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OCZ B-Stock Refurb PowerStream 520W ATX12V V2.0 20/24PIN Low Noise Power Supply

This item is warranted by the product manufacturer only.
OCZ B-Stock Refurb PowerStream 520W ATX12V V2.0 20/24PIN Low Noise Power Supply - 1
Actual product may not be exactly as shown.
OCZ B-Stock Refurb PowerStream 520W ATX12V V2.0 20/24PIN Low Noise Power Supply - 67640_l.jpg Customer Photos (0)
OCZ Technology
Reg. Price: $54.99  CAD
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SKU: 67640
Shipping Weight: 6.4lbs

Part #: OCZ520ADJ-B

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Product Videos [ Edit ]

Features [ Edit | History ]

The OCZ PowerStream power supply family offers the quietest, most versatile and adaptable PSU available today. The PowerStream PSU family comes in 420W, 520W and 600W configurations; they are the ideal solution to your computer power needs.

With its universal ConnectAll connector, the PowerStream power supply offers all-in-one connectivity. (ATX, BTX, Serial ATA, P4 and EPS12V) Every OCZ power supply offers PowerShield power leads with enhanced EMI-control technology to reduce RF interference, stabilize input current and filter out "ripple noise."

Each OCZ PowerStream family member includes the PowerFlex feature for fine-tuning the three adjustable power rails. An LED sits below each of the three adjustment dials; a green light indicates voltage is within ±5% of optimal, a yellow light indicates undervoltage, and red indicates overvoltage. The OCZ PowerStream PSU box has an eye-catching nickel-plated chrome finish and boasts green exhaust fan LED's and colorfully wrapped wires.

Specifications [ Edit | History ]

  • OCZ PowerWhisper Technology
  • OCZ PowerFlex individually adjustable power rails with LED indicators.
  • OCZ ConnectAll™ universal connector. (ATX, BTX, SATA, P4 and EPS12V)
  • ATX12V 2.01
  • OCZ PowerShield™ power leads
  • Active PFC

Technical specifications

  • 175x150x86 mm
  • 23 dBA @ 60% load
  • 100~120Vac / 200~240Vac 10/6a
  • 200~240Vac only**
  • 420W:+3.3V(28A),+5V(30A), +12V(30A)
  • 520W: +3.3V(28A),+5V(40A), +12V(33A)
  • 600W: +3.3V(28A),+5V(46A), +12V1(20A), +12V2(18A)
  • Overvoltage/Short-Circuitprotection
  • Independent adjustable 3.3V/+5V/+12V rails.

Customer Reviews of OCZ Technology OCZ520ADJ-B

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding OCZ Technology OCZ520ADJ-B reviews.
Experience: 3 Months


- Price
- Quiet
- Heavy
- 1st unit DOA
First unit DOA. The replacement unit is in use and still going strong. Very quiet. Nice PSU for a low power HTPC.

Experience: 6 Months


Nice finish
2 SATA power-connector
green led (personal preference)
Got this as a backup and test unit when I had a random rebooting problem.

Its been running for 6 months, no problems.

I guess refurbs aren't so bad after all.

only complain is there is not enough SATA power connector, it has plenty of Molex connectors though.

Experience: 2 Weeks


Cheap, Cool green LED's on back fan.
Old product, many useless leads, only 1 6pin PCIE lead.
Bought this to replace an old PSU in my dads computer. Has been working wonderfully. Amazing price.

Experience: 2 Days


Looks great !
You can barely hear it !
None Yet !
I great power supply bought for 14.99$, so.. can't complain ! :)

Experience: 16 Weeks


-Nothing to complain about, works perfectly.
-Cables are a little short.
I love refurbished products, they are much cheaper and have always worked perfectly for me. This power supply is the same, it works perfectly but I would have prefered to have longer cables. Considering the price I paid, I cannot complain.

Experience: 4 Days


price availability ,
I bought this on sale for 19.99 with rebate come out to 9.99 great deal using it to replace a older systems power supply works great and didnt cost much so a great all round deal

Experience: 14 Days


Quiet,good quality, long cables
Not high efficiency, 3 months warranty
Looks nice, easy to install, runs good

The Nach
Experience: 6 Years


Durable. Visually appealing.
Bought one in 2006. It's still running my computer after 6 years just fine. Thinking about ordering a refurbished one.

Assuming it's been refurbished well, you wont regret buying one, especially at that price. Wouldn't use with today's new gaming PC, but great for a workstation or HTPC.

Experience: 1 Weeks


Very Quiet, Looks Great, Green LED Rear Fan
Only two SATA ports
So far so good, works great. Only two SATA connectors on the same cable. No good for mounting a SATA DVD in the top slot and an HD in the bottom which is the standard arrangement for most gaming cases. Will have to replace power supply if I want to add another drive.

Experience: 1 Weeks


- Quiet
- Efficient
- Nice Braided Cables
- Voltage Meter lights built-in
- Tons of Molex but only two SATA power connectors
- Power cable not included
- Value goes down when after purchasing necessary cables
So far, so good. Runs well and build quality is top notch. However, no power cable was included, so you will have to buy one separately (this was not mentioned in the product description).

Keep in mind that this was a top-of-the-line product at a time when SATA was bleeding-edge... hence only two SATA power connectors. Buy a Y-adapter.

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Messages about OCZ B-Stock Refurb PowerStream 520W ATX12V V2.0 20/24PIN Low Noise Power Supply

Rebate on May 3rd, bought on May 2nd (Bob_W- Aug 16, 12, 8 Replies)

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Forum messages are not reviewed and may not contain accurate information about a product. Message contents are opinions from customers based on their own experience with a product. We do not recommend you make puchasing decisions based on Forum messages.

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Product Warranty

First 30 days limited warranty through The remainder of the 3 year warranty is provided directly by the manufacturer.

For additional information and technical assitance, please visit OCZ support at:

OCZ Technical Support

Phone:  1-800-459-1816

Tech Support hours:
9:00 AM-6:30 PM Pacific,

For rebate issues, please contact OCZ Rebate Customer Service:

Rebate Customer Service
(408) 440-3416 Phone
Hours: M-F 9:00 AM-6:00 PM PST

Sales Policy

All pricing subject to change. For all prices, products and offers, reserves the right to make adjustments due to changing market conditions, product discontinuation, manufacturer price changes, errors in advertisements and other extenuating circumstances. Promotional offers from are subject to availability and are available only while supplies last. No rain checks will be issued on promotional items and offers.

While uses all reasonable efforts to include accurate and up-to-date information on the Site, makes no warranties or representations as to the Site's accuracy. assumes no liability or responsibility for any errors or omissions in the content on the Site. warrants product(s) to be in good working condition and free from defects in material and workmanship for a period of one (1) year for OEM packages, and for thirty (30) days for RETAIL packages (excluding laptops and notebooks), from the original Invoice date unless otherwise restricted below or by the manufacturer's own warranty policy. Defective returns and warranty service will be replaced, exchanged or repaired at's sole discretion, and based on vendor's policy.

NON-DEFECTIVE merchandise returns may be accepted on some items ONLY within 15 days of the Invoice date, at's discretion. Laptops and Notebooks can be returned within SEVEN (7) days from original invoice date. Return will only be accepted with original packaging, accessories, cables, free gifts (if applicable), unopened software and manuals and is subject to inspection before warranty approval. Laptop and notebook with tampered serial numbers or UPC code will be denied returns.

GOVERNMENT & BUSINESS Laptop and Notebook purchases made with government or business POs can be returned typically within fourteen (14) days from original invoice date. Return will only be accepted with original packaging, accessories, cables, free gifts (if applicable), unopened software and manuals and is subject to inspection before warranty approval. Laptop and notebook with tampered serial numbers or UPC code will be denied returns. Please check with your B2B sales representative for specific terms and details.

All NON-DEFECTIVE returns are subject to a 15% restocking fee. No refunds will be issued for blank media, digital camera (and accessories), opened software, printers, printer supplies, paper, projectors (and accessories), appliances, handhelds, PDAs, notebook computers, special order computers and special order items.

Defective software, video games or DVDs will be replaced by the SAME title and format ONLY (and subject to current availability) within 30 days of the Invoice date. Software, Drones, video games and DVDs may be returned within 30 days only if the item is UNOPENED (with shrink wrap still intact) at the sole discretion of does NOT apply a surcharge to credit card orders. Please read our RMA & warranty policy and terms & conditions for more information. If you have any questions regarding our sales and warranty policies, please send us a message -- we'll be glad to answer any of your questions.

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