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Reviews and Problems with OCZ OCZ-ZS650W

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OCZ ZS Series 750W Power Supply Review

PC Perspective
9 December 2011
  • Excerpt: OCZ recently introduced the ZS Series power supplies, which are targeted towards value-oriented gaming systems. The ZS Series complements OCZ's High Performance and Max Performance power supplies and provides an affordable entry point for PC enthusiasts on a budget who still want good efficiency along with NVIDIA SLI or ATI CrossFire support.
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OCZ Technology ZS Series 750w Power Supply

OverClock Intelligence Agency
24 October 2011
  • Summary: OCZ has a nice and simple power supply in the ZS series. There aren't any surprises and not too many bells and whistles either; it's exactly what you'd expect from a value-minded offering. The chassis is solid black all around with accent stickers on both sides. There are no modular cables which means you will need a place to store all of the excess wires in your case. That is, if you are concerned with aesthetics and airflow.
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OCZ ZS series 650W power supply review

The Guru of 3D
9 October 2011
  • Summary: If you are not in the market for an truly expensive highly efficient model power supply with all whistles and bells like safe guard, flashing LEDs but simple want a honest decent efficiency stable PSU, well then the PSU tested today will be a nice alternative. The market is tough and stiff though.
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Overall 8

OCZ ZS Series 750 W

19 September 2011
  • Summary: With the ZS series OCZ adresses the value oriented users that seek for a branded but affordable PSU to power their systems and don't care about characteristics like modular design, DC-DC converters, Gold efficiency etc. In order to keep down the price, some compromises had to be made so the platform does not use cutting edge technology, on the contrary it uses an older but proven design.
  • Pros: Although its continuous output is rated only up to 40°C the PSU handled full power at 47.1 ambient. However we would like it to have 50°C rating, Good ripple suppression on the minor rails (5V & 3.3V), Voltage regulation at +12V and 5V is within 3% range, Good efficiency levels (for a Bronze unit) with 80W and 100W loads, Japanese capacitors are solely used, something that means prolonged lifespan and increased reliability
  • Cons: At this price it faces really strong competition from units that utilize modern designs/components (e.g. DC-DC converters), Mediocre ripple suppression at +12V and 5VSB, +12V registered a very high voltage drop in the third part of Turn on Transient Tests (PSU off to full +12V), Main ATX cable is a little short and may cause compatibility problems in large cases, Distance among the peripheral and SATA connectors is too short (85 mm), Wires among the peripheral and SAT...
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Overall 8

OCZ ZS Series 650 W

12 September 2011
  • Summary: The conclusion of the ZS 650W is almost the same as the one for the ZS 750W. The ZS series targets the value oriented users so it doesn't utilize modern characteristics like DC-DC converters, modular design etc. On the other hand all the ZS units I reviewed/disassembled feature Japanese capacitors; high quality caps mean prolonged life and reliability.
  • Pros: Handled full power at 46.4°C although it is rated up to 40°C, Good ripple/noise suppression at 5V, 3.3V and 5VSB and decent at +12V, Within 3% voltage regulation at +12V and 5V, Controlled voltage drops at Advanced Transient Response Tests, Good efficiency levels (for a Bronze unit) with 80W and 100W loads
  • Cons: Its price puts it against strong components that utilize modern designs (e.g. DC-DC converters that yield better efficiency), Pure performance in the third test of Turn on Transient Tests where +12V dropped very low, The main ATX connector is a little short and may cause compatibility problems in large cases, Low max. operating temperature, 50° would be better, The distance among the peripheral and SATA connectors is too short (85 mm), The wires between the peripheral...
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OCZ ZS Series 650 W Power Supply Review

Hardware Secrets
15 August 2011
  • Summary: The OCZ ZS Series 650 W proved to be an outstanding mainstream power supply. It can really deliver its labeled wattage at high temperatures, and we could pull up to 780 W. Voltages are closer to their nominal values than required (3% voltage regulation), noise and ripple levels are low, and it provides  terrific efficiency for the market to which it is targeted, between 84% and 86% when we pulled between 20% and 80% of the unit’s labeled power (i.e.
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Overall 9

OCZ ZS Series 550W Power Supply Review

8 September 2011
  • Excerpt: 2 Flares 2 Flares × OCZ have had many successes in recent years, and one of the most noticeable would be their StealthXstream series of power supplies. Today we are looking at a very competitively priced power supply in their new value range, the ZS Series 550W which replaces the StealthXstream 2.
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Overall 8
Value for money 8

OCZ ZS Series 550W

5 May 2013
  • Summary: Nicht wirklich überraschend: Das OCZ ZS Series 550W konnte keine (neuen) Rekordwerte bei unserer Chroma Teststation erzielen. Muss es aber auch nicht - denn in erster Linie wurde dieses Netzteil für preisbewusste Anwender und Mittelklasse-Gaming-Rechner konzipiert. Und für dieses Einsatzgebiet eignet sich unser Testmuster uneingeschränkt.
  • Pros: saubere Verarbeitung, ausreichend Leistung für Mittelklasse Gaming-PCs, 80Plus-Bronze, effektives Kühlsystem, Länge der Kabel, günstig
  • Cons: kein modulares Kabelmanagement, Verbrauch im Standby könnte etwas niedriger sein, Lüfter unter Last leicht hörbar
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Be Quiet Power L7 630W / OCZ ZS Series 650W review

22 October 2011

OCZ ZS Series 750w

28 September 2011
  • Excerpt: Una fuente de alimentación de gama media con prestaciones de gamas más altas combinada con una gran eficiencia y un formato compacto que se adapta a cualquier sistema.
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