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Synology 4 Bay NVR Deep Learning Video Analytics DVA3221 (Diskless)
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Synology 4 Bay NVR Deep Learning Video Analytics DVA3221 (Diskless)
  • Form Factor: 4-Bay
  • Port RJ-45: 4 x 10/100/1000M
  • Port USB: 3 x USB3.0
  • Port eSATA: 2 x eSATA
  • Model #: DVA3221
Direct from Synology Inc. Direct from Synology Inc.
NVR TVI CVI CCTV DVR Surveillance Video Recorder USB WIFI Antenna Module
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  • $19.85 
  • Free Shipping
PSU For DVR NVR 75W 20Pin SATA*4 Switching Power Supply DPS-75VB A DPS-75VB B DPS-75VB C
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PSU For DVR NVR 20Pin SATA*8 150W Power Supply DPS-150AB-3 A DPS-150AB-3 B DPS-150AB-3A DPS-150AB-3B
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PSU For DVR NVR 75W 20Pin SATA*4 Switching Power Supply DPS-75VB A DPS-75VB B DPS-75VB C
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  •  
  • $257.00 
  • Free Shipping
PSU for DVR NVR 20Pin SATAx8 200W Switching Power Supply DPS-200PB-208 A DPS-200PB-176 G
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  • $308.99 
  • Free Shipping
for FSP270-50SNV 270W DVR/NVR DVR Dedicated Power Supply
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  • $203.99 
  • Free Shipping
OWC 32GB (2x16GB) RAM Compatible with Synology D4EC-2666-16G, D4EU01-16G | DDR4 2666MHz PC4-21300 ECC Unbuffered UDIMM 2Rx8 1.2V Memory Upgrade for NAS, RackStation, FlashStation, & NVR DVA
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OWC 32GB (2x16GB) RAM Compatible with Synology D4EC-2666-16G, D4EU01-16G | DDR4 2666MHz PC4-21300 ECC Unbuffered UDIMM 2Rx8 1.2V Memory Upgrade for NAS, RackStation, FlashStation, & NVR DVA
  • CAS Latency: CL19
  • Voltage: 1.2V
  • Multi-channel Kit: Dual Channel Kit
  • Recommend Use: Workstations, Servers, and NAS Systems
  • Model #: OWC2E6D42R8032P-ZAR-SF
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  • $258.68 
Available Direct from OWC Available Direct from OWC
OWC 32GB (2x16GB) RAM Compatible with Synology FlashStation FS2500 DDR4 2666MHz PC4-21300 ECC Unbuffered UDIMM 2Rx8 1.2V Memory Upgrade for NAS, RackStation, FlashStation, & NVR DVA
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OWC 32GB (2x16GB) RAM Compatible with Synology FlashStation FS2500 DDR4 2666MHz PC4-21300 ECC Unbuffered UDIMM 2Rx8 1.2V Memory Upgrade for NAS, RackStation, FlashStation, & NVR DVA
  • Voltage: 1.2V
  • Compatible System: Synology FlashstationFS2500
  • CAS Latency: CL19
  • Part Number: 2E6D42R8032P
  • Model #: OWC2E6D42R8032P-ZAS-SF
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  • $258.68 
Available Direct from OWC Available Direct from OWC
A-Tech 16GB RAM Replacement for Synology D4ECSO-2666-16G, D4ES01-16G | DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 Memory Upgrade for NAS DiskStation, RackStation, FlashStation, & NVR DVA
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  • $139.77 
Direct from A-Tech Direct from A-Tech