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Compact silver desktop NAS with six 2.5 inch drive bays, two LAN ports and two USB ports on the front

Synology Inc.

Synology Inc. FS200T NAS J4125 4GB DDR4 6x 2.5" bays

SKU CH-47AD-K98RK MPN FS200T

Compact desktop NAS with six 2.5-inch drive bays, an Intel Celeron J4125 quad-core processor, 4 GB DDR4 memory, dual LAN ports including 2.5 GbE, and two USB 3.2 Gen 1 ports

  • Port RJ-451x RJ-45 1GbE LAN Port, 1x RJ-45 2.5GbE LAN Port
  • Port USB2x USB 3.2 Gen 1
  • HDD Interface2.5" bays, 6 bays
  • ProcessorIntel Celeron J4125, Quad-Core, 2 GHz
  • Installed Memory4 GB DDR4
  • Max Memory Capacity8 GB
  • Quad-core Intel Celeron J4125 handles multi-user workloads
  • 5GbE and 1GbE ports deliver fast wired connectivity
  • Six 2.5-inch bays provide high-density storage capacity
  • 4 GB DDR4 memory included, expandable to 8 GB
  • Compact 151 x 175 x 121 mm design fits tight spaces

Compact six-bay NAS for small teams

The TerraMaster FS200T is a desktop network-attached storage device built around an Intel Celeron J4125 quad-core processor running at 2 GHz with 4 GB of DDR4 memory installed. It provides six 2.5-inch drive bays for SSD or HDD arrays and includes both a 1 GbE and a 2.5 GbE RJ-45 port for flexible network connectivity. Two USB 3.2 Gen 1 ports allow direct attachment of external storage or backup targets. This unit suits small offices or creative workgroups needing centralised file services in a quiet, space-efficient enclosure.

Thermals and power in daily operation

The system draws up to 65 W from a 100 V to 240 V AC supply at 50 or 60 Hz, reflecting the low thermal design power of the J4125 platform. Passive and low-speed active cooling keeps acoustic output minimal during typical file-serving, backup and light virtualisation workloads. Power consumption scales with drive count and activity, but the 65 W ceiling remains modest compared with larger rackmount alternatives. The compact 151 mm by 175 mm by 121 mm footprint allows placement on a shelf or desk without demanding dedicated ventilation space.

Expandability through memory and USB

Two SODIMM slots support up to 8 GB of DDR4, enabling a straightforward upgrade from the factory 4 GB for heavier multitasking or container workloads. The dual USB 3.2 Gen 1 ports add hot-plug expansion for flash drives, external RAID enclosures or UPS signalling without consuming drive bays. The 2.5 GbE port lifts LAN throughput above the traditional gigabit bottleneck when paired with compatible switches or clients. Buyers who need 3.5-inch drive support, additional Ethernet ports or PCIe expansion should consider larger chassis models.

Highlights

  • Quad-core Intel Celeron J4125 handles multi-user workloads
  • 5GbE and 1GbE ports deliver fast wired connectivity
  • Six 2.5-inch bays provide high-density storage capacity
  • 4 GB DDR4 memory included, expandable to 8 GB
  • Compact 151 x 175 x 121 mm design fits tight spaces

Specifications

BrandTerraMaster
ModelFS200T
Port RJ-451x RJ-45 1GbE LAN Port, 1x RJ-45 2.5GbE LAN Port
Port USB2x USB 3.2 Gen 1
HDD Interface2.5" bays, 6 bays
ProcessorIntel Celeron J4125, Quad-Core, 2 GHz
Installed Memory4 GB DDR4
Max Memory Capacity8 GB
Memory Slot2
Power65 W, 100V-240V AC, 50/60 Hz
Dimensions151 x 175 x 121 mm (W x D x H)
Shipping weight2.18 kg
Package size226 × 203 × 185 mm

Questions about this item

How do I install the 2.5" drives into the six bays, and what step is often missed?

Slide each 2.5" drive into a bay until the connector seats, then secure it with the supplied screws; the step often missed is tightening those screws so the drive cannot shift during operation.

What maintenance or replacement will the FS200T need later?

The 4 GB DDR4 memory can be expanded to 8 GB using the second slot, and the 65 W power supply may require replacement after extended continuous use.

Which limit appears first under sustained heavy workloads on the FS200T?

The single 2.5GbE LAN port caps sustained throughput at 2.5 Gbps, so network bandwidth becomes the bottleneck before the J4125 processor or DDR4 memory.

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