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Usporedni test hard diskova
07.05.2001.
    « Prev  : Stranica 1 od 4 :  Next »      By ::  Ozren Žagmešter 
- Uvod -

Nakon većinom testova matičnih ploča i grafičkih kartica eto nas u malo drukčijim vodama - među hard diskovima. Hard diskovi su često komponenta koja se zanemaruje - bitno je da imaju dovoljni kapacitet da stane sve potrebno i to je to. No, njihov značaj je mnogo veći - hard diskovi su trenutno usko grlo računala. Iako je njihov kapacitet u zadnje vrijeme strašno narastao te cijena po GB pala, njihove performanse baš i nisu značajno napredovale (pogotovo u usporedbi s ostalim dijelovima računala - procesor, grafička kartica, itd.). Iako SCSI diskovi nude najviše, njih nismo uključili u ovaj test jer su zbog visoke cijene totalno neprilagođeni većini korisnika, i to ne samo u Hrvatskoj. Kod nas je, naravno, situacija još izraženija.

Hard diskovi - ružni i nužni

Testirali smo ukupno 11 hard diskova; 5 diskova koji se vrte na 5400 okretaja i 6 diskova koji se vrte na 7200 okretaja. Većina testiranih diskova podržavaju i najnoviji ATA-100 standard dok ostali podržavaju barem ATA-66. To je zanemariva razlika jer se trenutno ni jedan disk nije u stanju približiti brojci od 66 MB/s prilikom prebacivanja podataka, a još manje 100 MB/s koliko to u teoriji (i samo teoriji) trenutno nudi ATA-100. Htjeli smo da svi diskovi budu istog kapaciteta (radi točnosti usporedbe performansi), no to nismo uspjeli ostvariti - u dućanima u Zagrebu se tako brzo mijenja stanje na skladištu da boli glava. Što je tu je.

 
Kapacitet
Okretaja
ATA standard
Brzina pristupa
Buffer
Ustupili
Quantum Fireball Lct15
20.4GB
5400
66/33
12ms
512kb
Quantum Fireball Lct20
20.4GB
5400
100/66/33
12ms
128kb
Quantum Fireball Plus LM
20.5GB
7200
66/33
8.5ms
2048kb
Quantum Fireball Plus AS
20.5GB
7200
100/66/33
8.5ms
2048kb
WD307AA (Caviar)
30.7GB
5400
66/33
9.5ms
2048kb
WD273BA (Expert) [stari model]
27.3GB
7200
66/33
9.0ms
2048kb
-
WD300BB (Caviar)
30.0GB
7200
100/66/33
8.9ms
2048kb
Maxtor DiamondMax VL40
20.4GB
5400
100/66/33
9.5ms
512kb
Maxtor DiamondMax 45 Plus
20.0GB
7200
100/66/33
8.7ms
2048kb
IBM DTLA 305040
41.1GB
5400
100/66/33
9.5ms
512kb
IBM DTLA 307015
15.3GB
7200
100/66/33
8.5ms
2048kb

U test smo uključili i jedan stariji disk kojeg više nije moguće kupiti u dućanu - Western Digital Expert 273BA. Ovaj disk koristimo u našoj referentnoj mašini pa smo ga odlučili uključiti u test. Tu je i zato da se vidi napredak u performansama u zadnje dvije godine (WD 273BA je rano '99 godište).



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