Qnap TS-253D-4G 2 bay Intel® Celeron® J4125 quad-core 2.0 GHz 4 GB SO-DIMM DDR4 2×3.5-inch SATA 2xGigabit LAN 1xPCIe 3xUSB 2.0 Hot-swappable Tower

M.2 SATA SSD

• Western Digital Wd Red SA500 2TB M.2 SATA NAS SSD 24/7 560MB/s 530MB/s R/W 95K/85K IOPS 1300TBW 2M hrs MTBF 5yrs wty LS + $487  
• Western Digital Wd Red SA500 1TB M.2 SATA NAS SSD 24/7 560MB/s 530MB/s R/W 95K/85K IOPS 600TBW 2M hrs MTBF 5yrs wty + $267  

2.5' SATA SSD

• Western Digital Wd Red SA500 4TB 2.5′ SATA NAS SSD 24/7 560MB/s 530MB/s R/W 95K/82K IOPS 2500TBW 2M hrs MTBF 5yrs wty + $998  
• Western Digital Wd Red SA500 2TB 2.5′ SATA NAS SSD 24/7 560MB/s 530MB/s R/W 95K/85K IOPS 1300TBW 2M hrs MTBF 5yrs wty + $548  
• Western Digital Wd Red SA500 1TB 2.5′ SATA NAS SSD 24/7 560MB/s 530MB/s R/W 95K/85K IOPS 600TBW 2M hrs MTBF 5yrs wty + $290  

3.5' SATA HDD (Desktops)

• Western Digital Wd Red Pro 8TB 3.5′ NAS HDD SATA3 7200RPM 256MB Cache 24×7 300TBW ~24-bays NASware 3.0 CMR Tech 5yrs wty + $421  
• Western Digital Wd Red Pro 4TB 3.5′ NAS HDD SATA3 7200RPM 256MB Cache 24×7 300TBW ~24-bays NASware 3.0 CMR Tech 5yrs wty + $267  
• Western Digital Wd Red Pro 12TB 3.5′ NAS HDD SATA3 7200RPM 256MB Cache 24×7 300TBW ~24-bays NASware 3.0 CMR Tech 5yrs wty + $682  
• Western Digital Wd Red Pro 10TB 3.5′ NAS HDD SATA3 7200RPM 256MB Cache 24×7 300TBW ~24-bays NASware 3.0 CMR Tech 5yrs wty ~WD100EFBX + $540  
• Western Digital Wd Red Pro 14TB 3.5′ NAS HDD SATA3 7200RPM 512MB Cache 24×7 300TBW ~24-bays NASware 3.0 CMR Tech 5yrs wty + $758  
• Western Digital Wd Red Pro 2TB 3.5′ NAS HDD SATA3 7200RPM 64MB Cache 24×7 300TBW ~24-bays NASware 3.0 CMR Tech 5yrs wty + $185  
• Western Digital Wd Red Pro 6TB 3.5′ NAS HDD SATA3 7200RPM 256MB Cache 24×7 300TBW ~24-bays NASware 3.0 CMR Tech 5yrs wty + $378