Network-attached storage (NAS) (Processor frequency )

QNAP (5051868108990 / TS-251B-4G/8TB-RED) - AC input voltage: 100 - 240 V - USB drive - Kensington - AC,LAN (RJ-45) - Tower - Active - Home & Home Office - HDD - DDR3L - SNMP - Dual - Intel® HD Graphics 500
QNAP (5051868092497 / TS-251B-2G/20TB-ULTRA) - AC input voltage: 100 - 240 V - USB drive - Kensington - AC,LAN (RJ-45) - Tower - Active - Home & Home Office - HDD - DDR3L - SNMP - Dual - Intel® HD Graphics 500
QNAP (5051868092503 / TS-251B-4G/20TB-ULTRA) - 3.5 mm out - Access Control List ACL - Backup function - Bad block scan - Built-in FTP server - Built-in iTunes server - Built-in speakers - Buzzer - Cable lock slot

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