Kamis, 15 April 2010

Power Supply Unit: OCZ ModXStream Pro 500W

ModXStream Pro dari OCZ merupakan seri PSU dengan sistem kabel modular dan PFC aktif dengan varian 500W, 600W dan 700W. Sebelumnya pernah dibahas OCZ ModXStream Pro 600W. Yang akan dibahas dalam artiketl ini adalah model 500W. Di salah satu toko komputer di Jakarta, PSU ini dihargai Rp.676.000,-. Bagaimana dengan performanya? Mari dilihat dahulu fitur-fiturnya.

Kabel yang disertakan:
* Main motherboard cable with a 20/24-pin connector, 17 ¾” (45 cm) long (permanently attached to the power supply).
* One cable with one ATX12V connector, 18 1/8” (46 cm) long (permanently attached to the power supply).
* One cable with one EPS12V connector, 18 1/8” (46 cm) long (permanently attached to the power supply).
* One cable with one six-pin connector for video cards, 18 ½” (47 cm) long (modular cabling system).
* One cable with one six/eight-pin connector for video cards, 18 ½” (47 cm) long (modular cabling system).
* Two cables with three SATA power connectors each, 18 1/8” (46 cm) to the first connector, 5 7/8” (15 cm) between connectors (modular cabling system).
* Two cables with two standard peripheral power connectors and one floppy disk drive power connector each, 18 1/8” (46 cm) to the first connector, 5 7/8” (15 cm) between connectors.

Spesifikasi pokoknya adalah:
* ATX12V 2.2
* EPS12V 2.91
* Nominal labeled power: 500 W at 40º C.
* Measured maximum power: 569.8 W at 44.5º C.
* Labeled efficiency: 86% at typical load (i.e. at 250 W), 80 Plus Standard certification
* Measured efficiency: Between 81.0% and 85.0% at 115 V (nominal, see complete results for actual voltage).
* Active PFC: Yes.
* Modular Cabling System: Yes, partial.
* Motherboard Power Connectors: One 20/24-pin connector, one ATX12V connector and one EPS12V connector (all permanently attached to the power supply).
* Video Card Power Connectors: One six-pin connector and one six/eight-pin connector in separated cables (modular cabling system).
* SATA Power Connectors: Six in two cables (modular cabling system).
* Peripheral Power Connectors: Four in two cables (modular cabling system).
* Floppy Disk Drive Power Connectors: Two in two cables.
* Protections: Over Voltage (OVP), Over Power (OPP) and Short-Circuit (SCP). Although not listed by the manufacturer, this unit has also Under Voltage (UVP) and Over Current (OCP) protections.
* Warranty: Three years.
* More Information: ocztechnology

Konfigurasi kabelnya sama persis dengan model 600W. Hampir semua kabel menggunakan tipe 'kawat' (wire) 18 AWG (standard minimum) kecuali untuk kabel +3.3 V (orange) memakai 16 AWG. Tingkat efisiensi PSU ini sangat menakjubkan! Antara 81% - 85%. Begitu pula dengan sistem pengaturan tegangannya (voltage regulation), semuanya masih dalam ambang batas 3% dari yang semestinya. Tingkat distorsi tegangannya pun berada di bawah nilai maksimum yang dibolehkan.
Hardware Secrets memberinya Hardware Secrets Golden Award melihat performanya berbanding lurus dengan harganya.
(sumber: Hardware Secrets-Gabriel Torres dan OCZ)

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