QNAP TS-251+-2G
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E-Catalog UK editor, NAS Servers
Valerii Lenko, edited 09.02.2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog QNAP 2026 - new arrivals, bestsellers, and the most relevant models QNAP.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog QNAP 2026 - new arrivals, bestsellers, and the most relevant models QNAP.
We recommendCompare using chart →
without drive, connection: 3.5" 4, LAN: 2 ports, 1 Gbps, CPU: Realtek RTD1619B, 4 cores (4 threads), 1.7 GHz, mail server
without drive, connection: 3.5" 4, LAN: 1 port, 2.5 Gbps, CPU: RockChip RK3588C, 8 cores (8 threads), 2.4 GHz, HDMI, USB-C
without drive, connection: 3.5" 4, PCIe 2 pcs, LAN: 2 ports, 2.5 Gbps, CPU: AMD Ryzen Embedded V1500B, 4 cores (8 threads), 2.2 GHz, USB-C
rack, without drive, connection: 3.5" 4, PCIe 1 pcs, LAN: 2 ports, 2.5 Gbps, CPU: 4 cores (4 threads), 2 GHz, TurboBoost 2.9 GHz, mail server
rack, without drive, connection: 3.5" 4, M.2 2, LAN: 2 ports, 2.5 Gbps, CPU: Marvell OCTEON TX2 CN9130 / CN9131 (ARM), 4 cores (4 threads), 2.2 GHz, mail server, SFP+
rack, without drive, connection: 3.5" 12, PCIe 2 pcs, LAN: 4 ports, 1 Gbps, 10 Gbps, CPU: Intel Xeon D-1541, 8 cores (16 threads), 2.1 GHz, TurboBoost 2.7 GHz, mail server
rack, without drive, connection: 2.5" 12, PCIe 1 pcs, LAN: 4 ports, 1 Gbps, 10 Gbps, CPU: AMD Ryzen V1780B, 4 cores (8 threads), 3.35 GHz, TurboBoost 3.6 GHz, mail server
rack, without drive, connection: 3.5" 12, SAS, PCIe 1 pcs, LAN: 1 Gbps, CPU: Intel Xeon D-1521, 4 cores (8 threads), 2.4 GHz, TurboBoost 2.7 GHz, mail server
without drive, connection: 3.5" 1, LAN: 1 port, 1 Gbps, CPU: ARM Cortex-A55, 4 cores (4 threads), 1.8 GHz, mail server
without drive, connection: 3.5" 2, LAN: 1 port, 1 Gbps, CPU: ARM Cortex-A55, 4 cores (4 threads), 1.8 GHz
without drive, connection: 3.5" 2, M.2 2, LAN: 1 port, 2.5 Gbps, CPU: Intel N100, 4 cores (4 threads), TurboBoost 3.4 GHz, HDMI, USB-C
without drive, connection: 3.5" 4, M.2 2, LAN: 2 ports, 2.5 Gbps, 10 Gbps, CPU: Intel Pentium Gold 8505, 5 cores (6 threads), TurboBoost 4.4 GHz, HDMI, card reader, USB-C