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Zalman Tech Co., Ltd  Zalman Tech Co., Ltd News Room

ZALMAN ZM850-HP 850W Continuous @ 45°C (Maximum Continuous Peak: 1050W) ATX12V V2.2 / EPS12V V2.91 SLI Certified CrossFire Ready 80 PLUS Certified Modular Active PFC Modular Heatpipe-Cooled SLI Power Supply - Retail

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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

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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
OverviewCustomer ReviewSpecificationsProduct Tour
Yeah, we know: it's hard to get excited over a power supply, unless it goes bad. No one needs that kind of excitement. Well, with a three year parts and labor warranty, Zalman obviously thinks you won't have to worry about it.

The same power switching technology originally developed for the space program brings you 86% efficiency to keep your energy bills down. Other advanced features including six separate +12Vdc rails, connectors for ATX motherboards and ten peripherals, twelve SATA drives, two floppy drives and four PCI-E boards. RoHS (Reduction of Hazardous Substances) compliant to reduce pollution, it has dual heat pipe technology and a 14 cm fan to reduce noise pollution as well.

Now you can keep your computer powered, green, and quiet, all at once. And greater efficiency not only keeps you from being a drag on the electrical grid, it means less heat generated; your air conditioner will thank you. That IS exciting! Check it out for yourself.

Review Summary (read more reviews, write a review)

5
newegg
68%
4
newegg
18%
3
newegg
6%
2
newegg
2%
1
newegg
6%
Product Rating:
Total Reviews: 142

Quiet, Stable, Powerful

white Reviewed By: on 3/14/2008
Rating + 5
Tech Level Tech Level: high - Ownership: 1 month to 1 year
This user purchased this item from Newegg
Pros: This is the quietest fan-cooled power supply I've ever owned and I've been trying to find quiet units for a long time. It has the perfect balance of fixed and modular cables. I am running a large load including an OC'ed quad and two OC'ed GPUs. I'm only seeing 0.05V drop under load. This is a beautiful PS in looks and performance.
Cons: Costs too much. No power switch.
Other Thoughts: People here complain about bizarre stuff. This is a great power supply, period.
20 out of 23 people found this review helpful. Did you? Yes No

Zalman Power Supplies

white Reviewed By: KenJ on 4/1/2008
Rating + 5
Tech Level Tech Level: high - Ownership: 1 month to 1 year
Pros: Very quiet and reliable. Has large fan and keeps the PSU very cool. Enough connections for all your goodies including up to 4 Video cards in SLI.No problem fitting into
a Stacker 830 case. Plenty of room and easy cable management. Tons of extra cables.
Cons: Wish they produce a 1,000 watt and keep the same foot print.
Add more modularity of cables. Offer a lighted fan for gamers cases like the Stacker 830.
Other Thoughts: Zalman is becoming a major player in Power Supples now and has a very good reputation for all of their fans and your cooling needs.
15 out of 16 people found this review helpful. Did you? Yes No

Quick Specs (view all30)

ModelZM850-HP
TypeATX12V / EPS12V
Maximum Power801 - 900W
Fans1
PFCActive

Review Summary (read all 142 Reviews, write a review)

5
newegg
68%
4
newegg
18%
3
newegg
6%
2
newegg
2%
1
newegg
6%
Product Rating:
Total Reviews: 142

Excellent PSU

white Reviewed By: Grand Moff Vixen on 11/20/2009
Rating + 5
Tech Level Tech Level: somewhat high - Ownership: 1 month to 1 year
This user purchased this item from Newegg
Pros: I am a gamer and wanted lots of power for getting a good video card so I got this. I have not regretted it at all. I plan on going crossfire soon and this baby definitely has the juice to do it. I bought this in early march 09 and it has been going strong.
Cons: None that I can think of.
Other Thoughts: I will be buying zalman again for my psu needs.
Did you find this review helpful? Yes No

Zalman ZM850

white Reviewed By: on 10/9/2009
Rating + 4
Tech Level Tech Level: somewhat high - Ownership: 1 week to 1 month
This user purchased this item from Newegg
Pros: Great power, good cooling. Good array of cables. I have an Antec 900 case which is a bottom mount case which is a good thing because it is fairly big and heavy. See the cons for the only cable complaint. Running a 5870 GPU and will crossfire before long, 2 hard drives, 2 optical drives and several USB toys and so far rock solid and QUIET.
Cons: The only thing I can really find to pick on is the CPU cable, I am running a Gigabyty UD5P board and the cable is almost too short. With the layout of this particular setup the cable runs almost over the top of the CPU cooler which could interfere with the fan at some point. Really this cable needs to be a couple inches longer for comfort. The ONLY reason this is a 4 egg is the CPU cable, really should be longer, it could be a problem in a full tower case.
Did you find this review helpful? Yes No

Was a quiet PSU ...... !!!

white Reviewed By: on 9/22/2009
Rating + 2
Tech Level Tech Level: somewhat high - Ownership: 1 month to 1 year
This user purchased this item from Newegg
Pros: Well, it has plenty of plugs and power. It's heavy duty....
Cons: I'm sitting here typing this review with a cringe on my face. Over the past few days my ZM850 has developed this High Pitched whistle that is SOOO Friggen Annoying! I have cleaned it, NO dust inside, STILL there! I can even hear the pitch change when I scroll through a browser window. I don't know of I am about to experience a PSU failure, but this can not be tolerated.
Did you find this review helpful? Yes No
Model
Brand ZALMAN
Model ZM850-HP
Spec
Type ATX12V V2.2 / EPS12V V2.91
Maximum Power 850W Continuous @ 45°C
(Maximum Continuous Peak: 1050W)
Fans 1 x Dual Ball-Bearing 140mm Fan
PFC Active
Main Connector 20+4Pin
+12V Rails 6
PCI-Express Connector 2 x 6-Pin, 2 x 6+2-Pin
SATA Power Connector 12
SLI Certified
CrossFire Ready
Modular Yes
Efficiency Up to 86% @ 230VAC, Full & Typical Load
Energy-Efficient 80 PLUS Certified
Over Voltage Protection Yes
Overload Protection Yes
Input Voltage 100 - 240 V
Input Frequency Range 50/60 Hz
Input Current 12 - 6.3A
Output +3.3V@25A,+5V@30A,+12V1@18A,+12V2@18A,+12V3@28A,
+12V4@28A,+12V5@18A,+12V6@18A,-12V@0.8A,+5VSB@3.5A
Approvals cUL, CE, CB, FCC
Dimensions 8.3"(L) x 5.9"(W) x 3.4"(H)
Features
Connectors 1 x Main connector (20+4Pin)
1 x 12V(4/8Pin)
10 x peripheral
12 x SATA
2 x Floppy
4 x PCI-E
Features NVIDIA HYBRID-SLI Certified - 9800 GX2
NVIDIA QUAD-SLI Certified - Dual 9800 GX2
Ultra Quiet 140mm Fan
Dual Heatpipes: Quiet Operation & Max Cooling
Six Independent +12VDC Outputs
Active PFC: PF Up To 99% & Reduces Distortion
Standby Noise Filter Switch
Sleeved Modular Cables
Gold-Plated Terminals & 16AWG Wires
EZ Grip Connectors for ODDs & HDDs
ATX 20+4Pin Main Connector
ATX12V CPU 4-Pin & EPS12V CPU 8-Pin
2 x PCI Express Power 6Pin
2 x PCI Express Power 6+2Pin
High Efficiency Design - 80 PLUS Certified
Over-Voltage Protection
Over-Current Protection
Short-Circuit Protection
Under-Voltage Protection
Over-Temperature Protection
Complies With WEEE & ROHS
Manufacturer Warranty
Parts 3 years limited
Labor 3 years limited

Introduction

Yeah, we know: it's hard to get excited over a power supply, unless it goes bad. No one needs that kind of excitement. Well, with a three year parts and labor warranty, Zalman obviously thinks you won't have to worry about it.

The same power switching technology originally developed for the space program brings you 86% efficiency to keep your energy bills down. Other advanced features including six separate +12Vdc rails, connectors for ATX motherboards and ten peripherals, twelve SATA drives, two floppy drives and four PCI-E boards. RoHS (Reduction of Hazardous Substances) compliant to reduce pollution, it has dual heat pipe technology and a 14 cm fan to reduce noise pollution as well.

Now you can keep your computer powered, green, and quiet, all at once. And greater efficiency not only keeps you from being a drag on the electrical grid, it means less heat generated; your air conditioner will thank you. That IS exciting! Check it out for yourself.

Highlights

newegg ATX12V and EPS12V Compatible
Compatible with the ATX12V (ATX 2.2) and EPS12V standards, the Zalman ZM850-HP 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 Zalman ZM850-HP provides a maximum power of 850W for a safe, reliable output for high-end computer systems.
newegg 80 Plus Certified
The 80 PLUS certified power supply provides high power efficiency of at least 80% at any load between 20% and 100%, saving your money on your electrical bill, reducing heat in your computer's system and prolonging its life.
newegg Efficient Cooling
The Zalman ZM850-HP features dual heatpipes for effective cooling performance and an ultra-quiet 140mm dual ball bearing fan plus hexagon cutouts for maximum airflow in the power supply enclosure and enhanced heat dissipation in the chassis.
newegg Modular Cable Design
The modular cable design allows use of only the cables you need resulting in improved internal airflow and reduced system clutter.
newegg NVIDIA SLI Certified
The Zalman ZM850-HP power supply has gone through a series of rigorous NVIDIA SLI certification tests for maximum system stability when building NVIDIA SLI PCs.

Photo Gallery

ZALMAN ZM850-HP 850W Continuous @ 45°C
(Maximum Continuous Peak: 1050W) Modular Heatpipe-Cooled SLI Power Supply - Retail
ZALMAN ZM850-HP 850W Continuous @ 45°C
(Maximum Continuous Peak: 1050W) Modular Heatpipe-Cooled SLI Power Supply - Retail ZALMAN ZM850-HP 850W Continuous @ 45°C
(Maximum Continuous Peak: 1050W) Modular Heatpipe-Cooled SLI Power Supply - Retail ZALMAN ZM850-HP 850W Continuous @ 45°C
(Maximum Continuous Peak: 1050W) Modular Heatpipe-Cooled SLI Power Supply - Retail ZALMAN ZM850-HP 850W Continuous @ 45°C
(Maximum Continuous Peak: 1050W) Modular Heatpipe-Cooled SLI Power Supply - Retail ZALMAN ZM850-HP 850W Continuous @ 45°C
(Maximum Continuous Peak: 1050W) Modular Heatpipe-Cooled SLI Power Supply - Retail

Quick Specs

BrandZALMAN
TypeATX12V / EPS12V
PFCActive
+12V Rails6
Energy-Efficient80 PLUS Certified
Main Connector20+4Pin
PCI-Express Connector2 x 6-Pin, 2 x 6+2-Pin
CrossFireReady
SLICertified
ModularYes
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