ioSafe 1515+ Diskless NAS Fireproof & Waterproof, Black (ND000-0) Fireproof - Protects data from loss up to 1550F for 1/2 hour per ASTM E119 Waterproof - Protects data from flood. Fully submersed, fresh or salt water, 10 foot depth, 72 hours. Redundant Drives (RAID) - protect from single HDD failure with mirrored drives. Quad-core CPU with hardware encryption engine Max Memory: 6 GB