EVGA Announces 500B Haswell-Ready Power Supply

Subject: General Tech, Cases and Cooling | July 12, 2013 - 04:13 AM |
Tagged: PSU, Intel, haswell, evga, c7, c6, 80 Plus Bronze

EVGA recently launched a new 500W power supply called the 500B. The new ATX PSU is haswell ready and supports the advanced low-wattage C6 and C7 sleep states. The 500B, as the name suggests, is a 500W unit rated 80 PLUS Bronze for 85% efficiency under typical workloads.

EVGA 500B 500W 80 PLUS Bronze Power Supply.png

Although it is not modular, it has several other enthusiast friendly features. It supports 40 Amps on the single +12V rail and has over-current and over-voltage protection.  Further, it has two 6+2-pin PCI-E power connectors, a single 8-pin CPU power, and a 24-pin ATX connector along with a couple molex and SATA power for good measure. Also, the PSU fan automatically adjusts speed for low noise.

EVGA 500B 80 PLUS Bronze Power Supply Connectors.jpg

The EVGA 500B (model number 100-BR-0500-KR) comes with a 3 year warranty. Pricing and availability have not been announced. It looks to be a decent option for budget builds, and should be priced competitively. More information and additional photos can be found on this EVGA product page.

Source: EVGA

EVGA SuperNOVA Power Supplies Fully Compatible With New Haswell Sleep States

Subject: Cases and Cooling | June 19, 2013 - 04:33 PM |
Tagged: haswell, c6, c7, power supply, evga

Intel’s latest Fourth Generation Core “Haswell” processors are now official, and additional power supply manufacturers have since stepped up to provide their own Haswell PSU compatibility lists. EVGA is the latest PSU vendor to do so, announcing that all of tits SuperNOVA branded units are fully compatible with the new CPUs and new C6 and C7 sleep states.

EVGA NEX 1500 Classified 1500W Power Supply.jpg

The following EVGA power supplies are compatible with Haswell and the lowest power (0.05A) sleep states:

  • EVGA SuperNOVA NEX 1500 Classified (120-PG-1500-XR/VR)
  • EVGA SuperNOVA NEX750G Gold (120-PG-0750-GR)
  • EVGA SuperNOVA NEX750B Bronze (120-PB-0750-KR)
  • EVGA SuperNOVA NEX650G Gold (120-PG-0650-GR)
  • EVGA SuperNOVA 1300 G2 (120-G2-1300-XR)
  • EVGA SuperNOVA 1000 G2 (120-G2-1000-XR)

The list of compatible units spans across the range of SuperNOVA PSUs, from 650W to the monstrous 1500W model.

For a refresher on Haswell’s new C6 and C7 sleep states, check out our previous coverage of the issue as well as coverage of compatible PSUs from other vendors.

Source: EVGA

OCZ Releases Haswell PSU Compatibility List

Subject: General Tech | June 7, 2013 - 10:58 PM |
Tagged: power supply, ocz, haswell, c7, c6

OCZ recently posted a list of its power supplies that are fully compatible with Intel's new 4th Generation Core "Haswell" CPUs and their new C6 and C7 processor sleep states. The new sleep states can draw as little as 0.05A from the 12V rail, and not all power supplies (especially older models) were built with that use case in mind. Somewhat paradoxically, as power supplies have ramped up in Wattage and power delivery characterists, other PC internals have started moving in the other direction towards increased power efficiency and lower power usage overall.

silencermkIII_850W_3892.jpg

OCZ seems well prepared for Haswell, however, with a number of PSUs that are already fully compatible with Haswell CPUs. Even going as far back as its Z Series which launched in 2009 are compatible, which is comforting.

The full list of Haswell compatible OCZ power supplies is available below.

  • MK III Silencer
    • PPCMK3S1200
    • PPCMK3S850
    • PPCMK3S750
  • MK II Silencer
    • PPCMK2S950
    • PPCMK2S750
    • PPCMK2S650
  • Fatal1ty Gaming Series
    • OCZ-FTY1000W
  • ZX Series
    • OCZ-ZX1250W
    • OCZ-ZX1000W
    • OCZ-ZX850W
  • Z Series (EOL)
    • OCZZ1000M
    • OCZZ85M

With that said, even if your OCZ (or PC Power & Cooling) power supply is not on this list, it will still work in systems that utilize Intel Haswell processors. However, you will not be able to take advantage of the new power sipping C6 and C7 sleep states.

As the launch of Haswell approaches, more and more PSU manufacturers are releasing compatibility information. So far, the following companies have put together compatibility lists.

Source: OCZ

Thermaltake Announces Haswell-Compatible Power Supplies

Subject: Cases and Cooling | May 21, 2013 - 11:52 PM |
Tagged: be quiet, Power Supplies, haswell, Intel, c6, c7

In addition to Be Quiet!, Thermaltake has announced its own list of Haswell-compatible PSUs. The majority of high end Thermaltake power supplies will work with Haswell and its new sleep states. Further, all of the current generation high-end and mid-range Thermaltake power supplies are compatible with the new CPUs.

Power supplies in the Toughpower, EVO, and Smart M family are compatible with Haswell. Specifically, the chart below details which specifc models are compatible with Haswell and the new C6 and C7 low power sleep states.

Thermaltake Haswell PSU List.jpg

The following companies have also listed Haswell-compatible power supplies:

German PSU Manufacturer Be Quiet! Lists Its Haswell-Ready Power Supplies

Subject: Cases and Cooling | May 21, 2013 - 10:50 PM |
Tagged: sleep state, PSU, Power Supplies, haswell, c7, c6, be quiet

Be quiet!, a power supply manufacturer based in Germany, has announced that almost all of its recent power supply lineups are fully compatible with Intel's upcoming Haswell processors. The PC Perspective team has talked in-depth about the new C6 and C7 sleep states used by Haswell CPUs. However, for the uninitiated, the new Intel processors have two new low power sleep states. The lowest state, C7, draws as little as 0.05A from the 12V PSU rail. That is a good thing, but not all power supplies will be compatible with the new sleep states as such low load on the 12V rail was not a concern when the PSUs were designed and manufactured. Notably, even incompatible power supplies will still work in Haswell systems, but those computers will not be able to enter the lower-power C6 and/or C7 sleep states.

Be Quiet Dark Power Pro 10 PSU.jpg

There is good news for users of Be Quiet! Power supplies, however. The following power supplies are fully compatible with Haswell and the new sleep states:

  • Dark Power Pro 10 Series (all models)
  • Straight Power E9 Series (all models)
  • Pure Power L8 Series (all models)
  • System Power 7 Series (all models)
  • Pure Power L7 Series (the 630W and 730W models only)

Older Be Quiet! power supplies will still work in Haswell systems, but use of the lowest power C7 state is not recommended. Fortunately, most desktop users can live without the new low power states (which, while nice to have, the new sleep states are more beneficial to laptop users).

As the launch of Haswell approaches, more and more PSU manufacturers are releasing compatibility information. So far, the following companies have put together compatibility lists.

Corsair has, well, Haswell PSU support chart

Subject: Editorial, General Tech, Cases and Cooling, Processors | May 10, 2013 - 04:23 PM |
Tagged: c6, c7, haswell, PSU, corsair

I cannot do it captain! I don't have the not enough power!

We have been discussing the ultra-low power state of Haswell processors for a little over a week and how it could be detrimental to certain power supplies. Power supply manufacturers never quite expected that you could have as little as a 0.05 Amp (0.6W) draw on the 12V rail without being off. Since then, companies such as Enermax started to list power supplies which have been tested and are compliant with the new power requirements.

PSU Series Model Haswell
Compatibility
Comment
AXi AX1200i Yes 100% Compatible with Haswell CPUs
AX860i Yes 100% Compatible with Haswell CPUs
AX760i Yes 100% Compatible with Haswell CPUs
AX AX1200 Yes 100% Compatible with Haswell CPUs
AX860 Yes 100% Compatible with Haswell CPUs
AX850 Yes 100% Compatible with Haswell CPUs
AX760 Yes 100% Compatible with Haswell CPUs
AX750 Yes 100% Compatible with Haswell CPUs
AX650 Yes 100% Compatible with Haswell CPUs
HX HX1050 Yes 100% Compatible with Haswell CPUs
HX850 Yes 100% Compatible with Haswell CPUs
HX750 Yes 100% Compatible with Haswell CPUs
HX650 Yes 100% Compatible with Haswell CPUs
TX-M TX850M Yes 100% Compatible with Haswell CPUs
TX750M Yes 100% Compatible with Haswell CPUs
TX650M Yes 100% Compatible with Haswell CPUs
TX TX850 Yes 100% Compatible with Haswell CPUs
TX750 Yes 100% Compatible with Haswell CPUs
TX650 Yes 100% Compatible with Haswell CPUs
GS GS800 Yes 100% Compatible with Haswell CPUs
GS700 Yes 100% Compatible with Haswell CPUs
GS600 Yes 100% Compatible with Haswell CPUs
CX-M CX750M Yes 100% Compatible with Haswell CPUs
CX600M TBD Likely compatible — currently validating
CX500M TBD Likely compatible — currently validating
CX430M TBD Likely compatible — currently validating
CX CX750 Yes 100% Compatible with Haswell CPUs
CX600 TBD Likely compatible — currently validating
CX500 TBD Likely compatible — currently validating
CX430 TBD Likely compatible — currently validating
VS VS650 TBD Likely compatible — currently validating
VS550 TBD Likely compatible — currently validating
VS450 TBD Likely compatible — currently validating
VS350 TBD Likely compatible — currently validating

Above is Corsair's slightly incomplete chart as of the time it was copied from their website, 3:30pm on May 10th, 2013; so far it is coming up all good. Their blog should be updated as new products get validated for the new C6 and C7 CPU sleep states.

The best part of this story is just how odd it is given the race to arc-welding (it's not a podcast so you can't Bingo! hahaha!) supplies we have been experiencing over the last several years. Simply put, some companies never thought that component manufacturers such as Intel would race to the bottom of power draws.

Source: Corsair

Enermax Power Supplies Are Ready For New Haswell CPU Sleep States

Subject: General Tech | May 3, 2013 - 08:59 AM |
Tagged: zero load, PSU, Intel, haswell, enermax, cpu, c6, c5

Earlier this week, it was revealed that Intel’s upcoming Haswell processors would feature new C6 and C7 sleep states that draw as little as 0.05A on the 12V rail. Such low power draw on the 12V rail may cause problems for existing power supplies, which are not accustomed to facilitating such low power draw (especially on the 12V line). In an attempt to clear up a bit of the confusion for its customers, Enermax has put together a list of its mid-range and high-end power supplies that meet the standards required to support the new low-power processor states.

Enermax Platimax 1000W PSU.jpg

According to the press release (seen below), the Enermax power supplies use so-called Zero Load technology that uses a DC to DC converter to support low wattage power draw. This technology has been in Enermax power supplies since the Revolution85+ series which was launched in 2008. The company claims that the power supplies deliver “rock solid voltages” down to 0W load, which is within the Intel specification of 0.05A for the CPU alone.

The list of compatible Enermax power supplies is as follows:

  • Enermax Platimax Series
    • Platimax 500W (EPM500AWT)
    • Platimax 600W (EPM600AWT)
    • Platimax 750W (EPM750AWT)
    • Platimax 850W (EPM850EWT)
    • Platimax 1000W (EPM1000EWT)
    • Platimax 1200W (EPM1200EWT)
    • Platimax 1500W (EPM1500EGT)
  • Enermax Revolution87+ Series
    • Revolution87+ 550W (ERV550AWT-G)
    • Revolution87+ 650W (ERV650AWT-G)
    • Revolution87+ 750W (ERV750AWT-G)
    • Revolution87+ 850W (ERV850EWT-G)
    • Revolution87+ 1000W (ERV1000EWT-G)
  • Enermax MaxRevo Series
    • MaxRevo 1200W (EMR1200EWT)
    • MaxRevo 1350W (EMR1350EWT)
    • MaxRevo 1500W (EMR1500EGT)
  • Enermax Triathlor Series
    • Triathlor 385W (ETA385AWT)
    • Triathlor 450W (ETA450AWT)
    • Triathlor 550W (ETA550AWT)
  • Enermax Revolution85+ Series
    • Revolution85+ 850W (ERV850EWT)
    • Revolution85+ 920W (ERV920EWT)
    • Revolution85+ 950W (ERV950EWT)
    • Revolution85+ 1020W (ERV1020EWT)
    • Revolution85+ 1050W (ERV1050EWT)
    • Revolution85+ 1250W (ERV1250EGT)
  • Enermax Modu87+ Series
    • Modu87+ 500W (EMG500AWT)
    • Modu87+ 600W (EMG600AWT)
    • Modu87+ 700W (EMG700AWT)
    • Modu87+ 800W (EMG800EWT)
    • Modu87+ 900W (EMG900EWT)
  • Enermax Pro87+ Series
    • Pro87+ 500W (EPG500AWT)
    • Pro87+ 600W (EPG600AWT)

The list includes power supplies from a number of series over the past few years that range from 500W to 1250W. I'm sure between now and the launch of Haswell in the first week of June that other PSU manufacturers will be announcing which models are compatible and which are not. Stay tuned to PC Perspective as more information becomes available!

Source: Enermax

Possible power supply issues for Intel Haswell CPUs

Subject: Cases and Cooling, Processors | May 1, 2013 - 03:07 PM |
Tagged: power supply, Intel, idle, haswell, c7, c6

I came across an interesting news story posted by The Tech Report this morning that dives into the possibility of problems with Intel's upcoming Haswell processors and currently available power supplies.  Apparently, the new C6 and C7 idle power states that give the new Haswell architecture benefits for low power scenarios place a requirement of receiving a 0.05 amps load on the 12V2 rail.  (That's just 50 milliamps!)  Without that capability, the system can exhibit unstable behavior and a quick look at the power supply selector on Intel's own website is only listing a couple dozen that support the feature. 

haswellpsu.jpg

This table from VR-Zone, the source of the information initially, shows the difference between the requirements for 3rd (Ivy Bridge) and 4th generation (Haswell) processors.  The shift is an order of magnitude and is quite a dramatic change for PSU vendors.  Users of Corsair power supplies will be glad to know that among those listed with support on the Intel website linked above were mostly Corsair units!

A potential side effect of this problem might be that motherboard vendors simply disable those sleep states by default.  I don't imagine that will be a problem for PC builders anyway since most desktop users aren't really worried about the extremely small differences in power consumption they offer.  For mobile users and upcoming Haswell notebook designs the increase in battery life is crucial though and Intel has surely been monitoring those power supplies closely. 

I asked our in-house power supply guru, Lee Garbutt, who is responsible for all of the awesome power supply reviews on pcper.com, what he thought about this issue.  He thinks the reason more power supplies don't support it already is for power efficiency concerns:

Most all PSUs have traditionally required "some load" on the various outputs to attain good voltage regulation and/or not shut down. Not very many PSUs are designed yet to operate with no load, especially on the critical +12V output. One of the reasons for this is efficiency. Its harder to design a PSU to operate correctly with a very low load AND to deliver high efficiency. It would be easy just to add some bleed resistance across the DC outputs to always have a minimal load to keep voltage regulation under control but then that lowers efficiency.

Source: Tech Report