NAS enclosures / Comparison

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These packages exclude user-storage drives. Operating-system boot storage is not included data-drive capacity. Drives, network equipment and software compatibility need separate checks.

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Documented specifications and exact purchase packages
Compare the details	TerraMaster F4-425 — diskless 4 GB US package
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US purchase package	New F4-425 from TerraMaster's official store, single default variant with no separate part number listed; diskless four-bay unit with factory 4 GB DDR4 SODIMM; no drives or memory upgrade. Product & sources Includes the host unit, power cord, power adapter, one RJ-45 network cable, a quick installation guide, a limited-warranty note and screws. Storage drives are separate. Keep the F4-425 identity; exclude the F4-425 Plus, F4-425 Pro, F4-424 and two-bay F2-425. The store's shipping policy covers ground delivery within the continental United States; price, stock and checkout were not verified. Sources · 2026-10-21 TerraMaster: F4-425 4-Bay NAS: TerraMaster official store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.TerraMaster: F4-425 specification PDFChecked 2026-10-21. Read the original source and its check date before relying on this value.TerraMaster: TerraMaster store shipping policyChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.
Where to buy	Select: New F4-425 from TerraMaster's official store, single default variant with no separate part number listed; diskless four-bay unit with factory 4 GB DDR4 SODIMM; no drives or memory upgrade. View at TerraMaster — TerraMaster F4-425 — diskless 4 GB US package; opens in a new tab The link may open several packages. Check current price and availability with the seller. Opens in a new tab.
Main drive bays Bays for the main SATA storage drives, excluding separate M.2 slots. Check supported drive form factors and capacity limits for this exact model.	4 baysCompatible drive types are 3.5-inch SATA HDD, 2.5-inch SATA HDD and 2.5-inch SATA SSD. Sources · 2026-10-21 TerraMaster: F4-425 4-Bay NAS: TerraMaster official store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.TerraMaster: F4-425 specification PDFChecked 2026-10-21. Read the original source and its check date before relying on this value.
Included data drives User-storage drives supplied in this purchase package. These diskless packages require separately purchased compatible drives.	0 drivesThe package contents list no drives; compatible storage drives are purchased separately. Source · 2026-10-21 TerraMaster: F4-425 specification PDFChecked 2026-10-21. Read the original source and its check date before relying on this value.
Supplied RAM Installed system memory in the exact listed package. A shared model name can cover different factory memory configurations.	4 GBOne pre-installed 4 GB DDR4 non-ECC SODIMM. TerraMaster says it may substitute modules of the same or higher frequency. Sources · 2026-10-21 TerraMaster: F4-425 4-Bay NAS: TerraMaster official store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.TerraMaster: F4-425 specification PDFChecked 2026-10-21. Read the original source and its check date before relying on this value.
Official maximum RAM The maximum memory stated by the manufacturer for the reviewed revision. This does not endorse unofficial upgrades or establish application performance.	16 GBDDR4 non-ECC SODIMM. With one memory slot, reaching this maximum means replacing the factory module; no qualified module is named in the reviewed sources. Sources · 2026-10-21 TerraMaster: F4-425 4-Bay NAS: TerraMaster official store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.TerraMaster: F4-425 specification PDFChecked 2026-10-21. Read the original source and its check date before relying on this value.
Memory can be upgraded Whether the reviewed hardware revision has a documented memory upgrade path. Check socket layout, supported modules and any revision changes.	YesOne DDR4 SODIMM slot with a documented 16 GB maximum above the factory 4 GB. Sources · 2026-10-21 TerraMaster: F4-425 4-Bay NAS: TerraMaster official store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.TerraMaster: F4-425 specification PDFChecked 2026-10-21. Read the original source and its check date before relying on this value.
Fastest Ethernet port Highest nominal speed of one supplied Ethernet port. Do not add port speeds together or treat this as measured throughput.	2.5 Gb/sNominal speed of the single supplied port. TerraMaster's up-to-280 MB/s figure is its own claim, not a measured result here. Sources · 2026-10-21 TerraMaster: F4-425 4-Bay NAS: TerraMaster official store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.TerraMaster: F4-425 specification PDFChecked 2026-10-21. Read the original source and its check date before relying on this value.
Supplied Ethernet ports Number and nominal speed of the included Ethernet ports. Check your network and the software conditions for link aggregation or failover.	1 × 2.5GbE Sources · 2026-10-21 TerraMaster: F4-425 4-Bay NAS: TerraMaster official store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.TerraMaster: F4-425 specification PDFChecked 2026-10-21. Read the original source and its check date before relying on this value.
M.2 slots Built-in M.2 storage slots where documented. Slot presence does not guarantee every drive or storage-pool use; check the compatibility list.	0 slotsTerraMaster's comparison table lists M.2 SSD Slot: None for F4-425, and its datasheet names no M.2 slot. Sources · 2026-10-21 TerraMaster: F4-425 Plus store page: four-model comparison tableChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.TerraMaster: F4-425 specification PDFChecked 2026-10-21. Read the original source and its check date before relying on this value.
Processor The processor identified for this hardware model. Processor identity alone does not predict application, transcoding or file-serving performance.	Intel Celeron N5095Quad core, 2.0 GHz with burst up to 2.9 GHz. The datasheet writes it as Intel N5095. Sources · 2026-10-21 TerraMaster: F4-425 4-Bay NAS: TerraMaster official store pageChecked 2026-10-21. We reviewed the official page text on the check date. Checkout options were not verified.TerraMaster: F4-425 specification PDFChecked 2026-10-21. Read the original source and its check date before relying on this value.
Questions to check before buying	The store lists F4-425 as a single default variant with no separate part number or barcode; confirm the model label and factory 4 GB module on delivery, since TerraMaster reserves the right to substitute memory of the same or higher frequency. The datasheet lists SSD cache support, but no M.2 slot is listed for F4-425 and its four bays list only SATA drive types. Check TerraMaster's compatibility list for the exact drives and the cache setup before choosing storage.

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