BlackVault HSM.TAC by Engage Black is a tactically deployable FIPS 140-2 Level 3 Hardware Security Module. It features networked and offline operation with Ethernet and USB ports, remote management capabilities, extended temperature range, smart card retention lock, tamper-reactive silicon die shield, embeddable form factor, and fully redundant capabilities. BlackVault HSM.TAC has dimensions of 4"(L) x 6"(W) x 1"(H) and is designed for secure cryptographic key storage and operations.