
MEG Z890 Unify-X
$475–$525
Z890 platform match
Be quiet! Straight Power 12 850W: Platinum, ATX 3.0, modular PSU with native 12VHPWR—launched June 2023 for quiet, efficient high-end GPU builds.
Released in June 2023, the Straight Power 12 850W is part of be quiet!’s Straight Power 12 family built to the ATX 3.0 spec. It targets the enthusiast tier with 80+ Platinum efficiency and modular cabling—meant for builders who want quiet, efficient power for high-end GPUs without moving to 1000W+ units.
With 850W on a single 12V rail, ATX 3.0 transient handling, and modular cables, it’s a strong fit for high-end GPU builds, ATX 3.0 GPUs, and headroom/overclocking in standard ATX cases. The 850W model provides one native 600W 12VHPWR plus four 6+2‑pin PCIe connectors and carries a 10‑year warranty. Not discontinued. Unique: ATX 3.0 design with native 12VHPWR support.
Compatible options ranked for this part's performance class.

$475–$525
Z890 platform match
$522–$577
X670E platform match
$285–$315
X870 platform match
$275–$303
Z890 platform match
$199–$220
Z790 platform match
$190–$210
Z790 platform match
$193–$214
B850 platform match
$180–$199
B850 platform match
$114–$126
B760 platform match
$117–$129
B760 platform match
$133–$147
B760 platform match
$161–$178
B760 platform matchCompatible options ranked for this part's performance class.

$256–$283
ATX motherboard fit
$237–$262
ATX, mATX, Mini-ITX motherboard fit
$265–$293
ATX motherboard fit
$199–$220
ATX motherboard fit
$950–$1,050
ATX motherboard fit
$212–$234
ATX motherboard fit
$85–$94
mATX motherboard fit
$171–$189
mATX motherboard fit
$142–$157
ATX motherboard fit
$114–$126
ATX motherboard fit
$296–$327
ATX motherboard fit
$95–$105
ATX, mATX, Mini-ITX motherboard fit