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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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where to source cheap used desktop PCs?
The Natural Philosopher wrote:
js.b1 wrote: Hmmm.... 15" TFT... 50W Old PC.... 65W = 0.115kW @ 10hrs / day @ 12p = £50.37 15" CRT... 65W Old PC... 65W = 0.130kW @ 10hrs / day @ 12p = £56.94 Thinkpad X60 T1300 = 0.012W @ 10hrs / day @ 12p = £5.26 Of course if the machine is only used 2hrs a day the comparison becomes void - just something to consider with cheap machines and cheap CRT (particularly larger CRT which can get quite power hungry). Indeed. Faced with the demise of my server I bit the bullet and went for an Intel ATOM based machine and a pair of 500gig drives.. At a shade over £200 it will pay for itself in 4 years on reduced electricity costs alone.. So my advice is to buy a new case, disks RAM and motherboard, and use whatever keyboards and screens you can find. I also found that for legacy windows Apps, a virtual machine on a faster modern computer is a better performing brute than a native but old power guzzling machine. And it keeps the clutter off the desktop. I've ended up with one of the HP micro servers, I reckon it'll pay for itself within a couple of years compared to the server it's replaced. |
#2
Posted to uk.d-i-y
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where to source cheap used desktop PCs?
On 21/08/2011 20:15, Simon Finnigan wrote:
The Natural wrote: js.b1 wrote: Hmmm.... 15" TFT... 50W Old PC.... 65W = 0.115kW @ 10hrs / day @ 12p = £50.37 15" CRT... 65W Old PC... 65W = 0.130kW @ 10hrs / day @ 12p = £56.94 Thinkpad X60 T1300 = 0.012W @ 10hrs / day @ 12p = £5.26 Of course if the machine is only used 2hrs a day the comparison becomes void - just something to consider with cheap machines and cheap CRT (particularly larger CRT which can get quite power hungry). Indeed. Faced with the demise of my server I bit the bullet and went for an Intel ATOM based machine and a pair of 500gig drives.. At a shade over £200 it will pay for itself in 4 years on reduced electricity costs alone.. So my advice is to buy a new case, disks RAM and motherboard, and use whatever keyboards and screens you can find. I also found that for legacy windows Apps, a virtual machine on a faster modern computer is a better performing brute than a native but old power guzzling machine. And it keeps the clutter off the desktop. I've ended up with one of the HP micro servers, I reckon it'll pay for itself within a couple of years compared to the server it's replaced. depends on how much you paid for it; and whether you're on a diesel powered genny |
#3
Posted to uk.d-i-y
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where to source cheap used desktop PCs?
OG wrote:
On 21/08/2011 20:15, Simon Finnigan wrote: The Natural wrote: js.b1 wrote: Hmmm.... 15" TFT... 50W Old PC.... 65W = 0.115kW @ 10hrs / day @ 12p = £50.37 15" CRT... 65W Old PC... 65W = 0.130kW @ 10hrs / day @ 12p = £56.94 Thinkpad X60 T1300 = 0.012W @ 10hrs / day @ 12p = £5.26 Of course if the machine is only used 2hrs a day the comparison becomes void - just something to consider with cheap machines and cheap CRT (particularly larger CRT which can get quite power hungry). Indeed. Faced with the demise of my server I bit the bullet and went for an Intel ATOM based machine and a pair of 500gig drives.. At a shade over £200 it will pay for itself in 4 years on reduced electricity costs alone.. So my advice is to buy a new case, disks RAM and motherboard, and use whatever keyboards and screens you can find. I also found that for legacy windows Apps, a virtual machine on a faster modern computer is a better performing brute than a native but old power guzzling machine. And it keeps the clutter off the desktop. I've ended up with one of the HP micro servers, I reckon it'll pay for itself within a couple of years compared to the server it's replaced. depends on how much you paid for it; and whether you're on a diesel powered genny About £125 in total for the hardware delivered, it runs on about 40-50 w with hard drives and CPU flat out. The processor on the server it replaced could burn through 80 W on it's own, never mind the rest of the hardware. It's on 24/7, saving about 50W I reckon. 50x24=1200W per day = 438,000 w per year. 438 KWh at 12p each is roughly £50 a year saving on electricity. Plus they're newer, smaller, much quieter etc, so all in all a good deal :-) |
#4
Posted to uk.d-i-y
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where to source cheap used desktop PCs?
On 22/08/2011 15:59, Simon Finnigan wrote:
wrote: On 21/08/2011 20:15, Simon Finnigan wrote: The Natural wrote: js.b1 wrote: Hmmm.... 15" TFT... 50W Old PC.... 65W = 0.115kW @ 10hrs / day @ 12p = £50.37 15" CRT... 65W Old PC... 65W = 0.130kW @ 10hrs / day @ 12p = £56.94 Thinkpad X60 T1300 = 0.012W @ 10hrs / day @ 12p = £5.26 Of course if the machine is only used 2hrs a day the comparison becomes void - just something to consider with cheap machines and cheap CRT (particularly larger CRT which can get quite power hungry). Indeed. Faced with the demise of my server I bit the bullet and went for an Intel ATOM based machine and a pair of 500gig drives.. At a shade over £200 it will pay for itself in 4 years on reduced electricity costs alone.. So my advice is to buy a new case, disks RAM and motherboard, and use whatever keyboards and screens you can find. I also found that for legacy windows Apps, a virtual machine on a faster modern computer is a better performing brute than a native but old power guzzling machine. And it keeps the clutter off the desktop. I've ended up with one of the HP micro servers, I reckon it'll pay for itself within a couple of years compared to the server it's replaced. depends on how much you paid for it; and whether you're on a diesel powered genny About £125 in total for the hardware delivered, it runs on about 40-50 w with hard drives and CPU flat out. The processor on the server it replaced could burn through 80 W on it's own, never mind the rest of the hardware. It's on 24/7, saving about 50W I reckon. 50x24=1200W per day = 438,000 w per year. 438 KWh at 12p each is roughly £50 a year saving on electricity. Plus they're newer, smaller, much quieter etc, so all in all a good deal :-) Has anyone tried one of these? Consume 6-8W when running and less than a Watt on standby. I keep trying to find an application for one. |
#5
Posted to uk.d-i-y
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where to source cheap used desktop PCs?
Andrew May wrote:
On 22/08/2011 15:59, Simon Finnigan wrote: wrote: On 21/08/2011 20:15, Simon Finnigan wrote: The Natural wrote: js.b1 wrote: Hmmm.... 15" TFT... 50W Old PC.... 65W = 0.115kW @ 10hrs / day @ 12p = £50.37 15" CRT... 65W Old PC... 65W = 0.130kW @ 10hrs / day @ 12p = £56.94 Thinkpad X60 T1300 = 0.012W @ 10hrs / day @ 12p = £5.26 Of course if the machine is only used 2hrs a day the comparison becomes void - just something to consider with cheap machines and cheap CRT (particularly larger CRT which can get quite power hungry). Indeed. Faced with the demise of my server I bit the bullet and went for an Intel ATOM based machine and a pair of 500gig drives.. At a shade over £200 it will pay for itself in 4 years on reduced electricity costs alone.. So my advice is to buy a new case, disks RAM and motherboard, and use whatever keyboards and screens you can find. I also found that for legacy windows Apps, a virtual machine on a faster modern computer is a better performing brute than a native but old power guzzling machine. And it keeps the clutter off the desktop. I've ended up with one of the HP micro servers, I reckon it'll pay for itself within a couple of years compared to the server it's replaced. depends on how much you paid for it; and whether you're on a diesel powered genny About £125 in total for the hardware delivered, it runs on about 40-50 w with hard drives and CPU flat out. The processor on the server it replaced could burn through 80 W on it's own, never mind the rest of the hardware. It's on 24/7, saving about 50W I reckon. 50x24=1200W per day = 438,000 w per year. 438 KWh at 12p each is roughly £50 a year saving on electricity. Plus they're newer, smaller, much quieter etc, so all in all a good deal :-) Has anyone tried one of these? Consume 6-8W when running and less than a Watt on standby. I keep trying to find an application for one. The micro server? It's up to transcoding HD video for my xbox anyway :-) |
#6
Posted to uk.d-i-y
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where to source cheap used desktop PCs?
On 22/08/11 16:07, Andrew May wrote:
On 22/08/2011 15:59, Simon Finnigan wrote: wrote: On 21/08/2011 20:15, Simon Finnigan wrote: The Natural wrote: I've ended up with one of the HP micro servers, I reckon it'll pay for itself within a couple of years compared to the server it's replaced. depends on how much you paid for it; and whether you're on a diesel powered genny About £125 in total for the hardware delivered, it runs on about 40-50 w with hard drives and CPU flat out. The processor on the server it replaced could burn through 80 W on it's own, never mind the rest of the hardware. It's on 24/7, saving about 50W I reckon. 50x24=1200W per day = 438,000 w per year. 438 KWh at 12p each is roughly £50 a year saving on electricity. Plus they're newer, smaller, much quieter etc, so all in all a good deal :-) Has anyone tried one of these? Consume 6-8W when running and less than a Watt on standby. I keep trying to find an application for one. I have a HP Microserver with 4x2TB HD (and the original 250GB drive reinstalled to the CD slot) and the max 8GB RAM. It was intended as a file server and to to process some large datasets in no great hurry. Then I decided to put a Radeon half-height 5450 video card in it. So it is now doing double duty as my main desktop. It still only consumes around 50W flat out. [for desktop duty add another 70W for the two 1600x1200 LCDs)] -- djc |
#7
Posted to uk.d-i-y
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where to source cheap used desktop PCs?
djc wrote:
On 22/08/11 16:07, Andrew May wrote: On 22/08/2011 15:59, Simon Finnigan wrote: wrote: On 21/08/2011 20:15, Simon Finnigan wrote: The Natural wrote: I've ended up with one of the HP micro servers, I reckon it'll pay for itself within a couple of years compared to the server it's replaced. depends on how much you paid for it; and whether you're on a diesel powered genny About £125 in total for the hardware delivered, it runs on about 40-50 w with hard drives and CPU flat out. The processor on the server it replaced could burn through 80 W on it's own, never mind the rest of the hardware. It's on 24/7, saving about 50W I reckon. 50x24=1200W per day = 438,000 w per year. 438 KWh at 12p each is roughly £50 a year saving on electricity. Plus they're newer, smaller, much quieter etc, so all in all a good deal :-) Has anyone tried one of these? Consume 6-8W when running and less than a Watt on standby. I keep trying to find an application for one. I have a HP Microserver with 4x2TB HD (and the original 250GB drive reinstalled to the CD slot) and the max 8GB RAM. It was intended as a file server and to to process some large datasets in no great hurry. Then I decided to put a Radeon half-height 5450 video card in it. So it is now doing double duty as my main desktop. It still only consumes around 50W flat out. [for desktop duty add another 70W for the two 1600x1200 LCDs)] I can't believe how good they are. Well built, quiet, powerful enough for anything I throw at it and dirt cheap. |
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