
MEG Z890 Unify-X
$367–$405
Z890 platform match
Cooler Master’s Cosmos C700M is a flagship E‑ATX full tower with 490mm GPU and 198mm cooler clearance, dual 420mm radiator support, and a rotatable GPU mount.
Released October 2, 2018, the Cosmos C700M is a modern flagship of Cooler Master’s long‑running COSMOS series, pairing a curved‑glass showcase with a highly reconfigurable frame and an included 400 mm GPU riser.Sourceprweb.com
Built to remove fit limits for statement builds, it targets water‑cooling and display‑focused rigs. It supports Mini‑ITX to E‑ATX (up to 12"×10.7"), GPUs up to 490 mm (320 mm with the 3.5" bracket), and 198 mm tower coolers; two flat brackets accept up to 420 mm radiators at the top or front (bottom to 240 mm). Front I/O includes USB‑C (Gen2), 4× USB‑A, headset+mic, and onboard PWM/ARGB controls. Aluminum bars/handles, 8 slots, a 5.25" bay, and optional conventional, chimney, or inverse layouts round out the feature set.Sourcecoolermaster.com
Compatible options ranked for this part's performance class.

$367–$405
Z890 platform match
$266–$294
Z790 platform match
$423–$467
X670E platform match
$522–$577
X670E platform match
$370–$409
X870E platform match
$256–$283
X870 platform match
$195–$216
B850 platform match
$155–$171
B850 platform match
$332–$367
B850 platform match
$114–$126
B760 platform match
$129–$143
B760 platform match
$133–$147
B760 platform matchCompatible options ranked for this part's performance class.

$142–$157
1000W capacity for headroom
$266–$294
1200W capacity for headroom
$142–$157
1000W capacity for headroom
$316–$349
1300W capacity for headroom
$190–$210
1600W capacity for headroom
$380–$420
1600W capacity for headroom
$142–$157
500W capacity for headroom
$116–$128
750W capacity for headroom
$47–$52
650W capacity for headroom
$84–$92
500W capacity for headroom
$52–$58
750W capacity for headroom
$124–$137
450W capacity for headroom