While specific model definitions can vary by original equipment manufacturer (OEM) partners (such as Seagate, Dell, HPE, or Western Digital), high-capacity enterprise enclosures generally share standard architectural blueprints: Standard High-Density Specification 4U or 5U Rackmount Drive Capacity 84 to 102 Hot-swappable slots Drive Interface Dual-port 12Gb/s SAS or 24Gb/s SAS-4 Media Supported 3.5-inch LHDDs & 2.5-inch SSDs (with adapters) I/O Modules Dual redundant hot-plug ESMs External Link Ports 4x or 8x SFF-8644 ports per module Power Supply Redundant 80 Plus Platinum/Titanium modules Best Practices for Managing EBOD Storage Links