Brand
AerocoolAerocool 2
DarkflashDarkflash 2
DeepcoolDeepcool 3
FSPFSP 4
GamdiasGamdias 1
GameMaxGameMax 1
SilverStoneSilverStone 2
Super FlowerSuper Flower 2- AsusAsus 1
BoostBoost 1
CorsairCorsair 2
CougarCougar 2
EaseEase 6
GigabyteGigabyte 5
Lian LiLian Li 1
RedragonRedragon 2
ThermaltakeThermaltake 1
ThunderThunder 1
XPGXPG 2
Frequently Asked Questions
Is a 550W PSU enough for a gaming PC?
For a build with one mainstream graphics card and a standard processor, a 550W unit covers the load. If you plan to move to a higher draw card later, choose a rating above this bracket instead, because 550W is the ceiling for everything in this category.
Which brands of 550W power supply do you stock?
This category carries Corsair, Cougar, ASUS, FSP and Gigabyte. Corsair lists more than one 550 Watt ATX model, and FSP offers a gaming chassis that comes with a 550W power supply and four RGB fans fitted.
Can I buy a 550W PSU outside Karachi?
Yes. The showroom is in Karachi, but orders go out to the whole of Pakistan. You can pay cash on delivery or use online payment, whichever suits you.
Power supply units rated to 550W from Corsair, Cougar, ASUS, FSP and Gigabyte, sold as standalone ATX units or bundled inside a gaming chassis.
Up to 550W PSU
The up to 550W PSU bracket covers desktop builds running one graphics card and a mainstream processor, which is where most home and office towers in Pakistan sit. Buyers here fall into two groups: people replacing a failed unit in a working machine, and people specifying the power supply for a first build. Both need the same thing, a 550W rail that holds steady under load without forcing a case swap.
Five brands carry this shelf. Corsair fields more than one 550 Watt ATX unit in the range, Cougar and ASUS both list 550W models, and Gigabyte adds a 550 Watt option of its own. FSP takes a different route with a gaming chassis that ships with a 550W power supply and four RGB fans already fitted, so the case, the airflow and the PSU arrive as one purchase. Pricing spans entry level through to premium, and the gap between the two ends is real rather than cosmetic.
Three decisions shape the choice.
- First, headroom: 550W is the working ceiling for this whole category, so confirm the draw of your graphics card and processor together before you commit, because a 550W unit at full stretch has nothing left for a later GPU upgrade.
- Second, standalone unit or bundle: a bare ATX supply drops into the case you already own, while the FSP chassis route replaces the case and the fans at the same time and suits anyone starting from nothing.
- Third, whether RGB matters to you, since lighting in this bracket comes from the bundled chassis fans rather than the power supply itself.
Who it suits
A working desktop that shuts down under load, or refuses to post after a storm, needs a straight 550W replacement in the same ATX shape, and any of the standalone units here do that job. Someone assembling a gaming PC from parts and still short a case gets more for the money from the FSP chassis bundle. Buyers putting together a small office fleet tend to sit at the entry level end, where the 550W rating still leaves margin over what an office machine draws. If your build targets a high draw graphics card, look above this bracket rather than stretching a 550W unit.
Mega Computer keeps a showroom in Karachi where you can inspect a power supply and its cabling before you pay. Orders ship nationwide across Pakistan, with cash on delivery and online payment both accepted. Check the warranty terms on the specific unit at the time of purchase, since coverage differs from one brand to the next, and keep the box and the invoice, as both matter if you need to claim.