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Item#: N82E16817256022

SILVERSTONE DECATHLON DA850 850W ATX 12V 2.2 & EPS 12V SLI Ready CrossFire Ready Full Modular Active PFC Power Supply

  • ATX 12V 2.2 & EPS 12V
  • Full Modular
  • 100 - 240 V
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Silverstone's Decathalon series PSUs are designed to deliver maximum power simply and efficiently. Instead of bumping up cost and complexity by using multiple +12V rails, the DA850 has 1 extremely robust 70A rail. The Active PFC and >80% efficiency rating ensure that no power is wasted.

The power connectors are fully modular. This lets you use only the connections you need. Any extra cables can go back into a handy carry bag, so you can find them when you upgrade. The cables are all sheathed to de-clutter the inside of the case, enhancing airflow.

There is a 120mm fan on the bottom of the PSU to move maasive amounts of air to keep everything cool. The back panel is a honeycomb mesh broken only by a switch and the power plug for virtually unrestricted airflow. Go ahead; build the system of your dreams, the DA850 can handle it.

  • newegg ATX12V and EPS12V Compatible Compatible with the ATX12V (ATX 2.2) and EPS12V standards, the Silverstone DA850 provides maximum power stability to drive the latest Intel and AMD processors as well as other components for desktop and server computer systems.
  • newegg 850W Maximum Power The Silverstone DA850 provides a maximum power of 850W for a safe, reliable output for high-end computer systems.
  • newegg Highly Efficient Delivering more than 80% efficiency, the Silverstone DA850 power supply saves energy and may even reduce your electric bill!
  • newegg Efficient Cooling A 120mm ball bearing fan plus hexagon cutouts increases overall airflow in the power supply enclosure and helps remove heat from the chassis simultaneously.
  • newegg Multiple PCI-E Connectors With two 8-pin and four 6-pin PCI-E connectors, the Silverstone DA850 is ideal for building up a SLI or CrossFire gaming system.
  • newegg Modular Cable Management The modular cable design allows use of only the cables you need resulting in improved internal airflow and reduced system clutter.

Learn more about the Silverstone DA850

Model

Brand
SILVERSTONE
Model
DA850
Series
DECATHLON

Spec

Type
ATX 12V 2.2 & EPS 12V
Maximum Power
850W
Fans
Single 120mm ball bearing fan
PFC
Active
Main Connector
20+4Pin
+12V Rails
Single
PCI-Express Connector
4 x 6-Pin, 2 x 8-Pin
SATA Power Connector
6
SLI
SLI Ready
CrossFire
CrossFire Ready
Modular
Full Modular
Efficiency
> 80%
Over Voltage Protection
Yes
Input Voltage
100 - 240 V
Input Frequency Range
47 - 63 Hz
Input Current
15/ 7.5A
Output
+3.3V@28A, +5V@30A, +12V@70A, -12V@0.5A, +5VSB@4.0A
MTBF
>100,000 Hours
Approvals
CE, cUL, FCC, TUV

Features

Connectors
1 x 20+4Pin motherboard connector (550mm)
1 x 8Pin EPS12V connector (550mm)
1 x 4Pin ATX12V connector (550mm)
2 x 8Pin PCI-E connector (550mm)
2 x dual 6Pin PCI-E connector (550mm)
2 x triple SATA power connectors (500mm + 250mm + 250mm)
2 x triple 4Pin IDE & single floppy power connectors (500mm + 250mm + 250mm + 150mm)
Features
100% modular cables
Japanese primary capacitor

Manufacturer Warranty

Parts
3 years limited
Labor
3 years limited

Quick Info

Warranty

  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years


Customer Reviews of the Silverstone DA850

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  • Brian G.
  • 7/19/2010 7:28:25 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsDead after 2 years and 6 months

Pros: I really liked this PSU. The set up is good, plenty of cables and options. Stays cool.

Cons: After 2 years and 6 months mine unit started failing until it wouldnt come up at all. On a Sunday there were 3 blackouts in my house, from which my comp obiously shut down. At first I tought the black outs were causing my computer to restart... then I realized it was my comp causing the blackouts. After the 3rd blackout my comp didnt start for 2 days. Then it worked for 6 more hours and the same happend again. Silversone customer service is not that good as others commented. Its always the same person answeing the phone, with no voicemail. I requested RMA number a week ago and never got an answer back. It seems its going to take a while to get a hold of them... so Im buying another brand from newegg.

Other Thoughts: My PSU was made in January 2007, bought it from newegg on January 2008. It worked for 2.5 years. I paid around $240 at the time. I dont think it was worth it. A $240 PSU should last longer than this.

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  • Raymond T.
  • 4/7/2010 12:17:23 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsfails JUST after the warranty :|

Pros: powered 2 decent vid cards, sound card, sata hard drive, sata dvd burner, logitech 4400 4.1 system, 19 inch off brand lcd monitor ( later upgraded to samsung 22 inch 2 ms response monitor), 3.2 dual core windsor cpu ( later upgraded to same 125 watt max...only a quad core 3.2 phenom II x4), two different motherboard ( upgraded to asus m4a785td -v evo later on) for a while

Cons: only lasted JUST over 3 years. I dont believe in paying 240 bucks for a power supply just for it to last only around 3 years. 80 bucks a year for psu...kinda stupid...same concept for buyig a brand new card...in the end..you're paying over twice as much per year to drive the vehicle versus buying it around 3 to 4 years used. called the tech support number.which i confirmed via the silverstone.com website is STILL the same 909 area code number...no voicemail so i can't leave a message. Just like asus...i dont expect a call back so i emailed them. going to see if they want to keep a customer or not.

Other Thoughts: when an over 6 year old psu 400 watt unit ( that has been in CONSTANT usage 24/7 365 running under constant 65% load per a 25 year experienced pc technicians electrical testing.....that i paid only 100 bucks back in 2004 outlasts...this silverstone psu that i paid 240 bucks back in feb 2008....SOMETHING IS REALLY wrong with silverstone's dependability. If this unit was a dud...im fairly certain it would have died on me within the first few months, weeks, days, hours..or not started up anything at all. I thought since silverstone has been in business longer than 10 years..that would have been long enough to learn how to build a normal psu that would last ( like 90 percent of them out there) at least 4.5 years or longer. NOT ONCE did i push this unit beyond 65 % load....not once did i try to overload the 12v rail, or any other parts. VERY TICKED OFF AND DISSAPOINTED

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  • GEORGE M.
  • 12/24/2009 1:29:13 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsBuy a Great PSU-Get a Check!!

Pros: Great PSU-full modular design keeps case layout really clean.Wires plenty long enuff,even for the Ikonik Ra X10 Liquid cooled case I bought it for.Huge assortment of cable connections make this great for any rig,and there are so many extra cables,you can put them in the cool pouch thats included and leave them to you grandkids in your will ,cause you're never gonna use them all-lol.So Quiet it scared me at first, but stays eggstremely cool.I bought this PSU because of the recomendation on the EggXpert Forums and I'm glad I did.Unless you're sure you know everything about PSUs you gotta check out the forums.I also emailed Silverstone before I bought it to ask some questions and they replied promptly and answered everything I asked.Nothing but good things from Silverstone,Newegg and the guys from the EggXpert forums.

Cons: Only con I can think of is that I cant find enuff stuff to use up all the included wires-but I,m workin on it.

Other Thoughts: FASTEST REBATE I EVER RECIEVED!!!!I had a $65 check in my hand less than 2 weeks after I mailed the rebate form .I'm in Pa and their in Ca-so about a week of that was mail time!I would have been happy with this PSU without the rebate,and I always make the assumption that I may never get rebate checks,but with Silverstone it was just icing on the cake

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  • Anonymous
  • 11/24/2009 2:20:21 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsCables suck

Pros: None over other power supplies

Cons: I've had nothing but trouble with this P(o)S. About a month after building my new computer in February I noticed my RAID 1 kept failing and rebuilding, over and over every couple weeks. I noticed one or the other would randomly go offline. I also noice my DVD was doing the same. They all happened to be on the same cable so I pulled it and noticed the pins were bent/crushed. I switch to another cable on an open spot. Things were fine for about a month then the RAID started failing more than ever. I pulled the drives and they work fine in another machine. Went to power the computer back on and my UPS/battery backup pops and nothing from the computer any more.

Other Thoughts: I call Silverstone about warranty and they say email for an RMA. I follow all the instructions from the website, and hear nothing for a week. Call and the same guy says they never recieved it so I email it while on the phone and get an RMA number. Shipper confirms they received it a week ago, and they have yet to respond to my inquiries about the RMA. The pin design or the quality of the connector/installation sucks on this power supply. The pins don't line up and they are to weak move themselves when plugged in. I will not buy a Silverstone PS again.

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  • Nicholas K.
  • 7/15/2009 1:31:29 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsFantastic PSU

Pros: My first modular PSU, just love this aspect. Powers 6 internal SATA 3.5 HDDS, 2 optical drives, Geforce GTX 260, Audigy 2 sound card, Asus socket 939 mobo all & 4 big case fans all flawlessly. Silverstone has further established itself with me as a great company to trust. PSU's huge fan on bottom now blowing instead of sucking through the unit is a very positive change from traditional PSUs. Also, retail box is VERY sturdy, perfect for storing old PSU and all unused power cables.

Cons: Wish there were plugs to prevent dust from accumulating in unused sockets.

Other Thoughts: I turned to Silverstone by default for a PSU since I got my Mach 5 system from Falcon-Northwest in 2005. If they use Silverstone for all cases and power supplies, then I assumed I should make my upgrade PSU from same brand, and haven't been disappointed at all in 2 months I've been running with this unit.

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  • Bradley R.
  • 6/25/2009 4:12:45 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsGreat on paper, not so much in actual use

Pros: 850W on a single 12+V rail makes it easy to stay within spec while utilizing as much of the capacity as possible. The abundance of modular cables is something I've enjoyed with SilverStone's power supplies, and the addition of two 2x4 pin PCI-E support is great. I much prefer fully modular units vs those that make the motherboard cables permanently attached, if only for asthetic reasons.

It also comes with a rolling bag to hold loose cables which is very useful to prevent loss. The AC cable seems longer than others I've used which I appreciate. The fan is nice and quiet but doesn't work so well in keeping my HDDs directly below cool.

Cons: Though modular, the way in which the cables are split up could be better. For example, there are a total of 4 PCI-E connectors split evenly over two cables, meaning you'll have to hide a cable for non-SLI systems. Same goes for the SATA connectors, two wires with three connectors each, while the 4-pin molexes have a total of 4 (3 HDD, 1 Floppy). Also, I feel I should mention that the molex cable uses a non-standard connector for the PSU end, with a 2x3 pinout. Luckily the pins are still keyed to prevent the wrong usage.

Other Thoughts: I mentioned it was good on paper, no so much in use. In my situation, the PSU isn't happy with my APC battery backup. The backup is capable of 865W, this PSU is 850W, but rarely if ever is the backup loaded more than 400W (including monitor and peripherals). Anytime I lose power and the backup kicked in, my PC goes into a pre-POST stage and remains until utility power is restored. This is not useful at all. I'm not sure if it's specifically the PSU or some odd issue with my mobo, but my older 750 SilverStone Strider did not give me any problems like this. I'm thinking the PSU just has no tolerance for power drops but am seriously considering boxing it up for RMA or storage and resorting to a different PSU (like the Strider). I'm hesitant to use another high-wattage SilverStone PSU for a Core i7 build in the future. As an aside, I'd wish companies would try to reduce wattages a bit more. PSUs are going beyond what backups supplies are capable of these days.

0 out of 2 people found this review helpful. Did you? Yes No

  • max s.
  • 6/20/2009 8:01:45 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat PSU

Pros: I have also bought the 1kW ver of this PSU both are great its running my EVGA X58 mobo with 2GTX275s and about 11fans a hard drive and DVD drive and a I7920 @ 4.2GHZ

Cons: none so far.

Other Thoughts: none

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  • Anthony M.
  • 6/20/2009 1:19:10 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsAmazing, Silent, and Cool

Pros: What isn't to like about a 100% modular single 70A railed PSU?

Cons: What?

Other Thoughts: This is pushing the following without an issue....I can't even hear it :)

CPU - i7 920 @ 3.9gHz w/HT 1.375v
RAM - 12GB Mushkin DDR3 @ 1600mHz 1.5v
MOB - Asus P6T6 WS Revolution @ 195 BCLK
GPU - 2 x eVGA GTX 285 .7ns 1180 in SLi @ 700/1550/1300
SSD - OCZ Vertex 60GB
HDD - Western Digital 320GB 16MB
PSU - Silverstone DA850 Modular
OS - Windows Vista Home Premium 64-Bit
H2O - Swiftec GTZ, Swiftec 120.2, MCP 655, TX-2
CSE - Antec 1200 Heavily Modified

1 out of 1 people found this review helpful. Did you? Yes No

  • Edwin M.
  • 4/9/2009 5:38:12 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsSuperb!

Pros: Modular cables and all the power I need. It is the best power supply that I have owned. I am running an EVGA GTX 285 1gb, ASUS P6T Deluxe V2, 12gb of G.Skill ram, Antec 1200 case, Intel Core 920 at 3.8ghz. The ram at 1400mhz. Not a glitch or hiccup in sight. What I call "easy peasy".

Cons: None.

Other Thoughts: Get it, you won't regret it.

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  • Michael J.
  • 3/14/2009 1:57:24 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year

3 out of 5 eggsTo bad...

Pros: The modular cables are a a godsent!! I have a somewhat smaller case(SilverStone TJ09) and the ability to only put in the cables I need is an outstanding bonus! Also very quiet, don't even know it's running.

Cons: 1 year warranty on a product in it's cost range. After 15 months mine has stopped working and with no warranty the cost of repair is now on me.

Other Thoughts: I LOVE SilverStone products and believe this was not the norm however the high cost/low warranty makes me hesitant to purchase another SilverStone power supply.

Did you find this review helpful? Yes No

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Item#: N82E16817256022
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