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2 Posts
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339
May 21st, 2024 20:37
Inspiron 3880 PSU 300w Upgrade
Inspiron 3880
My desktop is an Inspiron 3880. I need to upgrade my GPU to an ASUS GTX 1050ti, which requires a 300w PSU. The included PSU is 200w. I purchased a 300w PSU from Dell on referral from a Dell representative. However, this 300w PSU has different connectors.
Two questions:
Is there any way to use this 300w PSU with my desktop via adapters?
Can I use this ASUS GPU without upgrading the PSU?
Thanks in advance for help!
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RoHe
10 Elder
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45.2K Posts
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May 22nd, 2024 01:13
Read these threads, here and here.
PC may not boot with the existing PSU if it can't handle the load from the new GPU, and that extra load could cause damage.
And keep in mind that you may have to disable Secure Boot in BIOS setup, before installing any after-market GPU or PC may not boot. So make this change after you get the new PSU connected and everything is working properly with the existing GPU. Then swap in the new GPU...
redxps630
9 Legend
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14.6K Posts
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May 22nd, 2024 17:15
You could purchase a Dell oem 360w psu that has 6+4 pin c/w 3880. there are also 260w oem psu compatible too.
you could try test the 200w for the 1050ti but gpu may be underpowered. No harm is done doing the test. Worst case scenario pc would shut down.
psu calculator shows load wattage is 211w using nvme ssd only w 1050ti in 3880. so 200w is just a bit low.
DIMENSION 5150
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8 Posts
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September 7th, 2024 02:20
I recently came upon the same problem when helping to upgrade a relatives Dell Inspiron 3880, when I went to the power supply upgrade list the options were slim pickings a 200 watt and a 260 watt. So I clicked on the 200 watt power supply and went to compatibility list and after scrolling through the list and searching psu upgrades , I came across a 360 watt power supply for a OptiPlex 7060 Tower which happened to be compatible with the 200 watt power supply from the Inspiron 3880, Both machines use a 6 pin atx + 4 pin atx and the 360 watt comes with a bonus 6 pin gpu power connector.
DIMENSION 5150
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September 8th, 2024 13:48
Dell part R4T90 : Dell - 200W Power Supply
Compatibility
This product is compatible with the following systems:
Inspiron 3268 SFF
Inspiron 3470 SFF
Inspiron 3471 SFF
Inspiron 3472
Inspiron 3880 Desktop
OptiPlex 3060 Small Form Factor
OptiPlex 3060 Tower
OptiPlex 3070 Small Form Factor
OptiPlex 3070 Tower
OptiPlex 3080 Small Form Factor
OptiPlex 3080 Tower
OptiPlex 5060 Small Form Factor
OptiPlex 5060 Tower
OptiPlex 5070 Small Form Factor
OptiPlex 5070 Tower
OptiPlex 7060 Micro
Optiplex 7060 Small Form Factor
OptiPlex 7060 Tower
OptiPlex 7070 Small Form Factor
OptiPlex 7070 Tower
Precision Workstation 3430 SFF
Precision Workstation 3430 XL
Precision Workstation 3431 SFF
Vostro 3470 SFF
Vostro 3471 SFF
Vostro 3681 Small Form Factor
Vostro 3888 Tower
bradthetechnut
7 Technologist
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9.1K Posts
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September 9th, 2024 02:54
@DIMENSION 5150
No need to duplicate post. OP is looking for 300w PSU.
A list of PSU compatibilities is a good start for your own thread.
user_065e26
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4 Posts
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August 18th, 2025 15:12
How did you get this PSU?
TrevNethers
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2 Posts
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August 18th, 2025 17:34
@user_065e26 I ordered it directly from Dell through their customer service number. Actually, I returned it because it was incompatible with my system and I just used my original PSU with the new graphics card. I've been building Unreal Engine 5 prototypes without issue.