Just ordered a new RD400. Which M.2 slot?

Reinvented

Senior member
Oct 5, 2005
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HI guys,

Just ordered a new OCZ RD400 drive, and I'm really excited. I currently have an ASRock B250M Pro 4, and I'm unsure of which M.2 slot to install it in. I checked the manual, but I wasn't absolutely positive.

2.7 M.2_SSD (NGFF) Module Installation Guide The M.2, also known as the Next Generation Form Factor (NGFF), is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. The Ultra M.2 Socket (M2_1) supports type 2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s).
The Ultra M.2 Socket (M2_2) supports type 2230/2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32 Gb/s).
* Please be noted that if M2_1 is occupied by a SATA-type M.2 device, SATA3_0 will be disabled.
* If PCIE2 slot or PCI slot is occupied, the PCIe-type M.2 device on M2_1 socket will run at Gen3 x2 (16 Gb/s).


Would it be safe to run it in M2_2, away from the extra heat from GPU and still run at max speed? It won't disable of the other ports? And can be used as a boot drive?

Any help would be appreciated!