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Reviews and Problems with QNAP TS-421

Showing 1-10 of 11
Overall 9

Expert Review

Tweak Town
1 August 2013
  • Summary: We get many questions about NAS appliances after we publish reviews of small business products. A majority of the questions are about price. At $499 the QNAP TS-421 isn't exactly low cost and it certainly isn't cheap.
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Overall 9

QNAP TS-421 & QTS 4.0

26 July 2013
  • Summary: The TS-421 is essentially an upgraded TS-419P II with more RAM, which is the main reason behind the minimal price difference. It may seem like a small difference, but I assure you that its increased amount of RAM plays a key role in many of its functions and the new windowed QTS 4.0 firmware runing...
  • Pros: New QTS 4.0 is awesome!, Performance with USB 3.0 external storage devices, Very low power consumption, Silent operation, Tons of features, Quality construction, Support for four hot-swap disks, Supports all popular RAID levels, Dual Gigabit ports (with LACP support), Two USB 3.0 ports, LCD displ...
  • Cons: Price is on the high side, Not so fast in RAID 6 and RAID 5, CPU struggles to cope with heavy data throughput from multiple clients, Long boot/shut-down time, The HDD trays are not numbered, Should have an option for automatic media scanning deactivation when CPU load is increased, Short warranty
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Qnap TS-421

17 May 2013
  • Conclusion: The TS-421 NAS has been given the task of introducing the world to Qnap's refreshed operating system, QTS 4.0. It's both a privilege and a burden, as though QTS 4.0 has plenty going for it, Qnap's rapid product launch cycle leaves the TS-421 sat in the midst of half-a-dozen similar alternatives.
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QNAP TS-421 and TS-420

Legion Hardware
8 May 2013
  • Summary: The installation and setup of the new QNAP TS-421 and TS-420 went off without a hitch, just as the TS-221 and TS-220 did just weeks before. As we have come to expect from QNAP the setup process is extremely user friendly, allowing even none tech savvy users to setup and use their NAS products.
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Expert Review

27 April 2014
  • Summary: Accessible pour environ 450€, un environnement logiciel complet et un bon silence, soit environ le même prix que le Thecus N4560 ; le WD, quant à lui, est moins chère de 50€, et nous verrons ce que donne le Synology DS414 prochainement.
  • Pros: Consommation, Silence, Envirionnement logiciel
  • Cons: Performances, Temps de mise en place
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Квадрига с турбонаддувом. Обзор сетевого накопителя QNAP TS-421

12 November 2013
  • Conclusion: Результаты, которые пользователь может наблюдать выше, выглядят скромно. Да, железо неплохо работает с маленькими блоками данных. Да, TS-421 вполне хватит для воспроизведения нескольких фильмов в HD.
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Qnap TS-421 & Asustor AS-304T

59 Hardware
22 September 2013
  • Summary: Deux NAS quatre baies dédiés aux particuliers et aux contenus multimédia s'affrontent pour un combat sans merci: le Qnap TS-421 et le Asustor AS-304T.
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Externe harddisk - Qnap TS-221 en TS-421 NAS-servers

7 September 2013
  • Conclusion: Qnap Systems heeft met de TS-221 een veelzijdige en geavanceerde NAS-server voor thuisgebruik op de markt gebracht. De Qnap TS-221 is gemakkelijk in gebruik, snel en herbergt tal van professionele mogelijkheden om digitale content veilig op te slaan, te beheren, te back-uppen en via de ingebouwde...
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Test: QNAP TS421

6 July 2013
Overall 9

QNAP TS-421: Il NAS cambia "volto"

5 July 2013
  • Excerpt: Quest'oggi la redazione di XtremeHardware vi propone in test un nuovo NAS introdotto sul mercato da QNAP; il modello TS-421 dotato i 4 bay. In questo articolo ne approfitteremo per mostrarvi la videorecensione del nuovo sistema operativo QTS 4.0, che introduce importanti novità a livello software...
  • Pros: Numero elevato di servizi e protocolli, Hot Swap, eSATA e USB 3.0, Consumi ridotti, Buone prestazioni, Buone performance in Link Aggregation, QTS 4.0
  • Cons: Mancanza lettore schede SD., Mancanza AES 256-bit
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