Seasonic PRIME 650 Titanium Power Supply

REVIEW INFORMATION
SUPPLIED BY: Seasonic USA
MANUFACTURER: Seasonic
PRODUCT: PRIME 650 Titanium
PROD LINK: PRIME Titanium Product Page
PRICE: $159.99 MSRP
Price is at time of testing!

It’s a PRIME model. Of course, it looks good.

Once again, we still have those speed slots on the side to help the unit go faster. Or… assist with case cooling. It’s one of those two things.

As was the case with both other models, the semi-fanless mode switch is on the exhaust grille, where it’s easy to push. Don’t forget to remove the clear plastic film over the Seasonic badge, if you want yours all nice and shiny like mine.

I’m really going to miss shooting these things until Seasonic sends me some more sexy PRIME goodness. 1kW model, maybe? Fanless model, perhaps?

The back panel is a mite different on this unit than big brothers, with fewer connectors. But it’s a 650W model, so it doesn’t need too many. My main concern is whether or not they did the cables right on this one… Seasonic uses 18 gauge wire to keep them flexible, and I’m not sure that’s a good idea with the daisy-chained PCI-e cables I think this unit comes with.

See, there are only four connectors for CPU and PCI-e cables… if this unit has two CPU cables, we’re light on connectors for the single PCI-e cables the other PRIME units came with. We’ll find out in a minute.

Here’s your fannage – nothing we haven’t seen before on the other models.

PRIME 650 Titanium – DC Output
DC Output +3.3V +5V +12V -12V +5VSB
20A 20A 54A 0.3A 3A
Max Power @ 50°C 100W 648W 3.6W 15W
650W

And once again, we are good to fifty degrees. Nice. I’m going to try for that full number again in the hot box if I can. 650W might be too light for that.

The main ATX cable looks just like I want it to. No in cable capacitors, no bundles of ribbons. Keep this up, Seasonic.

Two Molex chains come with the unit, in different lengths and connector counts. Want a Berg? Use the adapter.

Oh. No, Seasonic, this will not do it for me. You’re using two four conductor 18 gauge ribbons on these, and they look awful. This is why I started scoring ribbon style ATX cables. The only major benefit of the ribbons is that they only work well and look good as one ribbon. This will be scored against in functionality, Seasonic… sorry.

By contrast, Corsair went with a single eight conductor 18 gauge ribbon approach on the RM850. That’s just a better way to do it.

And the CPU cables continue this not so helpful trend. And it makes no sense here because the two larger units used single ribbons on these. Why can’t we have them here, too? I don’t get it.

Fortunately, the SATA cables have not lost their minds too. There should be enough connectors here for a 650W model.

PRIME 650 Titanium – Cabling
Type of Cable Length from PSU
Modular Cables
20+4 pin ATX connector 600 mm
4+4 pin EPS/ATX12V 650 mm
4+4 pin EPS/ATX12V 650 mm
6+2 pin PCI-e, 6+2 pin PCI-e 680+80 mm
6+2 pin PCI-e, 6+2 pin PCI-e 680+80 mm
5.25″ to 3.5″ adapter 100 mm
5.25″+5.25″ 350+125 mm
5.25″+5.25″+5.25″ 450+125+125 mm
SATA+SATA 360+115 mm
SATA+SATA+SATA+SATA 460+115+115+115 mm
Unit Dimensions (L x W x H)
170 mm x 150 mm x 86 mm

No issues here… let’s get on with the load testing.