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How big my p... needs to be?

Go to solution Solved by stconquest,
7 minutes ago, DaemonWarrior44 said:

So XT 600W vs. S12 II... S12 II wins? Is it more durable or something like that?
I don't know much about this, :S

The S12 has better components that are capable of running better than the XT when heat builds up.  Heat will cause cheap parts to degrade and eventually fail.  Cheap parts will also usually mean instability when the unit is being stressed.

 

I mean, you can take a chance with the XT.  It might be totally fine, I would not though.

 

I have an old PC with a 750 Ultra LSP.  It is not a high quality unit, but it has been running steadily for almost 7 years now.  My XFXPRO 750W PSU (Seasonic built) runs fine too (3.5 years).  :D

 

I actually bought a Corsair CXM 550W as a back up recently... just in case one of the PSUs fail.

 

@DaemonWarrior44  I should mention, MEC is right... the 520W S12-ii is cutting it pretty close.  The 12v rail used to power the GPU and CPU will provide 480W total, not 520W.  That is 40 amperes (amps) on that 12V rail.  40A x 12v = 480W

 

It should still work fine.

Don't know why some of you are recommending PSU's that are just enough. I would say 650w minimum. Will keep the PSU running at it's more efficient range and give you more headroom for future upgrades. 

 

My Systems:

Main - Work + Gaming:

Spoiler

Woodland Raven: Ryzen 2700X // AMD Wraith RGB // Asus Prime X570-P // G.Skill 2x 8GB 3600MHz DDR4 // Radeon RX Vega 56 // Crucial P1 NVMe 1TB M.2 SSD // Deepcool DQ650-M // chassis build in progress // Windows 10 // Thrustmaster TMX + G27 pedals & shifter

F@H Rig:

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FX-8350 // Deepcool Neptwin // MSI 970 Gaming // AData 2x 4GB 1600 DDR3 // 2x Gigabyte RX-570 4G's // Samsung 840 120GB SSD // Cooler Master V650 // Windows 10

 

HTPC:

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SNES PC (HTPC): i3-4150 @3.5 // Gigabyte GA-H87N-Wifi // G.Skill 2x 4GB DDR3 1600 // Asus Dual GTX 1050Ti 4GB OC // AData SP600 128GB SSD // Pico 160XT PSU // Custom SNES Enclosure // 55" LG LED 1080p TV  // Logitech wireless touchpad-keyboard // Windows 10 // Build Log

Laptops:

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MY DAILY: Lenovo ThinkPad T410 // 14" 1440x900 // i5-540M 2.5GHz Dual-Core HT // Intel HD iGPU + Quadro NVS 3100M 512MB dGPU // 2x4GB DDR3L 1066 // Mushkin Triactor 480GB SSD // Windows 10

 

WIFE'S: Dell Latitude E5450 // 14" 1366x768 // i5-5300U 2.3GHz Dual-Core HT // Intel HD5500 // 2x4GB RAM DDR3L 1600 // 500GB 7200 HDD // Linux Mint 19.3 Cinnamon

 

EXPERIMENTAL: Pinebook // 11.6" 1080p // Manjaro KDE (ARM)

NAS:

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Home NAS: Pentium G4400 @3.3 // Gigabyte GA-Z170-HD3 // 2x 4GB DDR4 2400 // Intel HD Graphics // Kingston A400 120GB SSD // 3x Seagate Barracuda 2TB 7200 HDDs in RAID-Z // Cooler Master Silent Pro M 1000w PSU // Antec Performance Plus 1080AMG // FreeNAS OS

 

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Just now, MEC-777 said:

Don't know why some of you are recommending PSU's that are just enough. I would say 650w minimum. Will keep the PSU running at it's more efficient range and give you more headroom for future upgrades. 

 

What will a i7 7700 + 2 RX 480s pull?

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2 minutes ago, XCalinX said:

I'd get around a 700W. My rig has 2 1080s and draws around 550W.

So, you have different parts and that means all other systems are like yours?..

 

:(

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2 minutes ago, stconquest said:

What will a i7 7700 + 2 RX 480s pull?

A good quality 550w will work fine, it just doesn't leave much headroom. Personally, I think about what I may want to run in the future and choose accordingly so I don't have to upgrade again later on. A good PSU these days can last you well beyond 5 years. Just thinking out loud... 

My Systems:

Main - Work + Gaming:

Spoiler

Woodland Raven: Ryzen 2700X // AMD Wraith RGB // Asus Prime X570-P // G.Skill 2x 8GB 3600MHz DDR4 // Radeon RX Vega 56 // Crucial P1 NVMe 1TB M.2 SSD // Deepcool DQ650-M // chassis build in progress // Windows 10 // Thrustmaster TMX + G27 pedals & shifter

F@H Rig:

Spoiler

FX-8350 // Deepcool Neptwin // MSI 970 Gaming // AData 2x 4GB 1600 DDR3 // 2x Gigabyte RX-570 4G's // Samsung 840 120GB SSD // Cooler Master V650 // Windows 10

 

HTPC:

Spoiler

SNES PC (HTPC): i3-4150 @3.5 // Gigabyte GA-H87N-Wifi // G.Skill 2x 4GB DDR3 1600 // Asus Dual GTX 1050Ti 4GB OC // AData SP600 128GB SSD // Pico 160XT PSU // Custom SNES Enclosure // 55" LG LED 1080p TV  // Logitech wireless touchpad-keyboard // Windows 10 // Build Log

Laptops:

Spoiler

MY DAILY: Lenovo ThinkPad T410 // 14" 1440x900 // i5-540M 2.5GHz Dual-Core HT // Intel HD iGPU + Quadro NVS 3100M 512MB dGPU // 2x4GB DDR3L 1066 // Mushkin Triactor 480GB SSD // Windows 10

 

WIFE'S: Dell Latitude E5450 // 14" 1366x768 // i5-5300U 2.3GHz Dual-Core HT // Intel HD5500 // 2x4GB RAM DDR3L 1600 // 500GB 7200 HDD // Linux Mint 19.3 Cinnamon

 

EXPERIMENTAL: Pinebook // 11.6" 1080p // Manjaro KDE (ARM)

NAS:

Spoiler

Home NAS: Pentium G4400 @3.3 // Gigabyte GA-Z170-HD3 // 2x 4GB DDR4 2400 // Intel HD Graphics // Kingston A400 120GB SSD // 3x Seagate Barracuda 2TB 7200 HDDs in RAID-Z // Cooler Master Silent Pro M 1000w PSU // Antec Performance Plus 1080AMG // FreeNAS OS

 

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7 minutes ago, MEC-777 said:

A good quality 550w will work fine, it just doesn't leave much headroom. Personally, I think about what I may want to run in the future and choose accordingly so I don't have to upgrade again later on. A good PSU these days can last you well beyond 5 years. Just thinking out loud... 

I understand what you mean, but he is not going to pull much more than 450W at max system load.  lol, I have two PCs, each running 750W PSUs... each probably not even pulling half that.  This is because I was never sure, so I overdid it.

7 minutes ago, DaemonWarrior44 said:

@stconquest What do you think about these:
https://www.precio-calidad.com.ar/catalogo/fuentes/?orderby=price&min_price=799&max_price=2198&per_page=36
P.S: Prices are in ARS, and the filter is at the max that I can spend.

The Seasonic 520W S12ii should be enough.  If you want a little more power for whatever reason... let's see...

 

https://www.precio-calidad.com.ar/tienda/fuentes/fuente-seasonic-s12-ii-evo-620w-80-plus-modular/

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1 minute ago, stconquest said:

I understand what you mean, but he is not going to pull much more than 450W at max system load.  lol, I have two PCs, each running 750W PSUs... each probably not even pulling half that.  This is because I was never sure, so I overdid it.

The Seasonic 520W S12ii should be enough.  If you want a little more power for whatever reason... let's see...

 

https://www.precio-calidad.com.ar/tienda/fuentes/fuente-seasonic-s12-ii-evo-620w-80-plus-modular/

I agree. My system has an EVGA GS850 which is crazy overkill for what I have now (the fan pretty much never even turns on, lol), but 2 years ago I was running crossfire 290's so it was necessary at the time. 

 

Personal preference I guess. Even though the RX 480 is only a 150w GPU, I would still go for a 650w for CF 480's, just for the little added peace of mind and headroom in case I change things up later on and need the extra grunt. ;) 

My Systems:

Main - Work + Gaming:

Spoiler

Woodland Raven: Ryzen 2700X // AMD Wraith RGB // Asus Prime X570-P // G.Skill 2x 8GB 3600MHz DDR4 // Radeon RX Vega 56 // Crucial P1 NVMe 1TB M.2 SSD // Deepcool DQ650-M // chassis build in progress // Windows 10 // Thrustmaster TMX + G27 pedals & shifter

F@H Rig:

Spoiler

FX-8350 // Deepcool Neptwin // MSI 970 Gaming // AData 2x 4GB 1600 DDR3 // 2x Gigabyte RX-570 4G's // Samsung 840 120GB SSD // Cooler Master V650 // Windows 10

 

HTPC:

Spoiler

SNES PC (HTPC): i3-4150 @3.5 // Gigabyte GA-H87N-Wifi // G.Skill 2x 4GB DDR3 1600 // Asus Dual GTX 1050Ti 4GB OC // AData SP600 128GB SSD // Pico 160XT PSU // Custom SNES Enclosure // 55" LG LED 1080p TV  // Logitech wireless touchpad-keyboard // Windows 10 // Build Log

Laptops:

Spoiler

MY DAILY: Lenovo ThinkPad T410 // 14" 1440x900 // i5-540M 2.5GHz Dual-Core HT // Intel HD iGPU + Quadro NVS 3100M 512MB dGPU // 2x4GB DDR3L 1066 // Mushkin Triactor 480GB SSD // Windows 10

 

WIFE'S: Dell Latitude E5450 // 14" 1366x768 // i5-5300U 2.3GHz Dual-Core HT // Intel HD5500 // 2x4GB RAM DDR3L 1600 // 500GB 7200 HDD // Linux Mint 19.3 Cinnamon

 

EXPERIMENTAL: Pinebook // 11.6" 1080p // Manjaro KDE (ARM)

NAS:

Spoiler

Home NAS: Pentium G4400 @3.3 // Gigabyte GA-Z170-HD3 // 2x 4GB DDR4 2400 // Intel HD Graphics // Kingston A400 120GB SSD // 3x Seagate Barracuda 2TB 7200 HDDs in RAID-Z // Cooler Master Silent Pro M 1000w PSU // Antec Performance Plus 1080AMG // FreeNAS OS

 

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1 minute ago, stconquest said:

The Seasonic 520W S12ii should be enough.  If you want a little more power for whatever reason... let's see...

https://www.precio-calidad.com.ar/tienda/fuentes/fuente-seasonic-s12-ii-evo-620w-80-plus-modular/

Okay, that store is one of many, here's the biggest (if you want to see more):
http://computacion.mercadolibre.com.ar/fuente-de-alimentacion-80-plus_DisplayType_G_OrderId_PRICE_PriceRange_999-2199_has*pictures_yes
Again, it's already filtered at the max that I can spend (ARS2200). That M12 II Evo is a little bit above that price, but I'll consider the S12 II...

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2 minutes ago, MEC-777 said:

I agree. My system has an EVGA GS850 which is crazy overkill for what I have now (the fan pretty much never even turns on, lol), but 2 years ago I was running crossfire 290's so it was necessary at the time.

What do you have now in your system? Just curious...

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1 minute ago, DaemonWarrior44 said:

What do you have now in your system? Just curious...

He's got an 850W because he was running two R9 290s, each drawing well over 200W.

 

Here, a little extra just in case:  http://articulo.mercadolibre.com.ar/MLA-659086877-fuente-modular-seasonic-m12ii-620w-evo-ed-80-plus-bronze-_JM

 

If you want to take the chance with the 520W S12-ii, I think that will be fine as well.

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2 minutes ago, stconquest said:

He's got an 850W because he was running two R9 290s, each drawing well over 200W.

 

Here, a little extra just in case:  http://articulo.mercadolibre.com.ar/MLA-659086877-fuente-modular-seasonic-m12ii-620w-evo-ed-80-plus-bronze-_JM

 

If you want to take the chance with the 520W S12-ii, I think that will be fine as well.

So XT 600W vs. S12 II... S12 II wins? Is it more durable or something like that?
I don't know much about this, :S

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7 minutes ago, DaemonWarrior44 said:

So XT 600W vs. S12 II... S12 II wins? Is it more durable or something like that?
I don't know much about this, :S

The S12 has better components that are capable of running better than the XT when heat builds up.  Heat will cause cheap parts to degrade and eventually fail.  Cheap parts will also usually mean instability when the unit is being stressed.

 

I mean, you can take a chance with the XT.  It might be totally fine, I would not though.

 

I have an old PC with a 750 Ultra LSP.  It is not a high quality unit, but it has been running steadily for almost 7 years now.  My XFXPRO 750W PSU (Seasonic built) runs fine too (3.5 years).  :D

 

I actually bought a Corsair CXM 550W as a back up recently... just in case one of the PSUs fail.

 

@DaemonWarrior44  I should mention, MEC is right... the 520W S12-ii is cutting it pretty close.  The 12v rail used to power the GPU and CPU will provide 480W total, not 520W.  That is 40 amperes (amps) on that 12V rail.  40A x 12v = 480W

 

It should still work fine.

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Well imo, you should add twice the power consumption of both cards, then add some 200-300W for good headroom. Like for CF RX 480s / GTX 1060s you should do 650W, for CF GTX 1080s that's 750W, for CF 1080 Tis that's 850-950.

We have a NEW and GLORIOUSER-ER-ER PSU Tier List Now. (dammit @LukeSavenije stop coming up with new ones)

You can check out the old one that gave joy to so many across the land here

 

Computer having a hard time powering on? Troubleshoot it with this guide. (Currently looking for suggestions to update it into the context of <current year> and make it its own thread)

Computer Specs:

Spoiler

Mathresolvermajig: Intel Xeon E3 1240 (Sandy Bridge i7 equivalent)

Chillinmachine: Noctua NH-C14S
Framepainting-inator: EVGA GTX 1080 Ti SC2 Hybrid

Attachcorethingy: Gigabyte H61M-S2V-B3

Infoholdstick: Corsair 2x4GB DDR3 1333

Computerarmor: Silverstone RL06 "Lookalike"

Rememberdoogle: 1TB HDD + 120GB TR150 + 240 SSD Plus + 1TB MX500

AdditionalPylons: Phanteks AMP! 550W (based on Seasonic GX-550)

Letterpad: Rosewill Apollo 9100 (Cherry MX Red)

Buttonrodent: Razer Viper Mini + Huion H430P drawing Tablet

Auralnterface: Sennheiser HD 6xx

Liquidrectangles: LG 27UK850-W 4K HDR

 

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1 minute ago, Energycore said:

Well imo, you should add twice the power consumption of both cards, then add some 200-300W for good headroom. Like for CF RX 480s / GTX 1060s you should do 650W, for CF GTX 1080s that's 750W, for CF 1080 Tis that's 850-950.

That's an 800W PSU?  150Wx2x2 = 600W... then add 200W more?

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28 minutes ago, Energycore said:

Well imo, you should add twice the power consumption of both cards, then add some 200-300W for good headroom. Like for CF RX 480s / GTX 1060s you should do 650W, for CF GTX 1080s that's 750W, for CF 1080 Tis that's 850-950.

I think 200-300W headroom on a build that is starting with Crossfire doesn't make sense.

-----> Official Unofficial Favorite Keyswitch Type Survey <-----

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MY RIG "ALCATRAZ"

CPU i7-4770K OC @ 4.3GHz and pushing | COOLING Cryorig M9i (review| MOTHERBOARD ASUS Z87-PROGPU Gigabyte 1650 Super Windforce OC | RAM  16GB Crucial Ballistix Sport DDR3 1600 MHzSSD Samsung 860 Evo 500GB | HDD Toshiba 3TB 7200RPMPSU EVGA SuperNOVA 750WCASE  NZXT H230 | HEADPHONES  Sony WH-1000XM3  | KEYBOARD Corsair STRAFE - Cherry MX Brown | MOUSE  Logitech G602 MONITOR LG 34UM58-P 34" 2560x1080 Ultrawide

HOLA NIGHT THEMERS

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OTHER TECH I OWN:

2017 Audi Q7 | iPhone Xs Max | Apple Watch Series 3 42mm | 2018 MacBook Pro 15" [i7/560X/16GB/256GB] | Lenovo Flex 3 [i7-5500U, HD5500 (fastest on the forum), 8GB RAM, 256GB Samsung 840 Evo] | Xbox One & Nintendo Switch [Home Theater setup] | DJI Phantom 3 Standard | harmon/kardon CL | Apple AirPods 2 | Jaybird Freedom (two pairs) & X2 [long story, PM if you want to know why I have 3 pairs of Jaybirds]

 

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7 minutes ago, Shiv78 said:

I think 200-300W headroom on a build that is starting with Crossfire doesn't make sense.

What would you do instead?

We have a NEW and GLORIOUSER-ER-ER PSU Tier List Now. (dammit @LukeSavenije stop coming up with new ones)

You can check out the old one that gave joy to so many across the land here

 

Computer having a hard time powering on? Troubleshoot it with this guide. (Currently looking for suggestions to update it into the context of <current year> and make it its own thread)

Computer Specs:

Spoiler

Mathresolvermajig: Intel Xeon E3 1240 (Sandy Bridge i7 equivalent)

Chillinmachine: Noctua NH-C14S
Framepainting-inator: EVGA GTX 1080 Ti SC2 Hybrid

Attachcorethingy: Gigabyte H61M-S2V-B3

Infoholdstick: Corsair 2x4GB DDR3 1333

Computerarmor: Silverstone RL06 "Lookalike"

Rememberdoogle: 1TB HDD + 120GB TR150 + 240 SSD Plus + 1TB MX500

AdditionalPylons: Phanteks AMP! 550W (based on Seasonic GX-550)

Letterpad: Rosewill Apollo 9100 (Cherry MX Red)

Buttonrodent: Razer Viper Mini + Huion H430P drawing Tablet

Auralnterface: Sennheiser HD 6xx

Liquidrectangles: LG 27UK850-W 4K HDR

 

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14 hours ago, Energycore said:

What would you do instead?

100 to 120W headroom. For XFire i'd get 650W or max 750W

-----> Official Unofficial Favorite Keyswitch Type Survey <-----

 OWNER OF THE FASTEST INTEL GPU ON LTT UNIGINE SUPERPOSITION [lol]

MY RIG "ALCATRAZ"

CPU i7-4770K OC @ 4.3GHz and pushing | COOLING Cryorig M9i (review| MOTHERBOARD ASUS Z87-PROGPU Gigabyte 1650 Super Windforce OC | RAM  16GB Crucial Ballistix Sport DDR3 1600 MHzSSD Samsung 860 Evo 500GB | HDD Toshiba 3TB 7200RPMPSU EVGA SuperNOVA 750WCASE  NZXT H230 | HEADPHONES  Sony WH-1000XM3  | KEYBOARD Corsair STRAFE - Cherry MX Brown | MOUSE  Logitech G602 MONITOR LG 34UM58-P 34" 2560x1080 Ultrawide

HOLA NIGHT THEMERS

GET YOUR ASS ON NIGHT THEME

OTHER TECH I OWN:

2017 Audi Q7 | iPhone Xs Max | Apple Watch Series 3 42mm | 2018 MacBook Pro 15" [i7/560X/16GB/256GB] | Lenovo Flex 3 [i7-5500U, HD5500 (fastest on the forum), 8GB RAM, 256GB Samsung 840 Evo] | Xbox One & Nintendo Switch [Home Theater setup] | DJI Phantom 3 Standard | harmon/kardon CL | Apple AirPods 2 | Jaybird Freedom (two pairs) & X2 [long story, PM if you want to know why I have 3 pairs of Jaybirds]

 

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3 hours ago, Shiv78 said:

100 to 120W headroom. For XFire i'd get 650W or max 750W

Well 200-300W is there so the user doesn't have to worry about overclocking a 140W chip like a Broadwell-E which will easily go over 150W when OC, plus anything else. A savvy user can do less headroom while being aware of their system's power consumption, but a savvy user doesn't need a rule of thumb :D

We have a NEW and GLORIOUSER-ER-ER PSU Tier List Now. (dammit @LukeSavenije stop coming up with new ones)

You can check out the old one that gave joy to so many across the land here

 

Computer having a hard time powering on? Troubleshoot it with this guide. (Currently looking for suggestions to update it into the context of <current year> and make it its own thread)

Computer Specs:

Spoiler

Mathresolvermajig: Intel Xeon E3 1240 (Sandy Bridge i7 equivalent)

Chillinmachine: Noctua NH-C14S
Framepainting-inator: EVGA GTX 1080 Ti SC2 Hybrid

Attachcorethingy: Gigabyte H61M-S2V-B3

Infoholdstick: Corsair 2x4GB DDR3 1333

Computerarmor: Silverstone RL06 "Lookalike"

Rememberdoogle: 1TB HDD + 120GB TR150 + 240 SSD Plus + 1TB MX500

AdditionalPylons: Phanteks AMP! 550W (based on Seasonic GX-550)

Letterpad: Rosewill Apollo 9100 (Cherry MX Red)

Buttonrodent: Razer Viper Mini + Huion H430P drawing Tablet

Auralnterface: Sennheiser HD 6xx

Liquidrectangles: LG 27UK850-W 4K HDR

 

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On 3/24/2017 at 3:59 PM, DaemonWarrior44 said:

What do you have now in your system? Just curious...

It's in my sig, but right now I have a 4770K @ 4.3 and a 1070 @ 2000/9000.  

My Systems:

Main - Work + Gaming:

Spoiler

Woodland Raven: Ryzen 2700X // AMD Wraith RGB // Asus Prime X570-P // G.Skill 2x 8GB 3600MHz DDR4 // Radeon RX Vega 56 // Crucial P1 NVMe 1TB M.2 SSD // Deepcool DQ650-M // chassis build in progress // Windows 10 // Thrustmaster TMX + G27 pedals & shifter

F@H Rig:

Spoiler

FX-8350 // Deepcool Neptwin // MSI 970 Gaming // AData 2x 4GB 1600 DDR3 // 2x Gigabyte RX-570 4G's // Samsung 840 120GB SSD // Cooler Master V650 // Windows 10

 

HTPC:

Spoiler

SNES PC (HTPC): i3-4150 @3.5 // Gigabyte GA-H87N-Wifi // G.Skill 2x 4GB DDR3 1600 // Asus Dual GTX 1050Ti 4GB OC // AData SP600 128GB SSD // Pico 160XT PSU // Custom SNES Enclosure // 55" LG LED 1080p TV  // Logitech wireless touchpad-keyboard // Windows 10 // Build Log

Laptops:

Spoiler

MY DAILY: Lenovo ThinkPad T410 // 14" 1440x900 // i5-540M 2.5GHz Dual-Core HT // Intel HD iGPU + Quadro NVS 3100M 512MB dGPU // 2x4GB DDR3L 1066 // Mushkin Triactor 480GB SSD // Windows 10

 

WIFE'S: Dell Latitude E5450 // 14" 1366x768 // i5-5300U 2.3GHz Dual-Core HT // Intel HD5500 // 2x4GB RAM DDR3L 1600 // 500GB 7200 HDD // Linux Mint 19.3 Cinnamon

 

EXPERIMENTAL: Pinebook // 11.6" 1080p // Manjaro KDE (ARM)

NAS:

Spoiler

Home NAS: Pentium G4400 @3.3 // Gigabyte GA-Z170-HD3 // 2x 4GB DDR4 2400 // Intel HD Graphics // Kingston A400 120GB SSD // 3x Seagate Barracuda 2TB 7200 HDDs in RAID-Z // Cooler Master Silent Pro M 1000w PSU // Antec Performance Plus 1080AMG // FreeNAS OS

 

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