms)
WesternDigital 2TB Green (100% Random)
2149,104
  
WesternDigital 2TB Green (100% Sequential)
449,2229
  
 
05501100165022
00
 
% CPU Utilization
WesternDigital 2TB Green (100% Random)
0,19
  
WesternDigital 2TB Green (100% Sequential)
0,68
  
 
00,10,20,30,40,50,60,
7
 

Performanse u IO Metru donosimo preko dva različita scenarija. Queue Depth je uvijek 20 što predstavlja pojačani multitasking, a u oba scenarija je odnos čitanja/pisanja 67%/33%. Prvi scenario je nasumični slijed read/write opearcija, a drugi sekvencijalni. Brojke su za sada samo informativnog karaktera, sve dok ne isprobamo disk iz Black serije.

 

Zaključak

Po svemu viđenom, Caviar Green kapaciteta 2TB je vrlo dobar disk. Premda mu se ploče definitivno vrte znatno niže od 7.200 okretaja u minuti, performanse su sasvim zadovoljavajuće a tek je vrijeme pristupa malo povećano. 2TB model se malo više zagrijava i troši više električne energije od svoje manje braće, no za uzvrat nudi i veći kapacitet. Prosječna cijena na Hrvatskom tržištu mu je između 1350 i 1400kn što je fer iznos (oko 75lp po GB). 2TB disk iz Black serije je i do 700 kuna skuplji, a tek nam ostaje vidjeti koliko je i brži. Konkurent Samsung pak nema 2TB model i tu je WD u prednosti. Samsung EcoGreen F1 1.5TB model košta oko 800kn, dok Caviar Green od 1.5TB košta u prosjeku oko 850kn pa je pitanje odabira na razini osobnog preferiranja pojedinog proizvođača. Isto tako treba znati da su ti modeli znatno jeftiniji po gigabajtu (oko 60lp) pa i to treba uzeti u obzir prilikom izbora. Sve u svemu, onaj kome je smanjena razina buke i zagrijavanja bitna, treba disk velikog kapaciteta i pristojnih performansi kupovinom bilo 1.5TB ili 2TB Caviar Green modela zasigurno neće pogriješiti.

 Western Digital Caviar Green 2TB 
Pozitivno + Niska potrošnja električne energije, nisko zagrijavanje, niska razina buke, solidne preformanse.
Negativno - Nešto više vrijeme pristupa, masa, viša cijena po MB u odnosu na 1.5TB model.
Ocjena
85%  
Ustupili Asbis

Western Digital Caviar Green 2TB



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