The ToughArmor MB699V5P-B integrates up to four enterprise U.2/U.3 NVMe SSDs, with heights from 7mm to 15mm, into a single external 5.25" optical drive bay. It supports PCIe 5.0, delivering transfer speeds up to 128Gbps per SSD through dual MCIO 8i (SFF-TA-1016) connectors. The enclosure features a dual-PCB horizontal layout for enhanced airflow and two 40x40x10mm cooling fans. Its lightweight all-aluminum housing ensures stable thermal management. Each removable EZ-Slide Mini tray includes EMI grounding for drive protection.