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NEC ND2500A vs. Toshiba SD-R5272
30.07.2004.
    « Prev  : Stranica 2 od 5 :  Next »      By ::  Krešimir Matanović 
- NEC ND2500A i Toshiba SD-R5272 -

NEC ND2500A

Crni NEC

Kod NEC-a nam se najviše svidjelo to što prilikom kupovine možemo birati između tri boje prednje maske. Na izbor nam je stavljena klasična bež, crna i srebrna boja. Ovaj uređaj za snimanje brzinom 8x koristi metodu Z-CLV (Zone-Constant Linear Velocity), što u praksi znači da postoje tri zone snimanja. Prva od 0 od 0.8GB teče brzinom 4x, druga od 0.8 do 2,2Gb se snima brzinom od 6x i konačno zadnja od 2.2 do 4,4Gb se snima brzinom 8x, što rezultira prosjekom od 6.8x (9384Kb/s). NEC-ov uređaj se diči i sa dvije tehnologije koje mu osiguravaju stabilan i pouzdan rad. Prva je Active OPC (aktivna optimizacija kontrole snage) koja dinamički nadgleda snagu pisanja i refleksiju medija u upotrebi i pri tom računa optimalnu snagu lasera i mijenja ju u realnom vremenu. Druga je "high resolution writing strategy", koja koristi naprednu lasersku modulaciju koja povećava točnost zapisanih podataka. Dakle NEC je stavio izraziti naglasak na pouzdanost i sigurnost vaših podataka. Kao mane ćemo samo navesti to što je čitanje Video DVD-a zaključano na 5x CAV i probleme kod čitanja malo oštećenih medija (što npr. Toshibi nije predstavljalo problem).

Tehnički podaci:

  • Prijenos podataka: Čitanje: DVD: 12x CAV (max. 16200 Kb/s) CD: 40x CAV (max. 6000 Kb/s) Pisanje: DVD-R: 8x (max. 11040 Kb/s) DVD-RW: 4x (max. 2760 Kb/s) DVD+R: 8x (max. 11040 Kb/s) DVD+RW: 4x (max. 5520 Kb/s) CD-R: 32x (max. 4800 Kb/s) CD-RW: 16x (max. 2400 Kb/s)
  • Pristupno vrijeme: DVD: 140 ms; CD: 120 ms
  • Memorija: 2 Mb sa Buffer Underrun zaštitom
  • Sučelje: ATAPI Ultra DMA 33 mode 2
  • PIO Mod: Mode 4
  • Audio konektori: Slušalice, kontrola glasnoće, analogni i digitalni izlaz
  • Podržani mediji: DVD-ROM, DVD-R, DVD+R, DVD-RW, DVD+RW, CD-ROM, CD-R i CD-RW sa 80mm i 120mm promjerom
  • Podržani modovi: DVD-ROM, DVD Video, CD-DA, CD Extra, CD Text, CD-ROM, CD-ROM XA, CD-I, CD-I Ready, CD-Bridge, Photo-CD, Video CD
  • Metode zapisivanja: DVD:Random Access Writing (DVD±RW) Sequential Writing (DVD±R/DVD±RW) CD: DAO (disc at once), SAO (session at once), TAO (track at once) sa zero gap, variable ili fixed packet, multisession
  • Specijalni dodaci: Vertical operation possible Anti-dust seal PC 2001 Certification MultiRead compliant
  • Težina: 1.02kg
  • Dimenzije: 148mm x 42mm x 190mm

 

Toshiba SD-R5272

Toshiba u punom sjaju

Toshiba je uvijek glasila kao firma koja proizvodi kvalitetne komponente a takav slučaj je i sa ovom DVD snimalicom. Uređaj je nešto manji i lakši od NEC-ovog, a koliko nam je poznato dolazi samo u klasičnoj (i pomalo dosadnoj) bež boji. Kvaliteta izrade je vrlo solidna, ali je ipak nešto bučniji od NEC-ovog modela. No, sve je u granicama normale. Toshiba također koristi Z-CLV metodu snimanja kod 8x no ona ima samo dvije zone, slično kao kod Plextora. Za razliku od NEC-a, Toshibina DVD snimalica nema izlaz za slušalice, kao ni pratećeg potenciometra. To i nije osobit problem jer većina novih kućišta dolazi sa front audio izlazima. Uređaj ipak ima jednu ozbiljniju manu a to je spora brzina snimanja CD-R/W medija koja iznosi samo 10x. Kome navedene mane nisu problem taj će u potpunosti biti zadovoljan ovim iznimno kvalitetnom proizvodom.

Tehnički podaci:

  • Prijenos podataka: Čitanje: DVD: (Single) 6760 - 16224KB/s DVD: (Dual) 4432 - 10816KB/s, DVD-R, DVD+R: 5408 - 10816KB/s,DVD-RW, DVD+RW: 5408 - 8112KB/s, DVD-RAM: 2704KB/s, CD: 2588 - 6000KB/s (mod 1), 2950 - 6843KB/s (mod 2), CD-RW: 1294 - 3000KB/s (mod 1), 1475 - 3422KB/s (mod 2) Pisanje: DVD-R: (Ver 2.0) 1,100 - 2,780rpm (2X CLV), 2,200 - 5,560rpm (4X CLV), 4,100 - 6,800rpm (4/5/8X ZCLV), DVD-R: (Ver 2.0) 550 - 1,390rpm (1X CLV), 1,100 - 2,780rpm (2X CLV), 2,200 - 5,560rpm (4X CLV), DVD+R: 1,380 - 3,300rpm (2.4X CLV), 2,200 - 5,560rpm (4X CLV), 4,100 - 6,800rpm (4/5/8X ZCLV), DVD+RW: 1,380 - 3,300rpm (2.4X CLV), 2,200 - 5,560rpm (4X CLV); CD-R: 850 - 1,980rpm (4X CLV), 2,550 - 5,940rpm (12X CLV), 3,400 - 5,940rpm (12, 16X ZCLV), 5,130 - 6,800rpm (12/16/20/24/32X ZCLV), CD-RW: 850 - 1,980rpm (4X CLV), High Speed CD-RW:850 - 1,980rpm (4X CLV), 2,125 - 4,950rpm (10X CLV)
  • Pristupno vrijeme: DVD: 130ms, CD: 110ms, DVD-RAM: 200ms
  • Memorija: 2 Mb sa Buffer Underrun zaštitom
  • Sučelje: ATAPI Ultra DMA 33 mode 2
  • PIO Mod: Mod 4
  • Audio konektori: analogni i digitalni izlazi
  • Podržani mediji: DVD-ROM, DVD-R, DVD+R, DVD-RW, DVD+RW, CD-ROM, CD-R and CD-RW sa 80mm i 120mm promjerom
  • Podržani modovi: DVD-ROM, DVD Video, CD-DA, CD Extra, CD Text, CD-ROM, CD-ROM XA, CD-I, CD-I Ready, CD-Bridge, Photo-CD, Video CD
  • Metode zapisivanja: DVD:Random Access Writing (DVD±RW) Sequential Writing (DVD±R/DVD±RW) CD: DAO (disc at once), SAO (session at once), TAO (track at once) sa zero gap, variable ili fixed packet, multisession
  • Težina: 1.0kg
  • Dimenzije: 146mm x 41.5mm x 189.5mm


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