Bad PSU day: 13 year old PC, retired, at HP and legacy status.
the A series desktops are very very old, and no support now.
the problem is there is not just one PSU now,
they evolved the PSU ATX sec as things changed. in time.
any watts over 400 is ok, unless gaming and power sucking new, GPU card is added.
point 2: ive no idea at what is inside that case now
upgrades, add-in PCI slot cards, ext.? how may HDD.
or what. its old things change,
so Ill pretend nothing changed, ok/ and tell you what it has
and what to buy, buy more watts , as the bigger watt PSU is higher priced and more quality, built in. a $15 PSU is junk class.
Q1: is the power jack 20 or 24 pins.?
Q2 does it have IDE drives or SATA.
Q3 do you really use that floppy? and its silly PSU power cable.?
more watts never will hurt you or it.
ever go here.? newegg, nice , choices on left.
https://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=100007657%20600013999%20600479293&IsNodeId=1&bop=And&Order=PRICE&PageSize=36
and see the left side under
TYPE.
that must match your needs,
- first I buy quality,(and brand names) never china nonames.
- then large fan
- then type,
- More watts gains you quality line 1 above. most times.
in that order. what matters to you , I could never guess
the large fan is quiet, if you like less noise,. bingo.
this?
Lucky you no relic IDE Drives, inside, more pain.
https://www.newegg.com/Product/Product.aspx?Item=9SIA9384673962