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Manufacturer Warranty
Beyond any applicable Newegg return policy, this item is warranted independently by the product's Manufacturer. Below is a summary provided for convenience only and may not be accurate or current.
Use this link for full details.
- Manufacturer Limited Warranty period (parts): 3 years
- Manufacturer Limited Warranty period (labor): 3 years
Manufacturer Contact Info
Return Policies
This item is covered by Newegg.com's Standard Return Policy.
- Return for refund within: 30 days
- Return for replacement within: 30 days
- Restocking Fee: Yes
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The Silverstone ST85ZF power supply packs prime power and efficiency (around 80%!) in a compact unit. This PSU cranks up to 850 Watts of continuous power. It features a 24-pin motherboard connector, an 8-pin ATX12V connector, an 8-pin to 4-pin ATX12V adapter connector, a 6-pin AUX connector, four 6-pin PCI-E connectors, six SATA power connectors, six 4-pin IDE power connectors, and two 4-pin floppy power connectors, to wire up almost anything you can imagine.
Industrial class components deliver top-of-the-line performance. It features an 80 mm ball bearing fan, for quiet cooling. The Silverstone ST85ZF is capable of supporting ATX 12V 2.2 and EPS12V. The Quad +12V rail ensures superior performance, with independent and reliable power to both your CPU and video cards.
A 24-Pin main connector, and SLI support round out the mix. The over voltage protection feature provides protection from electrical surges. This power supply from Silverstone has an MTBF of 100,000 hours. Plug it in and run it as hard as you like! It'll keep putting out all the power you need!
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- 5
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- 52%
- 4
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- 12%
- 3
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- 4%
- 2
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- 8%
- 1
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- 24%
| Product Rating: |
 
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| Total Reviews: |
25 |
Suprising performance
- Pros: Uses very little power. In fact, none.
- Cons: "Power Supply" is a bit of a misnomer since it does not actually "supply" any "power" to anything. "Decorative Paperweight Sporting Colored Wires" would help the still undecided shopper.
- Other Thoughts: Mine arrived DOA. I realize Newegg doesn't actually have much control over this, but they ARE the customer-facing entity and they are bearing the brunt of my dissatisfaction. Newegg's only hope of redemption is that a replacement arrives in an unbelievably short amount of time.
By the way, I harbor no illusions that this review will ever see the light of day. I just felt it my duty to let you know how let down I feel. Sincerely yours.
Reliable Power
- Pros: Very powerful. 850 Watts will power even the most demanding workstations. Good efficiency (80+%), good hold up time, and active electricity spike protection provide reliability. The unit runs pretty cool and quiet. A lot of connection types for good compatibility.
- Cons: Compatibility is good but not perfect. Some MoBos (e.g. SuperMicro) require a 24 pin, an 8 pin AND a 4 pin connector. With this PSU you can't connect both 8-pin and 4-pin at the same time so you end up with a compatibility problem. I had to rewire the 6-pin connector into a 4-pin to solve the problem, however I wish I didn't have to.
The customer support leaves much to be desired. When I called the technical support didn't even know the meaning of abbreviations in the manual!
- Other Thoughts: If you are looking for an EPS PSU unit then this is a very good value. However make sure that your motherboard does not require both 8-pin and 4-pin to be connected. If that's the case this is the wrong power supply to get, unless you really enjoy cutting and welding wires. However when everything is compatible this is a very good PSU. I am running 2 duel core CPUs a 7950 GX2, 2 HDs, 2 optical drives, and a load of fans on it and I have power to spare.
| Model | ST85ZF |
| Type | ATX12V / EPS12V |
| Maximum Power | 801 - 900W |
| Fans | 1 |
| PFC | Active |
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- 5
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- 52%
- 4
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- 12%
- 3
-
- 4%
- 2
-
- 8%
- 1
-
- 24%
| Product Rating: |
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| Total Reviews: |
25 |
Work Horse
- Pros: I have lots of watt hungry accessories and the power supply handles it with ease. Nice cables, etc.
- Cons: I can't think of any.
Amazing PSU
- Pros: Only one thing to say about this PSU.. its AWESOME!!. Amazing performance and safety measures from this PSU. Have been using this PSU for abt 8months now and im glad I made this purchase :). Recently about 6 months ago, my comp wasnt booting and I was worried abt what the prob was.. the cpu used to fire up and then die again.. I tot it was a prob with the psu, but in the end it turned out that my old SLB cabby had one of the front usb ports touching the metallic part and hence creating a short. The PSU has been built to handle it in such a way that if there is a short being created then it doesnt power up the rig so as to protect the components. This one feature saved my entire rig. There are many more features and reviews too that suggests that this is one hell of a purchase :D.
- Cons: NONE WHATSOEVER
One of my best PSU purchases ever.
- Pros: I've been using this PSU for over a year and I have absolutely no complaints. It was $289.99 when I purchased it. I had 2 raptors, 5 7.2k drives, 2 dvd-rw drives, a floppy, a 7800 gtx, a tornado fan and about 5 other case fans when I purchased this. The voltages were as rock solid then as they are now. The PSU hasn't hiccuped or skipped a beat. I think I might be a silverstone fan for life.
- Cons: Absolutely none
- Other Thoughts: I see that some people had their PSU arrive DOA or close to it. Don't let that be a deterrent. Shipping can do numbers to ANY product regardless of the quality of the product or packaging. Mine happened to arrive fine. As long as you get one that works you will not be disappointed.
| Model |
| Brand |
SILVERSTONE |
| Model |
ST85ZF |
| Spec |
| Type |
ATX 12V 2.2 & EPS12V |
| Maximum Power |
850W |
| Fans |
80mm ball bearing fan |
| PFC |
Active |
| Main Connector |
24Pin |
| +12V Rails |
4 |
| PCI-Express Connector |
4 x 6-Pin |
| SLI |
Certified |
| CrossFire |
Ready |
| Modular |
No |
| Efficiency |
> 80% |
| Over Voltage Protection |
Yes |
| Input Voltage |
100 - 240 V |
| Input Frequency Range |
47 - 63 Hz |
| Input Current |
14A @ 115V, 7A @ 230V |
| Output |
+3.3V@28A,+5V@30A,+12V1@18A,+12V2@18A,+12V3@18A,+12V4@18A,-12V@0.5A,+5VSB@3.0A |
| MTBF |
>100,000 Hours |
| Approvals |
cUL, CE, TUV, FCC |
| Features |
| Connectors |
1 x Main connector (24Pin)
1 x 12V(P4)
1 x 12V(8Pin)
6 x Peripheral
6 x SATA
2 x Floppy
4 x PCI-E |
| Features |
lead-free paint (RoHS)
Noise Level: 24 dBA minimum
Operating temperature: 0 ~508C
+3.3V & 5V: 180W Max.
Combined + 12V: 70A/840W
Class-leading continuouns 70A Quad + 12V combined output @ 50 *C |
| Manufacturer Warranty |
| Parts |
3 years limited |
| Labor |
3 years limited |
Introduction
The Silverstone ST85ZF power supply packs prime power and efficiency (around 80%!) in a compact unit. This PSU cranks up to 850 Watts of continuous power. It features a 24-pin motherboard connector, an 8-pin ATX12V connector, an 8-pin to 4-pin ATX12V adapter connector, a 6-pin AUX connector, four 6-pin PCI-E connectors, six SATA power connectors, six 4-pin IDE power connectors, and two 4-pin floppy power connectors, to wire up almost anything you can imagine.
Industrial class components deliver top-of-the-line performance. It features an 80 mm ball bearing fan, for quiet cooling. The Silverstone ST85ZF is capable of supporting ATX 12V 2.2 and EPS12V. The Quad +12V rail ensures superior performance, with independent and reliable power to both your CPU and video cards.
A 24-Pin main connector, and SLI support round out the mix. The over voltage protection feature provides protection from electrical surges. This power supply from Silverstone has an MTBF of 100,000 hours. Plug it in and run it as hard as you like! It'll keep putting out all the power you need!
Highlights
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ATX12V v2.2 and EPS12V Compatible
Compatible with the ATX12V v2.2 and EPS12V standards, the SILVERSTONE ST85ZF provides maximum power stability to drive the latest Intel and AMD processors as well as other components for desktop and entry-level server computer systems.
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850W Maximum Power
A maximum power of 850W delivers safe, reliable output for ultra high-end computer systems.
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Highly Efficient
Delivering up to 80% efficiency, the SILVERSTONE ST85ZF saves energy and may even reduce your electric bill!
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Intelligent Black Cable Sleeving
This power supply's cables are wrapped in black sleevings to optimize air flow and improve cooling in the case.
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NVIDIA SLI Certified
The SILVERSTONE ST85ZF has gone through a series of rigorous NVIDIA SLI certification tests for maximum system stability when building NVIDIA SLI PCs.
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Quick Specs
| Type | ATX12V / EPS12V |
| Maximum Power | 801 - 900W |
| Input Voltage | 100 - 240 V |
| Main Connector | 24Pin |
| +12V Rails | 4 |
| Fans | 1 |
| PFC | Active |
| SLI | Certified |
| Over Voltage Protection | Yes |
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Reviewed By: ftc3048 on 10/19/2006
Tech Level: somewhat high - Ownership: 1 day to 1 week
